CINXE.COM
Google Online Security Blog: April 2019
<!DOCTYPE html> <html class='v2 list-page' dir='ltr' itemscope='' itemtype='http://schema.org/Blog' lang='en' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'> <head> <link href='https://www.blogger.com/static/v1/widgets/3566091532-css_bundle_v2.css' rel='stylesheet' type='text/css'/> <title> Google Online Security Blog: April 2019 </title> <meta content='JPvErrROkJmNEh4Lr_QT6CD77GdfQr6cLFw6gIXg6kc' name='google-site-verification'/> <meta content='width=device-width, height=device-height, minimum-scale=1.0, initial-scale=1.0, user-scalable=0' name='viewport'/> <meta content='IE=Edge' http-equiv='X-UA-Compatible'/> <meta content='Google Online Security Blog' property='og:title'/> <meta content='en_US' property='og:locale'/> <meta content='https://security.googleblog.com/2019/04/' property='og:url'/> <meta content='Google Online Security Blog' property='og:site_name'/> <!-- Twitter Card properties --> <meta content='Google Online Security Blog' property='og:title'/> <meta content='summary' name='twitter:card'/> <meta content='@google' name='twitter:creator'/> <link href='https://fonts.googleapis.com/css?family=Roboto:400italic,400,500,500italic,700,700italic' rel='stylesheet' type='text/css'/> <link href='https://fonts.googleapis.com/icon?family=Material+Icons' rel='stylesheet'/> <script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js' type='text/javascript'></script> <!-- End --> <style id='page-skin-1' type='text/css'><!-- /* <Group description="Header Color" selector="header"> <Variable name="header.background.color" description="Header Background" type="color" default="#ffffff"/> </Group> */ .header-outer { border-bottom: 1px solid #e0e0e0; background: #ffffff; } html, .Label h2, #sidebar .rss a, .BlogArchive h2, .FollowByEmail h2.title, .widget .post h2 { font-family: Roboto, sans-serif; } .plusfollowers h2.title, .post h2.title, .widget h2.title { font-family: Roboto, sans-serif; } .widget-item-control { height: 100%; } .widget.Header, #header { position: relative; height: 100%; width: 100%; } } .widget.Header .header-logo1 { float: left; margin-right: 15px; padding-right: 15px; border-right: 1px solid #ddd; } .header-title h2 { color: rgba(0,0,0,.54); display: inline-block; font-size: 40px; font-family: Roboto, sans-serif; font-weight: normal; line-height: 52px; vertical-align: top; } .header-inner { background-repeat: no-repeat; background-position: right 0px; } .post-author, .byline-author { font-size: 14px; font-weight: normal; color: #757575; color: rgba(0,0,0,.54); } .post-content .img-border { border: 1px solid rgb(235, 235, 235); padding: 4px; } .header-title a { text-decoration: none !important; } pre { border: 1px solid #bbbbbb; margin-top: 1em 0 0 0; padding: 0.99em; overflow-x: auto; overflow-y: auto; } pre, code { font-size: 9pt; background-color: #fafafa; line-height: 125%; font-family: monospace; } pre, code { color: #060; font: 13px/1.54 "courier new",courier,monospace; } .header-left .header-logo1 { width: 128px !important; } .header-desc { line-height: 20px; margin-top: 8px; } .fb-custom img, .twitter-custom img, .gplus-share img { cursor: pointer; opacity: 0.54; } .fb-custom img:hover, .twitter-custom img:hover, .gplus-share img:hover { opacity: 0.87; } .fb-like { width: 80px; } .post .share { float: right; } #twitter-share{ border: #CCC solid 1px; border-radius: 3px; background-image: -webkit-linear-gradient(top,#ffffff,#dedede); } .twitter-follow { background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzwq6wJ3u5K0MMYeWnx0AU03sYtGpFjNwKFUaQZBmEMv30yakbc2IPrWwifAH24rgztnZb9PxMbEOtABaf_viqKnZ_xTZxJCPc1W2GQGIkl4riZZg10bCTUMyHjOQz4_0Lg4l11kmyRa1I/s1600/twitter-bird.png) no-repeat left center; padding-left: 18px; font: normal normal normal 11px/18px 'Helvetica Neue',Arial,sans-serif; font-weight: bold; text-shadow: 0 1px 0 rgba(255,255,255,.5); cursor: pointer; margin-bottom: 10px; } .twitter-fb { padding-top: 2px; } .fb-follow-button { background: -webkit-linear-gradient(#4c69ba, #3b55a0); background: -moz-linear-gradient(#4c69ba, #3b55a0); background: linear-gradient(#4c69ba, #3b55a0); border-radius: 2px; height: 18px; padding: 4px 0 0 3px; width: 57px; border: #4c69ba solid 1px; } .fb-follow-button a { text-decoration: none !important; text-shadow: 0 -1px 0 #354c8c; text-align: center; white-space: nowrap; font-size: 11px; color: white; vertical-align: top; } .fb-follow-button a:visited { color: white; } .fb-follow { padding: 0px 5px 3px 0px; width: 14px; vertical-align: bottom; } .gplus-wrapper { margin-top: 3px; display: inline-block; vertical-align: top; } .twitter-custom, .gplus-share { margin-right: 12px; } .fb-follow-button{ margin: 10px auto; } /** CUSTOM CODE **/ --></style> <style id='template-skin-1' type='text/css'><!-- .header-outer { clear: both; } .header-inner { margin: auto; padding: 0px; } .footer-outer { background: #f5f5f5; clear: both; margin: 0; } .footer-inner { margin: auto; padding: 0px; } .footer-inner-2 { /* Account for right hand column elasticity. */ max-width: calc(100% - 248px); } .google-footer-outer { clear: both; } .cols-wrapper, .google-footer-outer, .footer-inner, .header-inner { max-width: 978px; margin-left: auto; margin-right: auto; } .cols-wrapper { margin: auto; clear: both; margin-top: 60px; margin-bottom: 60px; overflow: hidden; } .col-main-wrapper { float: left; width: 100%; } .col-main { margin-right: 278px; max-width: 660px; } .col-right { float: right; width: 248px; margin-left: -278px; } /* Tweaks for layout mode. */ body#layout .google-footer-outer { display: none; } body#layout .header-outer, body#layout .footer-outer { background: none; } body#layout .header-inner { height: initial; } body#layout .cols-wrapper { margin-top: initial; margin-bottom: initial; } --></style> <!-- start all head --> <meta content='text/html; charset=UTF-8' http-equiv='Content-Type'/> <meta content='blogger' name='generator'/> <link href='https://security.googleblog.com/favicon.ico' rel='icon' type='image/x-icon'/> <link href='https://security.googleblog.com/2019/04/' rel='canonical'/> <link rel="alternate" type="application/atom+xml" title="Google Online Security Blog - Atom" href="https://security.googleblog.com/feeds/posts/default" /> <link rel="alternate" type="application/rss+xml" title="Google Online Security Blog - RSS" href="https://security.googleblog.com/feeds/posts/default?alt=rss" /> <link rel="service.post" type="application/atom+xml" title="Google Online Security Blog - Atom" href="https://www.blogger.com/feeds/1176949257541686127/posts/default" /> <!--Can't find substitution for tag [blog.ieCssRetrofitLinks]--> <meta content='https://security.googleblog.com/2019/04/' property='og:url'/> <meta content='Google Online Security Blog' property='og:title'/> <meta content='The latest news and insights from Google on security and safety on the Internet' property='og:description'/> <!-- end all head --> <base target='_self'/> <style> html { font-family: Roboto, sans-serif; -moz-osx-font-smoothing: grayscale; -webkit-font-smoothing: antialiased; } body { padding: 0; /* This ensures that the scroll bar is always present, which is needed */ /* because content render happens after page load; otherwise the header */ /* would "bounce" in-between states. */ min-height: 150%; } h2 { font-size: 16px; } h1, h2, h3, h4, h5 { line-height: 2em; } html, h4, h5, h6 { font-size: 14px; } a, a:visited { color: #4184F3; text-decoration: none; } a:focus, a:hover, a:active { text-decoration: none; } .Header { margin-top: 15px; } .Header h1 { font-size: 32px; font-weight: 300; line-height: 32px; height: 42px; } .header-inner .Header .titlewrapper { padding: 0; margin-top: 30px; } .header-inner .Header .descriptionwrapper { padding: 0; margin: 0; } .cols-wrapper { margin-top: 56px; } .