On-device protections | Play Protect

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track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Potentially Harmful Applications </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="https://appdefensealliance.dev" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: App Defense Alliance" track-name="app defense alliance" data-category="Site-Wide Custom Events" data-label="Responsive Tab: App Defense Alliance" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > App Defense Alliance </span> </a> </li> <li class="devsite-nav-item"> <a href="/android/play-protect/starting-a-vdp" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Starting a Vulnerability Disclosure Program" track-name="starting a vulnerability disclosure program" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Starting a Vulnerability Disclosure Program" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Starting a Vulnerability Disclosure Program </span> </a> </li> <li class="devsite-nav-item"> <a href="/android/security/android-ready-se" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Android Ready SE" track-name="android ready se" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android Ready SE" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android Ready SE </span> </a> </li> </ul> </div> <div class="devsite-mobile-nav-bottom"> <ul class="devsite-nav-list" menu="_book"> <li class="devsite-nav-item"><a href="/android/play-protect/client-protections" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /android/play-protect/client-protections" track-type="bookNav" track-name="click" track-metadata-eventdetail="/android/play-protect/client-protections" ><span class="devsite-nav-text" tooltip>Client Protections</span></a></li> <li class="devsite-nav-item"><a href="/android/play-protect/cloud-based-protections" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /android/play-protect/cloud-based-protections" track-type="bookNav" track-name="click" track-metadata-eventdetail="/android/play-protect/cloud-based-protections" ><span class="devsite-nav-text" tooltip>Cloud-based protections</span></a></li> </ul> </div> </div> </nav> </devsite-book-nav> <section id="gc-wrapper"> <main role="main" class="devsite-main-content" has-book-nav > <devsite-content> <article class="devsite-article"><style> /* Styles inlined from /android/play-protect/custom/gppStyle.css */ @font-face { font-family: Euclid; src: url(/android/play-protect/custom/euclid.woff); } @font-face { font-family: andBlack; src: url(/android/play-protect/custom/and_black.woff); } @keyframes play-float { 0% { transform: translatey(-10px); } 50% { transform: translatey(-30px); } 100% { transform: translatey(-10px); } } .heroTop { /* App Defense Alliance Index */ margin-top: 50px; font-family: andBlack; font-size: 18px; margin-right: 40px; margin-left: 40px; } img { margin-left: auto; margin-right: auto; display: block; } .grid-container { display: grid; grid-template-columns: auto auto; padding: 10px; grid-gap: 10px; } .grid-item { padding: 10px; background-color: #F1F3F4; text-align: center; } .phatitle { background-color: #D2E3FC; border-radius: 10px; padding: 5px 5px 10px 10px; margin-top: 30px; margin-bottom: 30px; filter: drop-shadow(5px 5px 5px #9AA0A6); } .box { width: 900px; padding-top: 5px; border-width: 1px; padding-left: 3px; padding-bottom: 10px; margin: auto; word-wrap: break-word; } .gpp-partner-description { /* App Defense Alliance Index */ padding: 0px 10px 0px 0px; font-size: 18px; } .gpp-billboard { /* App Defense Alliance Index */ font-family: Euclid; font-size: 350%; z-index: 1; } .se-billboard { /* App Defense Alliance Index */ font-size: 350%; z-index: 1; } .readyse-billboard { /* App Defense Alliance Index */ font-family: andBlack; font-size: 350%; z-index: 1; } .gpp-partners-header { /* App Defense Alliance Index */ font-family: Euclid; font-size: 150%; } /* ********* Animations ******** */ .container { width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; } .adaContainer { /* App Defense Alliance Index */ width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; position: relative; margin-top: 50px; } .play-play { -webkit-filter: drop-shadow(5px 5px 5px #9AA0A6); filter: drop-shadow(5px 5px 5px #9AA0A6); overflow: hidden; transform: translatey(0px); animation: play-float 6s ease-in-out infinite; } .gppparallax { /* The image used */ background-image: url('/android/play-protect/images/hero-poster.jpg'); border-radius: 5px; /* Set a specific height */ min-height: 20px; margin: 0 0 15px 0; /* Create the parallax scrolling effect */ background-attachment: fixed; background-position: center; background-repeat: no-repeat; background-size: cover; } /* ******* Linear Roll or Spin ******* */ @-webkit-keyframes shift_linearRoll { 0% { -ms-transform: scale(1, 1) rotate(0deg) translate(0px, 0px); -webkit-transform: scale(1, 1) rotate(0deg) translate(0px, 0px); transform: scale(1, 1) rotate(0deg) translate(0px, 0px); } 100% { -ms-transform: scale(1, 1) rotate(360deg) translate(0px, 0px); -webkit-transform: scale(1, 1) rotate(360deg) translate(0px, 0px); transform: scale(1, 1) rotate(360deg) translate(0px, 0px); } } @keyframes shift_linearRoll { 0% { -ms-transform: scale(1, 1) rotate(0deg) translate(0px, 0px); -webkit-transform: scale(1, 1) rotate(0deg) translate(0px, 0px); transform: scale(1, 1) rotate(0deg) translate(0px, 0px); } 100% { -ms-transform: scale(1, 1) rotate(360deg) translate(0px, 0px); -webkit-transform: scale(1, 1) rotate(360deg) translate(0px, 0px); transform: scale(1, 1) rotate(360deg) translate(0px, 0px); } } .gppRoll { -webkit-animation-delay: 0s; -webkit-animation-duration: 2s; -webkit-animation-name: shift_linearRoll; -webkit-animation-fill-mode: forwards; animation-delay: 0s; animation-duration: 2s; animation-name: shift_linearRoll; animation-fill-mode: forwards; animation: shift_linearRoll 6s infinite; position: relative; } .seroll { -webkit-animation-delay: 2s; -webkit-animation-duration: 3s; -webkit-animation-name: shift_linearRoll; -webkit-animation-fill-mode: forwards; animation-delay: 2s; animation-duration: 3s; animation-name: shift_linearRoll; animation-fill-mode: forwards; animation: shift_linearRoll 5s infinite; position: relative; } /* ******** On-load fade into view from 0% to 100% ******** */ @-webkit-keyframes shift_enterZoom { 0% { -ms-transform: scale(0, 0); -webkit-transform: scale(0, 0); transform: scale(0, 0); opacity: 0; } 100% { -ms-transform: scale(1, 1); -webkit-transform: scale(1, 1); transform: scale(1, 1); opacity: 1; } } .gppEnterZoom { -webkit-animation-delay: 0s; -webkit-animation-duration: 2s; -webkit-animation-name: shift_enterZoom; -webkit-animation-fill-mode: forwards; animation-delay: 0s; animation-duration: 2s; animation-name: shift_enterZoom; animation-fill-mode: forwards; position: absolute; } .euclidFont { font-family: "Euclid" !important; } .vuln-grey { background-color: #212121 !important; color: #fff !important; box-shadow: 10px 10px 5px rgba(48, 188, 255, 0.2) !important; } [background=blue-grey-dark] { background-color: #212121 !important; } /* ******* Hacker Hints Custom Notice ******* */ aside, aside code, aside :link, aside :visited, .hacknote, .hacknote code, .hacknote :link, .hacknote :visited, .special, .special code, .special :link, .special :visited { background: #212121; color: #fff; } aside::before, .hacknote::before, .special::before { content: "code"; } /* **** cari **** */ *, *:before, *:after { box-sizing: border-box; } .testimonials-section { background: #fff; height: 400px; position: relative; overflow: hidden; display: -webkit-box; display: -webkit-flex; display: -ms-flexbox; display: flex; -webkit-flex-flow: row nowrap; -ms-flex-flow: row nowrap; flex-flow: row nowrap; -webkit-box-align: end; -webkit-align-items: flex-end; -ms-flex-align: end; align-items: flex-end; -webkit-box-pack: center; -webkit-justify-content: center; -ms-flex-pack: center; justify-content: center; } .slider__nav { width: 12px; height: 12px; margin: 900px 12px; border-radius: 50%; z-index: 10; outline: 6px solid #ccc; outline-offset: -6px; box-shadow: 0 0 0 0 #333, 0 0 0 0 rgba(51, 51, 51, 0); cursor: pointer; -webkit-appearance: none; -moz-appearance: none; appearance: none; -webkit-backface-visibility: hidden; backface-visibility: hidden; } .slider__nav:checked { -webkit-animation: check 0.4s linear forwards; animation: check 0.4s linear forwards; } .slider__nav:checked:nth-of-type(1) ~ .slider__inner { left: 0%; } .slider__nav:checked:nth-of-type(2) ~ .slider__inner { left: -100%; } .slider__nav:checked:