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 60px; } .header-inner { height: 256px; position: relative; } html, .header-inner a { color: #212121; color: rgba(0,0,0,.87); } .header-inner .google-logo { display: inline-block; background-size: contain; z-index: 1; height: 46px; overflow: hidden; margin-top: 4px; margin-right: 8px; } .header-left { position: absolute; top: 50%; -webkit-transform: translateY(-50%); transform: translateY(-50%); margin-top: 12px; width: 100%; } .google-logo { margin-left: -4px; } #google-footer { position: relative; font-size: 13px; list-style: none; text-align: right; } #google-footer a { color: #444; } #google-footer ul { margin: 0; padding: 0; height: 144px; line-height: 144px; } #google-footer ul li { display: inline; } #google-footer ul li:before { color: #999; content: "\00b7"; font-weight: bold; margin: 5px; } #google-footer ul li:first-child:before { content: ''; } #google-footer .google-logo-dark { left: 0; margin-top: -16px; position: absolute; top: 50%; } /** Sitemap links. **/ .footer-inner-2 { font-size: 14px; padding-top: 42px; padding-bottom: 74px; } .footer-inner-2 .HTML h2 { color: #212121; color: rgba(0,0,0,.87); font-size: 14px; font-weight: 500; padding-left: 0; margin: 10px 0; } .footer-inner-2 .HTML ul { font-weight: normal; list-style: none; padding-left: 0; } .footer-inner-2 .HTML li { line-height: 24px; padding: 0; } .footer-inner-2 li a { color: rgba(65,132,243,.87); } /** Archive widget. **/ .BlogArchive { font-size: 13px; font-weight: normal; } .BlogArchive .widget-content { display: none; } .BlogArchive h2, .Label h2 { color: #4184F3; text-decoration: none; } .BlogArchive .hierarchy li { display: inline-block; } /* Specificity needed here to override widget CSS defaults. */ .BlogArchive #ArchiveList ul li, .BlogArchive #ArchiveList ul ul li { margin: 0; padding-left: 0; text-indent: 0; } .BlogArchive .intervalToggle { cursor: pointer; } .BlogArchive .expanded .intervalToggle .new-toggle { -ms-transform: rotate(180deg); transform: rotate(180deg); } .BlogArchive .new-toggle { float: right; padding-top: 3px; opacity: 0.87; } #ArchiveList { text-transform: uppercase; } #ArchiveList .expanded > ul:last-child { margin-bottom: 16px; } #ArchiveList .archivedate { width: 100%; } /* Months */ .BlogArchive .items { max-width: 150px; margin-left: -4px; } .BlogArchive .expanded .items { margin-bottom: 10px; overflow: hidden; } .BlogArchive .items > ul { float: left; height: 32px; } .BlogArchive .items a { padding: 0 4px; } .Label { font-size: 13px; font-weight: normal; } .sidebar-icon { display: inline-block; width: 24px; height: 24px; vertical-align: middle; margin-right: 12px; margin-top: -1px } .Label a { margin-right: 4px; } .Label .widget-content { display: none; } .FollowByEmail { font-size: 13px; font-weight: normal; } .FollowByEmail h2 { background: url("data:image/png;base64,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"); background-repeat: no-repeat; background-position: 0 50%; text-indent: 30px; } .FollowByEmail .widget-content { display: none; } .searchBox input { border: 1px solid #eee; color: #212121; color: rgba(0,0,0,.87); font-size: 14px; padding: 8px 8px 8px 40px; width: 164px; font-family: Roboto, sans-serif; background: url("https://www.gstatic.com/images/icons/material/system/1x/search_grey600_24dp.png") 8px center no-repeat; } .searchBox ::-webkit-input-placeholder { /* WebKit, Blink, Edge */ color: rgba(0,0,0,.54); } .searchBox :-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #000; opacity: 0.54; } .searchBox ::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #000; opacity: 0.54; } .searchBox :-ms-input-placeholder { /* Internet Explorer 10-11 */ color: #757575; } .widget-item-control { margin-top: 0px; } .section { margin: 0; padding: 0; } #sidebar-top { border: 1px solid #eee; } #sidebar-top > div { margin: 16px 0; } .widget ul { line-height: 1.6; } /*main post*/ .post { margin-bottom:30px; } #main .post .title { margin: 0; } #main .post .title a { color: #212121; color: rgba(0,0,0,.87); font-weight: normal; font-size: 24px; } #main .post .title a:hover { text-decoration:none; color:#4184F3; } .message, #main .post .post-header { margin: 0; padding: 0; } #main .post .post-header .caption, #main .post .post-header .labels-caption, #main .post .post-footer .caption, #main .post .post-footer .labels-caption { color: #444; font-weight: 500; } #main .tr-caption-container td { text-align: left; } #main .post .tr-caption { color: #757575; color: rgba(0,0,0,.54); display: block; max-width: 560px; padding-bottom: 20px; } #main .post .tr-caption-container { line-height: 24px; margin: -1px 0 0 0 !important; padding: 4px 0; text-align: left; } #main .post .post-header .published{ font-size:11px; font-weight:bold; } .post-header .publishdate { font-size: 17px; font-weight:normal; color: #757575; color: rgba(0,0,0,.54); } #main .post .post-footer{ font-size:12px; padding-bottom: 21px; } .label-footer { margin-bottom: 12px; margin-top: 12px; } .comment-img { margin-right: 16px; opacity: 0.54; vertical-align: middle; } #main .post .post-header .published { margin-bottom: 40px; margin-top: -2px; } .post .post-content { color: #212121; color: rgba(0,0,0,.87); font-size: 17px; margin: 25px 0 36px 0; line-height: 32px; } .post-body .post-content ul, .post-body .post-content ol { margin: 16px 0; padding: 0 48px; } .post-summary { display: none; } /* Another old-style caption. */ .post-content div i, .post-content div + i { font-size: 14px; font-style: normal; color: #757575; color: rgba(0,0,0,.54); display: block; line-height: 24px; margin-bottom: 16px; text-align: left; } /* Another old-style caption (with link) */ .post-content a > i { color: #4184F3 !important; } /* Old-style captions for images. */ .post-content .separator + div:not(.separator) { margin-top: -16px; } /* Capture section headers. */ .post-content br + br + b, .post-content .space + .space + b, .post-content .separator + b { display: inline-block; margin-bottom: 8px; margin-top: 24px; } .post-content li { line-height: 32px; } /* Override all post images/videos to left align. */ .post-content .separator > a, .post-content .separator > span { margin-left: 0 !important; } .post-content img { max-width: 100%; height: auto; width: auto; } .post-content .tr-caption-container img { margin-bottom: 12px; } .post-content iframe, .post-content embed { max-width: 100%; } .post-content .carousel-container { margin-bottom: 48px; } #main .post-content b { font-weight: 500; } /* These are the main paragraph spacing tweaks. */ #main .post-content br { content: ' '; display: block; padding: 4px; } .post-content .space { display: block; height: 8px; } .post-content iframe + .space, .post-content iframe + br { padding: 0 !important; } #main .post .jump-link { margin-bottom:10px; } .post-content img, .post-content iframe { margin: 30px 0 20px 0; } .post-content > img:first-child, .post-content > iframe:first-child { margin-top: 0; } .col-right .section { padding: 0 16px; } #aside { background:#fff; border:1px solid #eee; border-top: 0; } #aside .widget { margin:0; } #aside .widget h2, #ArchiveList .toggle + a.post-count-link { color: #212121; color: rgba(0,0,0,.87); font-weight: 400 !important; margin: 0; } #ArchiveList .toggle { float: right; } #ArchiveList .toggle .material-icons { padding-top: 4px; } #sidebar .tab { cursor: pointer; } #sidebar .tab .arrow { display: inline-block; float: right; } #sidebar .tab .icon { display: inline-block; vertical-align: top; height: 24px; width: 24px; margin-right: 13px; margin-left: -1px; margin-top: 1px; color: #757575; color: rgba(0,0,0,.54); } #sidebar .widget-content > :first-child { padding-top: 8px; } #sidebar .active .tab .arrow { -ms-transform: rotate(180deg); transform: rotate(180deg); } #sidebar .arrow { color: #757575; color: rgba(0,0,0,.54); } #sidebar .widget h2 { font-size: 14px; line-height: 24px; display: inline-block; } #sidebar .widget .BlogArchive { padding-bottom: 8px; } #sidebar .widget { border-bottom: 1px solid #eee; box-shadow: 0px 1px 0 white; margin-bottom: 0; padding: 14px 0; min-height: 20px; } #sidebar .widget:last-child { border-bottom: none; box-shadow: none; margin-bottom: 0; } #sidebar ul { margin: 0; padding: 0; } #sidebar ul li { list-style:none; padding:0; } #sidebar ul li a { line-height: 32px; } #sidebar .archive { background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAYCAYAAADzoH0MAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAE1JREFUeNpiNDY23s9AAWBioBCwYBM8c+YMVsUmJibEGYBNMS5DaeMFfDYSZQA2v9I3FrB5AZeriI4FmnrBccCT8mhmGs1MwyAzAQQYAKEWG9zm9QFEAAAAAElFTkSuQmCC"); height: 24px; line-height: 24px; padding-left: 30px; } #sidebar .labels { background-image: url("data:image/png;base64,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"); height: 20px; line-height: 20px; padding-left: 30px; } #sidebar .rss a { background-image: url("data:image/png;base64,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"); } #sidebar .subscription a { background-image: url("data:image/png;base64,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"); } #sidebar-bottom { background: #f5f5f5; border-top:1px solid #eee; } #sidebar-bottom .widget { border-bottom: 1px solid #e0e0e0; padding: 15px 0; text-align: center; } #sidebar-bottom > div:last-child { border-bottom: 0; } #sidebar-bottom .text { line-height: 20px; } /* Home, forward, and backward pagination. */ .blog-pager { border-top : 1px #e0e0e0 solid; padding-top: 10px; margin-top: 15px; text-align: right !important; } #blog-pager { margin-botom: 0; margin-top: -14px; padding: 16px 0 0 0; } #blog-pager a { display: inline-block; } .blog-pager i.disabled { opacity: 0.2 !important; } .blog-pager i { color: black; margin-left: 16px; opacity: 0.54; } .blog-pager i:hover, .blog-pager i:active { opacity: 0.87; } #blog-pager-older-link, #blog-pager-newer-link { float: none; } .gplus-profile { background-color: #fafafa; border: 1px solid #eee; overflow: hidden; width: 212px; } .gplus-profile-inner { margin-left: -1px; margin-top: -1px; } /* Sidebar follow buttons. */ .followgooglewrapper { padding: 12px 0 0 0; } .loading { visibility: hidden; } .detail-page .post-footer .cmt_iframe_holder { padding-top: 40px !important; } /** Desktop **/ @media (max-width: 900px) { .col-right { display: none; } .col-main { margin-right: 0; min-width: initial; } .footer-outer { display: none; } .cols-wrapper { min-width: initial; } .google-footer-outer { background-color: #f5f5f5; } } /** Tablet **/ @media (max-width: 712px) { .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 40px; } } /* An extra breakpoint accommodating for long blog titles. */ @media (max-width: 600px) { .header-left { height: 100%; top: inherit; margin-top: 0; -webkit-transform: initial; transform: initial; } .header-title { margin-top: 18px; } .header-inner .google-logo { height: 40px; margin-top: 3px; } .header-inner .google-logo img { height: 42px; } .header-title h2 { font-size: 32px; line-height: 40px; } .header-desc { bottom: 24px; position: absolute; } } /** Mobile/small desktop window; also landscape. **/ @media (max-width: 480px), (max-height: 480px) { .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 16px; } .cols-wrapper { margin-top: 0; } .post-header .publishdate, .post .post-content { font-size: 16px; } .post .post-content { line-height: 28px; margin-bottom: 30px; } .post { margin-top: 30px; } .byline-author { display: block; font-size: 12px; line-height: 24px; margin-top: 6px; } #main .post .title a { font-weight: 500; color: #4c4c4c; color: rgba(0,0,0,.70); } #main .post .post-header { padding-bottom: 12px; } #main .post .post-header .published { margin-bottom: -8px; margin-top: 3px; } .post .read-more { display: block; margin-top: 14px; } .post .tr-caption { font-size: 12px; } #main .post .title a { font-size: 20px; line-height: 30px; } .post-content iframe { /* iframe won't keep aspect ratio when scaled down. */ max-height: 240px; } .post-content .separator img, .post-content .tr-caption-container img, .post-content iframe { margin-left: -16px; max-width: inherit; width: calc(100% + 32px); } .post-content table, .post-content td { width: 100%; } #blog-pager { margin: 0; padding: 16px 0; } /** List page tweaks. **/ .list-page .post-original { display: none; } .list-page .post-summary { display: block; } .list-page .comment-container { display: none; } .list-page #blog-pager { padding-top: 0; border: 0; margin-top: -8px; } .list-page .label-footer { display: none; } .list-page #main .post .post-footer { border-bottom: 1px solid #eee; margin: -16px 0 0 0; padding: 0 0 20px 0; } .list-page .post .share { display: none; } /** Detail page tweaks. **/ .detail-page .post-footer .cmt_iframe_holder { padding-top: 32px !important; } .detail-page .label-footer { margin-bottom: 0; } .detail-page #main .post .post-footer { padding-bottom: 0; } .detail-page #comments { display: none; } } [data-about-pullquote], [data-is-preview], [data-about-syndication] { display: none; } </style> <noscript> <style> .loading { visibility: visible }</style> </noscript> <!-- Google tag (gtag.js) --> <script async='true' src='https://www.googletagmanager.com/gtag/js?id=G-K46T604G22'></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-K46T604G22'); </script> <link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=1176949257541686127&zx=0f7b9d63-190f-4056-9792-6827b49e724a' media='none' onload='if(media!='all')media='all'' rel='stylesheet'/><noscript><link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=1176949257541686127&zx=0f7b9d63-190f-4056-9792-6827b49e724a' rel='stylesheet'/></noscript> <meta name='google-adsense-platform-account' content='ca-host-pub-1556223355139109'/> <meta name='google-adsense-platform-domain' content='blogspot.com'/> </head> <body> <script type='text/javascript'> //<![CDATA[ var axel = Math.random() + ""; var a = axel * 10000000000000; document.write('<iframe src="https://2542116.fls.doubleclick.net/activityi;src=2542116;type=gblog;cat=googl0;ord=ord=' + a + '?" width="1" height="1" frameborder="0" style="display:none"></iframe>'); //]]> </script> <noscript> <img alt='' height='1' src='https://ad.doubleclick.net/ddm/activity/src=2542116;type=gblog;cat=googl0;ord=1?' width='1'/> </noscript> <!-- Header --> <div class='header-outer'> <div class='header-inner'> <div class='section' id='header'><div class='widget Header' data-version='1' id='Header1'> <div class='header-left'> <div class='header-title'> <a class='google-logo' href='https://security.googleblog.com/'> <img height='50' src='https://www.gstatic.com/images/branding/googlelogo/2x/googlelogo_color_150x54dp.png'/> </a> <a href='/.'> <h2> Security Blog </h2> </a> </div> <div class='header-desc'> The latest news and insights from Google on security and safety on the Internet </div> </div> </div></div> </div> </div> <!-- all content wrapper start --> <div class='cols-wrapper loading'> <div class='col-main-wrapper'> <div class='col-main'> <div class='section' id='main'><div class='widget Blog' data-version='1' id='Blog1'> <div class='post' data-id='9116930908374247873' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html' itemprop='url' title='Better protection against Man in the Middle phishing attacks'> Better protection against Man in the Middle phishing attacks </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> April 18, 2019 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <span class="byline-author">Posted by Jonathan Skelker, Product Manager, Account Security</span><br /> <br /> We’re constantly working to improve our phishing protections to keep your information secure. Last year, we announced that we would require <a href="https://security.googleblog.com/2018/10/announcing-some-security-treats-to.html">JavaScript to be enabled</a> in your browser when you sign in so that we can run a risk assessment whenever credentials are entered on a sign-in page and block the sign-in if we suspect an attack. This is yet another layer of protection on top of existing safeguards like <a href="https://safebrowsing.google.com/">Safe Browsing warnings</a>, <a href="https://gmail.googleblog.com/2007/07/thanks-for-all-spam-reports.html">Gmail spam filters</a>, and <a href="https://support.google.com/accounts/answer/7162782">account sign-in challenges</a>.<br /> <br /> However, one form of phishing, known as “<a href="https://breakdev.org/evilginx-2-next-generation-of-phishing-2fa-tokens/">man in the middle</a>” (MITM), is hard to detect when an embedded browser framework (e.g., <a href="https://bitbucket.org/chromiumembedded/cef">Chromium Embedded Framework</a> - CEF) or another automation platform is being used for authentication. MITM intercepts the communications between a user and Google in real-time to gather the user’s credentials (including the second factor in some cases) and sign in. Because we can’t differentiate between a legitimate sign in and a MITM attack on these platforms, we will be blocking sign-ins from embedded browser frameworks starting in June. This is similar to the <a href="https://developers.googleblog.com/2016/08/modernizing-oauth-interactions-in-native-apps.html">restriction on webview</a> sign-ins announced in April 2016.<br /> <br /> <b>What developers need to know</b><br /> <b><br /></b> The solution for developers currently using CEF for authentication is the same: <a href="https://developers.google.com/identity/protocols/OAuth2InstalledApp">browser-based OAuth authentication</a>. Aside from being secure, it also enables users to see the full URL of the page where they are entering their credentials, reinforcing good anti-phishing practices. If you are a developer with an app that requires access to Google Account data, switch to using browser-based OAuth authentication today. <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <span class="byline-author">Posted by Jonathan Skelker, Product Manager, Account Security</span><br /> <br /> We’re constantly working to improve our phishing protections to keep your information secure. Last year, we announced that we would require <a href="https://security.googleblog.com/2018/10/announcing-some-security-treats-to.html">JavaScript to be enabled</a> in your browser when you sign in so that we can run a risk assessment whenever credentials are entered on a sign-in page and block the sign-in if we suspect an attack. This is yet another layer of protection on top of existing safeguards like <a href="https://safebrowsing.google.com/">Safe Browsing warnings</a>, <a href="https://gmail.googleblog.com/2007/07/thanks-for-all-spam-reports.html">Gmail spam filters</a>, and <a href="https://support.google.com/accounts/answer/7162782">account sign-in challenges</a>.<br /> <br /> However, one form of phishing, known as “<a href="https://breakdev.org/evilginx-2-next-generation-of-phishing-2fa-tokens/">man in the middle</a>” (MITM), is hard to detect when an embedded browser framework (e.g., <a href="https://bitbucket.org/chromiumembedded/cef">Chromium Embedded Framework</a> - CEF) or another automation platform is being used for authentication. MITM intercepts the communications between a user and Google in real-time to gather the user’s credentials (including the second factor in some cases) and sign in. Because we can’t differentiate between a legitimate sign in and a MITM attack on these platforms, we will be blocking sign-ins from embedded browser frameworks starting in June. This is similar to the <a href="https://developers.googleblog.com/2016/08/modernizing-oauth-interactions-in-native-apps.html">restriction on webview</a> sign-ins announced in April 2016.<br /> <br /> <b>What developers need to know</b><br /> <b><br /></b> The solution for developers currently using CEF for authentication is the same: <a href="https://developers.google.com/identity/protocols/OAuth2InstalledApp">browser-based OAuth authentication</a>. Aside from being secure, it also enables users to see the full URL of the page where they are entering their credentials, reinforcing good anti-phishing practices. If you are a developer with an app that requires access to Google Account data, switch to using browser-based OAuth authentication today. <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Google Online Security Blog:Better protection against Man in the Middle phishing attacks&url=https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html&via=google'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> </div> <div class='comment-container'> <i class='comment-img material-icons'>  </i> <span class='cmt_count_iframe_holder' data-count='0' data-onclick='javascript:window.open(this.href, "bloggerPopup", "toolbar=0,location=0,statusbar=1,menubar=0,scrollbars=yes,width=640,height=500"); return false;' data-post-url='https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html' data-url='https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html' style='color: #4184F3;'></span> </div> <div class='post-footer'> <div class='cmt_iframe_holder' data-href='https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html' data-viewtype='FILTERED_POSTMOD'></div> <a href='https://plus.google.com/112374322230920073195' rel='author' style='display:none;'> Google </a> <div class='label-footer'> </div> </div> </div> <div class='post' data-id='2548403968603399120' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://security.googleblog.com/2019/04/the-android-platform-security-model.html' itemprop='url' title='The Android Platform Security Model'> The Android Platform Security Model </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> April 18, 2019 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <span class="byline-author">Posted by Jeff Vander Stoep, Android Security & Privacy Team</span> <br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic01LX1q5C81DUCi4Ez8s8Fjyp66udwMW6AdKysVrtfuF0uHP5nma3GiUNN7hhjY_z2y8FI37TULWLPoDtvER_mQeMcXihSqY9l2heJZYtidwfrkr1Sx-9U5BpDBYgI3v7O39rJyN0bmoj/s1600/Artboard+1%25403x.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1600" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic01LX1q5C81DUCi4Ez8s8Fjyp66udwMW6AdKysVrtfuF0uHP5nma3GiUNN7hhjY_z2y8FI37TULWLPoDtvER_mQeMcXihSqY9l2heJZYtidwfrkr1Sx-9U5BpDBYgI3v7O39rJyN0bmoj/s640/Artboard+1%25403x.png" width="640" /></a></div> <br /> <div class="separator" style="clear: both; text-align: center;"> </div> Each Android release comes with great new security and privacy features. When it comes to implementing these new features we always look at ways to measure the impact with data that <a href="https://source.android.com/security/reports/Google_Android_Security_2018_Report_Final.pdf">demonstrates</a> the <a href="https://events.linuxfoundation.org/wp-content/uploads/2017/11/LSS2018.pdf">effectiveness</a> of <a href="https://android-developers.googleblog.com/2018/06/compiler-based-security-mitigations-in.html">these</a> <a href="https://www.blackhat.com/docs/us-16/materials/us-16-Kralevich-The-Art-Of-Defense-How-Vulnerabilities-Help-Shape-Security-Features-And-Mitigations-In-Android.pdf">improvements</a>. But how do these features map to an overall strategy? <br /> Last week, we released a whitepaper describing <a href="https://arxiv.org/abs/1904.05572">The Android Platform Security Model</a>. Specifically we discuss: <br /> <ul> <li>The security model which has implicitly informed the Android platform’s security design from the beginning, but has not been formally published or described outside of Google. </li> <li>The context in which this security model must operate, including the scale of the Android ecosystem and its many form factors and use cases. </li> <li>The complex threat model Android must address. </li> <li>How Android’s reference implementation in the Android Open Source Project (AOSP) enacts the security model. </li> <li>How Android’s security systems have evolved over time to address the threat model. </li> </ul> Android is fundamentally based on a multi-party consent<sup id="fnref1"><a href="https://www.blogger.com/blogger.g?blogID=1176949257541686127#fn1" rel="footnote">1</a></sup> model: an action should only happen if the involved parties consent to it. Most importantly, apps are not considered to be fully authorized agents for the user. There are some intentional deviations from the security model and we discuss why these exist and the value that they provide to users. Finally, openness is a fundamental value in Android: from how we develop and publish in open source, to the open access users and developers have in finding or publishing apps, and the open communication mechanisms we provide for inter-app interactions which facilitate innovation within the app ecosystem. <br /> We hope this paper provides useful information and background to all the academic and security researchers dedicated to further strengthening the security of the Android ecosystem. Happy reading! <br /> <em>Acknowledgements: This post leveraged contributions from René Mayrhofer, Chad Brubaker, and Nick Kralevich</em> <br /> <!-- Footnotes themselves at the bottom. --> <br /> <h2> Notes</h2> <div class="footnotes"> <hr /> <ol> <li id="fn1"> The term ‘consent’ here and in the paper is used to refer to various technical methods of declaring or enforcing a party’s intent, rather than the legal requirement or standard found in many privacy legal regimes around the world. <a href="https://www.blogger.com/blogger.g?blogID=1176949257541686127#fnref1" rev="footnote">↩</a> </li> </ol> </div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <span class="byline-author">Posted by Jeff Vander Stoep, Android Security & Privacy Team</span> <br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic01LX1q5C81DUCi4Ez8s8Fjyp66udwMW6AdKysVrtfuF0uHP5nma3GiUNN7hhjY_z2y8FI37TULWLPoDtvER_mQeMcXihSqY9l2heJZYtidwfrkr1Sx-9U5BpDBYgI3v7O39rJyN0bmoj/s1600/Artboard+1%25403x.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1600" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic01LX1q5C81DUCi4Ez8s8Fjyp66udwMW6AdKysVrtfuF0uHP5nma3GiUNN7hhjY_z2y8FI37TULWLPoDtvER_mQeMcXihSqY9l2heJZYtidwfrkr1Sx-9U5BpDBYgI3v7O39rJyN0bmoj/s640/Artboard+1%25403x.png" width="640" /></a></div> <br /> <div class="separator" style="clear: both; text-align: center;"> </div> Each Android release comes with great new security and privacy features. When it comes to implementing these new features we always look at ways to measure the impact with data that <a href="https://source.android.com/security/reports/Google_Android_Security_2018_Report_Final.pdf">demonstrates</a> the <a href="https://events.linuxfoundation.org/wp-content/uploads/2017/11/LSS2018.pdf">effectiveness</a> of <a href="https://android-developers.googleblog.com/2018/06/compiler-based-security-mitigations-in.html">these</a> <a href="https://www.blackhat.com/docs/us-16/materials/us-16-Kralevich-The-Art-Of-Defense-How-Vulnerabilities-Help-Shape-Security-Features-And-Mitigations-In-Android.pdf">improvements</a>. But how do these features map to an overall strategy? <br /> Last week, we released a whitepaper describing <a href="https://arxiv.org/abs/1904.05572">The Android Platform Security Model</a>. Specifically we discuss: <br /> <ul> <li>The security model which has implicitly informed the Android platform’s security design from the beginning, but has not been formally published or described outside of Google. </li> <li>The context in which this security model must operate, including the scale of the Android ecosystem and its many form factors and use cases. </li> <li>The complex threat model Android must address. </li> <li>How Android’s reference implementation in the Android Open Source Project (AOSP) enacts the security model. </li> <li>How Android’s security systems have evolved over time to address the threat model. </li> </ul> Android is fundamentally based on a multi-party consent<sup id="fnref1"><a href="https://www.blogger.com/blogger.g?blogID=1176949257541686127#fn1" rel="footnote">1</a></sup> model: an action should only happen if the involved parties consent to it. Most importantly, apps are not considered to be fully authorized agents for the user. There are some intentional deviations from the security model and we discuss why these exist and the value that they provide to users. Finally, openness is a fundamental value in Android: from how we develop and publish in open source, to the open access users and developers have in finding or publishing apps, and the open communication mechanisms we provide for inter-app interactions which facilitate innovation within the app ecosystem. <br /> We hope this paper provides useful information and background to all the academic and security researchers dedicated to further strengthening the security of the Android ecosystem. Happy reading! <br /> <em>Acknowledgements: This post leveraged contributions from René Mayrhofer, Chad Brubaker, and Nick Kralevich</em> <br /> <!-- Footnotes themselves at the bottom. --> <br /> <h2> Notes</h2> <div class="footnotes"> <hr /> <ol> <li id="fn1"> The term ‘consent’ here and in the paper is used to refer to various technical methods of declaring or enforcing a party’s intent, rather than the legal requirement or standard found in many privacy legal regimes around the world. <a href="https://www.blogger.com/blogger.g?blogID=1176949257541686127#fnref1" rev="footnote">↩</a> </li> </ol> </div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Google Online Security Blog:The Android Platform Security Model&url=https://security.googleblog.com/2019/04/the-android-platform-security-model.html&via=google'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://security.googleblog.com/2019/04/the-android-platform-security-model.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> </div> <div class='comment-container'> <i class='comment-img material-icons'>  </i> <span class='cmt_count_iframe_holder' data-count='0' data-onclick='javascript:window.open(this.href, "bloggerPopup", "toolbar=0,location=0,statusbar=1,menubar=0,scrollbars=yes,width=640,height=500"); return false;' data-post-url='https://security.googleblog.com/2019/04/the-android-platform-security-model.html' data-url='https://security.googleblog.com/2019/04/the-android-platform-security-model.html' style='color: #4184F3;'></span> </div> <div class='post-footer'> <div class='cmt_iframe_holder' data-href='https://security.googleblog.com/2019/04/the-android-platform-security-model.html' data-viewtype='FILTERED_POSTMOD'></div> <a href='https://plus.google.com/112374322230920073195' rel='author' style='display:none;'> Google </a> <div class='label-footer'> <span class='labels-caption'> Labels: </span> <span class='labels'> <a class='label' href='https://security.googleblog.com/search/label/android%20security' rel='tag'> android security </a> </span> </div> </div> </div> <div class='post' data-id='3448210747902364563' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://security.googleblog.com/2019/04/gmail-making-email-more-secure-with-mta.html' itemprop='url' title='Gmail making email more secure with MTA-STS standard'> Gmail making email more secure with MTA-STS standard </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> April 10, 2019 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <span class="byline-author">Posted by Nicolas Lidzborski, Senior Staff Software Engineer, Google Cloud and Nicolas Kardas, Senior Product Manager, Google Cloud </span><br /> <br /> We’re excited to announce that Gmail will become the first major email provider to follow the new <a href="https://tools.ietf.org/html/rfc8461">SMTP MTA Strict Transport Security (MTA-STS) RFC 8461</a> and <a href="https://tools.ietf.org/html/rfc8460">SMTP TLS Reporting RFC 8460</a> internet standards. Those new email security standards are the result of three years of collaboration within <a href="https://www.ietf.org/standards/">IETF</a>, with contributions from Google and other large email providers.<br /> <br /> <b>SMTP alone is vulnerable to man-in-the-middle attacks</b><br /> <b><br /></b> Like all mail providers, Gmail uses Simple Mail Transfer Protocol (SMTP) to send and receive mail messages. SMTP alone only provides best-effort security with opportunistic encryption, and many SMTP servers do not prevent certain types of malicious attacks intercepting email traffic in transit.<br /> <br /> SMTP is therefore vulnerable to man-in-the-middle attacks. Man-in-the-middle is an attack where communication between two servers is intercepted and possibly changed without detection. Real attacks and prevention were highlighted in our <a href="https://security.googleblog.com/2015/11/new-research-encouraging-trends-and.html">research published in November 2015</a>. MTA-STS will help prevent these types of attacks.<br /> <br /> <b>MTA-STS uses encryption and authentication to reduce vulnerabilities</b><br /> <b><br /></b> A MTA-STS policy for your domain means that you request external mail servers sending messages to your domain to verify the SMTP connection is authenticated with a valid public certificate and encrypted with TLS 1.2 or higher. This can be combined with TLS reporting, that means your domain can request daily reports from external mail servers with information about the success or failure of emails sent to your domain according to MTA-STS policy.<br /> <br /> <b>Gmail is starting MTA-STS adherence. We hope others will follow</b><br /> <b><br /></b> Gmail the first major provider to follow the new standard, initially launching in Beta on April 10th 2019. This means Gmail will honor MTA-STS and TLS reporting policies configured when sending emails to domains that have defined these policies. We hope many other email providers will soon adopt these new standards that make email communications more secure.<br /> <br /> Email domain administrators should set up DNS records and web server endpoint to configure MTA-STS and TLS reporting policies for incoming emails. Use our Help Center to find out <a href="https://support.google.com/a/answer/9261504">how to set up an MTA-STS policy with your DNS server</a>. G Suite admins can use the G Suite Updates blog to see what MTA-STS means for G Suite domains. <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <span class="byline-author">Posted by Nicolas Lidzborski, Senior Staff Software Engineer, Google Cloud and Nicolas Kardas, Senior Product Manager, Google Cloud </span><br /> <br /> We’re excited to announce that Gmail will become the first major email provider to follow the new <a href="https://tools.ietf.org/html/rfc8461">SMTP MTA Strict Transport Security (MTA-STS) RFC 8461</a> and <a href="https://tools.ietf.org/html/rfc8460">SMTP TLS Reporting RFC 8460</a> internet standards. Those new email security standards are the result of three years of collaboration within <a href="https://www.ietf.org/standards/">IETF</a>, with contributions from Google and other large email providers.<br /> <br /> <b>SMTP alone is vulnerable to man-in-the-middle attacks</b><br /> <b><br /></b> Like all mail providers, Gmail uses Simple Mail Transfer Protocol (SMTP) to send and receive mail messages. SMTP alone only provides best-effort security with opportunistic encryption, and many SMTP servers do not prevent certain types of malicious attacks intercepting email traffic in transit.<br /> <br /> SMTP is therefore vulnerable to man-in-the-middle attacks. Man-in-the-middle is an attack where communication between two servers is intercepted and possibly changed without detection. Real attacks and prevention were highlighted in our <a href="https://security.googleblog.com/2015/11/new-research-encouraging-trends-and.html">research published in November 2015</a>. MTA-STS will help prevent these types of attacks.<br /> <br /> <b>MTA-STS uses encryption and authentication to reduce vulnerabilities</b><br /> <b><br /></b> A MTA-STS policy for your domain means that you request external mail servers sending messages to your domain to verify the SMTP connection is authenticated with a valid public certificate and encrypted with TLS 1.2 or higher. This can be combined with TLS reporting, that means your domain can request daily reports from external mail servers with information about the success or failure of emails sent to your domain according to MTA-STS policy.<br /> <br /> <b>Gmail is starting MTA-STS adherence. We hope others will follow</b><br /> <b><br /></b> Gmail the first major provider to follow the new standard, initially launching in Beta on April 10th 2019. This means Gmail will honor MTA-STS and TLS reporting policies configured when sending emails to domains that have defined these policies. We hope many other email providers will soon adopt these new standards that make email communications more secure.<br /> <br /> Email domain administrators should set up DNS records and web server endpoint to configure MTA-STS and TLS reporting policies for incoming emails. Use our Help Center to find out <a href="https://support.google.com/a/answer/9261504">how to set up an MTA-STS policy with your DNS server</a>. G Suite admins can use the G Suite Updates blog to see what MTA-STS means for G Suite domains. <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Google Online Security Blog:Gmail making email more secure with MTA-STS standard&url=https://security.googleblog.com/2019/04/gmail-making-email-more-secure-with-mta.html&via=google'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://security.googleblog.com/2019/04/gmail-making-email-more-secure-with-mta.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> </div> <div class='comment-container'> <i class='comment-img material-icons'>  </i> <span class='cmt_count_iframe_holder' data-count='0' data-onclick='javascript:window.open(this.href, "bloggerPopup", "toolbar=0,location=0,statusbar=1,menubar=0,scrollbars=yes,width=640,height=500"); return false;' data-post-url='https://security.googleblog.com/2019/04/gmail-making-email-more-secure-with-mta.html' data-url='https://security.googleblog.com/2019/04/gmail-making-email-more-secure-with-mta.html' style='color: #4184F3;'></span> </div> <div class='post-footer'> <div class='cmt_iframe_holder' data-href='https://security.googleblog.com/2019/04/gmail-making-email-more-secure-with-mta.html' data-viewtype='FILTERED_POSTMOD'></div> <a href='https://plus.google.com/112374322230920073195' rel='author' style='display:none;'> Google </a> <div class='label-footer'> </div> </div> </div> <div class='blog-pager' id='blog-pager'> <a class='home-link' href='https://security.googleblog.com/'> <i class='material-icons'>  </i> </a> <span id='blog-pager-newer-link'> <a class='blog-pager-newer-link' href='https://security.googleblog.com/search?updated-max=2019-06-19T09:01:00-04:00&max-results=10&reverse-paginate=true' id='Blog1_blog-pager-newer-link' title='Newer Posts'> <i class='material-icons'>  </i> </a> </span> <span id='blog-pager-older-link'> <a class='blog-pager-older-link' href='https://security.googleblog.com/search?updated-max=2019-04-10T15:13:00-04:00&max-results=10' id='Blog1_blog-pager-older-link' title='Older Posts'> <i class='material-icons'>  </i> </a> </span> </div> <div class='clear'></div> </div></div> </div> </div> <div class='col-right'> <div class='section' id='sidebar-top'><div class='widget HTML' data-version='1' id='HTML8'> <div class='widget-content'> <div class='searchBox'> <input type='text' title='Search This Blog' placeholder='Search blog ...' /> </div> </div> <div class='clear'></div> </div></div> <div id='aside'> <div class='section' id='sidebar'><div class='widget Label' data-version='1' id='Label1'> <div class='tab'> <img class='sidebar-icon' src='data:image/png;base64,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'/> <h2> Labels </h2> <i class='material-icons arrow'>  </i> </div> <div class='widget-content list-label-widget-content'> <ul> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/%23sharethemicincyber'> #sharethemicincyber </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/%23supplychain%20%23security%20%23opensource'> #supplychain #security #opensource </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/android'> android </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/android%20security'> android security </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/android%20tr'> android tr </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/app%20security'> app security </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/big%20data'> big data </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/biometrics'> biometrics </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/blackhat'> blackhat </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/C%2B%2B'> C++ </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/chrome'> chrome </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/chrome%20enterprise'> chrome enterprise </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/chrome%20security'> chrome security </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/connected%20devices'> connected devices </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/CTF'> CTF </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/diversity'> diversity </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/encryption'> encryption </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/federated%20learning'> federated learning </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/fuzzing'> fuzzing </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/Gboard'> Gboard </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/google%20play'> google play </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/google%20play%20protect'> google play protect </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/hacking'> hacking </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/interoperability'> interoperability </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/iot%20security'> iot security </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/kubernetes'> kubernetes </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/linux%20kernel'> linux kernel </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/memory%20safety'> memory safety </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/Open%20Source'> Open Source </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/pha%20family%20highlights'> pha family highlights </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/pixel'> pixel </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/privacy'> privacy </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/private%20compute%20core'> private compute core </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/Rowhammer'> Rowhammer </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/rust'> rust </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/Security'> Security </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/security%20rewards%20program'> security rewards program </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/sigstore'> sigstore </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/spyware'> spyware </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/supply%20chain'> supply chain </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/targeted%20spyware'> targeted spyware </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/tensor'> tensor </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/Titan%20M2'> Titan M2 </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/VDP'> VDP </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/vulnerabilities'> vulnerabilities </a> </li> <li> <a dir='ltr' href='https://security.googleblog.com/search/label/workshop'> workshop </a> </li> </ul> <div class='clear'></div> </div> </div><div class='widget BlogArchive' data-version='1' id='BlogArchive1'> <div class='tab'> <i class='material-icons icon'>  </i> <h2> Archive </h2> <i class='material-icons arrow'>  </i> </div> <div class='widget-content'> <div id='ArchiveList'> <div id='BlogArchive1_ArchiveList'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2024/'> 2024 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2024/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2023/'> 2023 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2023/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2022/'> 2022 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2022/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2021/'> 2021 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2021/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2020/'> 2020 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2020/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate expanded'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy toggle-open'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2019/'> 2019 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate expanded'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2019/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2018/'> 2018 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2018/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2017/'> 2017 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2017/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2016/'> 2016 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2016/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2015/'> 2015 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2015/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2014/'> 2014 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2014/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2013/'> 2013 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2013/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2012/'> 2012 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2012/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2011/'> 2011 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2011/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2010/'> 2010 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2010/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2009/'> 2009 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2009/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2009/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2009/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2009/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2009/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2009/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2008/'> 2008 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2008/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://security.googleblog.com/2007/'> 2007 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2007/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2007/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2007/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2007/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2007/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://security.googleblog.com/2007/05/'> May </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> </div> </div> <div class='clear'></div> </div> </div><div class='widget HTML' data-version='1' id='HTML6'> <div class='widget-content'> <a href="https://googleonlinesecurity.blogspot.com/atom.xml"> <img src="data:image/png;base64,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" class="sidebar-icon" /> <h2>Feed</h2> </a> </div> <div class='clear'></div> </div></div> <div class='section' id='sidebar-bottom'><div class='widget HTML' data-version='1' id='HTML5'> <div class='widget-content'> <div class='followgooglewrapper'> <script src="https://apis.google.com/js/plusone.js"></script> <div class="g-ytsubscribe" data-channel="Google" data-layout="full"></div> </div> <div class="share followgooglewrapper"> <button data-href="https://twitter.com/intent/follow?original_referer=http://googleonlinesecurity.blogspot.in/&screen_name=google" onclick='sharingPopup(this);' id='twitter-share'><span class="twitter-follow">Follow @google</span></button> <script> function sharingPopup (button) { var url = button.getAttribute("data-href"); window.open( url,'popUpWindow','height=500,width=500,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes'); } </script> </div> <div class="fb-follow-button"> <a href="https://www.facebook.com/google" target="_blank"><img class="fb-follow" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmruMUNSjAUsU-iCQjxgiqufl2u1wHJfiVTn3wuiIZAK1VUSRsexREPAOLV0N4-4VVtaYbZL18UsVh5CUlUJWH5UurFiQKMkHlNnj3YYw-2UiYtbNbvBE7VsAhdtw9rwNuOc-riC1exNkp/s1600/facebook-logo.png" />Follow</a> </div> </div> <div class='clear'></div> </div><div class='widget HTML' data-version='1' id='HTML1'> <div class='widget-content'> Give us feedback in our <a href="https://support.google.com/bin/static.py?hl=en&page=portal_groups.cs">Product Forums</a>. </div> <div class='clear'></div> </div></div> </div> </div> <div style='clear:both;'></div> </div> <!-- Footer --> <div class='google-footer-outer loading'> <div id='google-footer'> <a href='//www.google.com/'> <img class='google-logo-dark' height='36' src='data:image/png;base64,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' style='margin-top: -16px;' width='92'/> </a> <ul> <li> <a href='//www.google.com/'> Google </a> </li> <li> <a href='//www.google.com/policies/privacy/'> Privacy </a> </li> <li> <a href='//www.google.com/policies/terms/'> Terms </a> </li> </ul> </div> </div> <script type='text/javascript'> //<![CDATA[ // Social sharing popups. var postEl = document.getElementsByClassName('social-wrapper'); var postCount = postEl.length; for(i=0; i<postCount;i++){ postEl[i].addEventListener("click", function(event){ var postUrl = this.getAttribute("data-href"); window.open( postUrl,'popUpWindow','height=500,width=500,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes'); });} //]]> </script> <script type='text/javascript'> //<![CDATA[ var BreakpointHandler = function() { this.initted = false; this.isHomePage = false; this.isMobile = false; }; BreakpointHandler.prototype.finalizeSummary = function(summaryHtml, lastNode) { // Use $.trim for IE8 compatibility summaryHtml = $.trim(summaryHtml).replace(/(<br>|\s)+$/,''); if (lastNode.nodeType == 3) { var lastChar = summaryHtml.slice(-1); if (!lastChar.match(/[.”"?]/)) { if (!lastChar.match(/[A-Za-z]/)) { summaryHtml = summaryHtml.slice(0, -1); } summaryHtml += ' ...'; } } else if (lastNode.nodeType == 1 && (lastNode.nodeName == 'I' || lastNode.nodeName == 'A')) { summaryHtml += ' ...'; } return summaryHtml; }; BreakpointHandler.prototype.generateSummaryFromContent = function(content, numWords) { var seenWords = 0; var summaryHtml = ''; for (var i=0; i < content.childNodes.length; i++) { var node = content.childNodes[i]; var nodeText; if (node.nodeType == 1) { if (node.hasAttribute('data-about-pullquote')) { continue; } nodeText = node.textContent; if (nodeText === undefined) { // innerText for IE8 nodeText = node.innerText; } if (node.nodeName == 'DIV' || node.nodeName == 'B') { // Don't end early if we haven't seen enough words. if (seenWords < 10) { continue; } if (i > 0) { summaryHtml = this.finalizeSummary(summaryHtml, content.childNodes[i-1]); } break; } summaryHtml += node.outerHTML; } else if (node.nodeType == 3) { nodeText = node.nodeValue; summaryHtml += nodeText + ' '; } var words = nodeText.match(/\S+\s*/g); if (!words) { continue; } var remain = numWords - seenWords; if (words.length >= remain) { summaryHtml = this.finalizeSummary(summaryHtml, node); break; } seenWords += words.length; } return summaryHtml; }; BreakpointHandler.prototype.detect = function() { var match, pl = /\+/g, search = /([^&=]+)=?([^&]*)/g, decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); }, query = window.location.search.substring(1); var urlParams = {}; while (match = search.exec(query)) urlParams[decode(match[1])] = decode(match[2]); this.isListPage = $('html').hasClass('list-page'); this.isMobile = urlParams['m'] === '1'; this.isHomePage = window.location.pathname == '/'; }; BreakpointHandler.prototype.initContent = function() { var self = this; $('.post').each(function(index) { var body = $(this).children('.post-body')[0]; var content = $(body).children('.post-content')[0]; $(content).addClass('post-original'); var data = $(content).children('script').html(); data = self.rewriteForSSL(data); if (document.body.className.indexOf('is-preview') !== -1) { // If exists, extract specified editor's preview. var match = data.match(/([\s\S]+?)<div data-is-preview.+?>([\s\S]+)<\/div>/m); if (match) { data = match[1]; } } // Prevent big images from loading when they aren't needed. // This must be done as a pre-injection step, since image loading can't be // canceled once embedded into the DOM. if (self.isListPage && self.isMobile) { data = data.replace(/<(img|iframe) .+?>/g, ''); } // Insert template to be rendered as nodes. content.innerHTML = data; if (self.isListPage) { var summary = document.createElement('div'); $(summary).addClass('post-content'); $(summary).addClass('post-summary'); body.insertBefore(summary, content); if (match) { // Use provided summary. summary.innerHTML = match[2]; } else { // Generate a summary. // Summary generation relies on DOM, so it must occur after content is // inserted into the page. summary.innerHTML = self.generateSummaryFromContent(content, 30); } // Add read more link to summary. var titleAnchor = $(this).find('.title a')[0]; var link = titleAnchor.cloneNode(true); link.innerHTML = 'Read More'; $(link).addClass('read-more'); summary.appendChild(link); } }); // Firefox does not allow for proper styling of BR. if (navigator.userAgent.indexOf('Firefox') > -1) { $('.post-content br').replaceWith('<span class="space"></span>'); } $('.loading').removeClass('loading'); }; BreakpointHandler.prototype.process = function() { if (!this.initted) { var makeInsecureImageRegex = function(hosts) { var whitelist = hosts.join('|').replace(/\./g,'\\.'); // Normal image tags, plus input images (yes, this is possible!) return new RegExp('(<(img|input)[^>]+?src=("|\'))http:\/\/(' + whitelist +')', 'g'); }; this.sslImageRegex = makeInsecureImageRegex(BreakpointHandler.KNOWN_HTTPS_HOSTS); this.sslImageCurrentDomainRegex = makeInsecureImageRegex([window.location.hostname]); this.detect(); this.initContent(); this.initted = true; } }; BreakpointHandler.KNOWN_HTTPS_HOSTS = [ "www.google.org", "www.google.com", "services.google.com", "blogger.com", "draft.blogger.com", "www.blogger.com", "photos1.blogger.com", "photos2.blogger.com", "photos3.blogger.com", "blogblog.com", "img1.blogblog.com", "img2.blogblog.com", "www.blogblog.com", "www1.blogblog.com", "www2.blogblog.com", "0.bp.blogspot.com", "1.bp.blogspot.com", "2.bp.blogspot.com", "3.bp.blogspot.com", "4.bp.blogspot.com", "lh3.googleusercontent.com", "lh4.googleusercontent.com", "lh5.googleusercontent.com", "lh6.googleusercontent.com", "themes.googleusercontent.com", ]; BreakpointHandler.prototype.rewriteForSSL = function(html) { // Handle HTTP -> HTTPS source replacement of images, movies, and other embedded content. return html.replace(this.sslImageRegex, '$1https://$4') .replace(this.sslImageCurrentDomainRegex, '$1//$4') .replace(/(<(embed|iframe)[^>]+?src=("|'))http:\/\/([^"']*?(youtube|picasaweb\.google)\.com)/g, '$1https://$4') // Slideshow SWF takes a image host, so we need to rewrite that parameter. .replace(/(<embed[^>]+?feed=http(?=[^s]))/g, '$1s'); }; $(document).ready(function() { var handler = new BreakpointHandler(); handler.process(); // Top-level navigation. $(".BlogArchive .tab").click(function(ev) { ev.preventDefault(); $(this).parent().toggleClass('active'); $(this).siblings().slideToggle(300); }); $(".Label .tab").click(function(ev) { ev.preventDefault(); $(this).parent().toggleClass('active'); $(this).siblings().slideToggle(300); }); // Blog archive year expansion. $('.BlogArchive .intervalToggle').click(function(ev) { ev.preventDefault(); if ($(this).parent().hasClass('collapsed')) { $(this).parent().removeClass('collapsed'); $(this).parent().addClass('expanded'); } else { $(this).parent().removeClass('expanded'); $(this).parent().addClass('collapsed'); } }); // Reverse order of months. $('.BlogArchive .intervalToggle + div').each(function(_, items) { var year = $(this); year.children().each(function(_, month) { year.prepend(month); }); }); // Set anchors to open in new tab. $('.post-content img').parent().each(function(_, node) { if (node.nodeName == 'A') { $(this).attr('target', '_blank'); } }); // Process search requests. $('.searchBox input').on("keypress", function(ev) { if (ev.which == 13) { window.location.href = 'https://www.google.com/search?q=site%3A' + window.location.hostname + '%20' + encodeURIComponent ($(this).val()); } }); }); //]]> </script> <script type="text/javascript" src="https://www.blogger.com/static/v1/widgets/984859869-widgets.js"></script> <script type='text/javascript'> window['__wavt'] = 'AOuZoY4VoKvkmEoe0E7F0XrKpWFikQB_Mg:1732707473446';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d1176949257541686127','//security.googleblog.com/2019/04/','1176949257541686127'); _WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '1176949257541686127', 'title': 'Google Online Security Blog', 'url': 'https://security.googleblog.com/2019/04/', 'canonicalUrl': 'https://security.googleblog.com/2019/04/', 'homepageUrl': 'https://security.googleblog.com/', 'searchUrl': 'https://security.googleblog.com/search', 'canonicalHomepageUrl': 'https://security.googleblog.com/', 'blogspotFaviconUrl': 'https://security.googleblog.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': true, 'httpsEnabled': true, 'enabledCommentProfileImages': false, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': 'G-K46T604G22', 'analytics4': true, 'encoding': 'UTF-8', 'locale': 'en', 'localeUnderscoreDelimited': 'en', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Google Online Security Blog - Atom\x22 href\x3d\x22https://security.googleblog.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22Google Online Security Blog - RSS\x22 href\x3d\x22https://security.googleblog.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Google Online Security Blog - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/1176949257541686127/posts/default\x22 /\x3e\n', 'meTag': '', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': false, 'adsenseAutoAds': false, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/02de2df73990045b', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': 'Get link', 'key': 'link', 'shareMessage': 'Get link', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Share to Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'X', 'key': 'twitter', 'shareMessage': 'Share to X', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Share to Pinterest', 'target': 'pinterest'}, {'name': 'Email', 'key': 'email', 'shareMessage': 'Email', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27en\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': false, 'jumpLinkMessage': 'Read more', 'pageType': 'archive', 'pageName': 'April 2019', 'pageTitle': 'Google Online Security Blog: April 2019'}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Edit', 'linkCopiedToClipboard': 'Link copied to clipboard!', 'ok': 'Ok', 'postLink': 'Post Link'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Custom', 'isResponsive': false, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': 'Google Online Security Blog', 'description': 'The latest news and insights from Google on security and safety on the Internet', 'url': 'https://security.googleblog.com/2019/04/', 'type': 'feed', 'isSingleItem': false, 'isMultipleItems': true, 'isError': false, 'isPage': false, 'isPost': false, 'isHomepage': false, 'isArchive': true, 'isLabelSearch': false, 'archive': {'year': 2019, 'month': 4, 'rangeMessage': 'Showing posts from April, 2019'}}}]); _WidgetManager._RegisterWidget('_HeaderView', new _WidgetInfo('Header1', 'header', document.getElementById('Header1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'main', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML8', 'sidebar-top', document.getElementById('HTML8'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label1', 'sidebar', document.getElementById('Label1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_BlogArchiveView', new _WidgetInfo('BlogArchive1', 'sidebar', document.getElementById('BlogArchive1'), {'languageDirection': 'ltr', 'loadingMessage': 'Loading\x26hellip;'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML6', 'sidebar', document.getElementById('HTML6'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML5', 'sidebar-bottom', document.getElementById('HTML5'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML1', 'sidebar-bottom', document.getElementById('HTML1'), {}, 'displayModeFull')); </script> </body> </html>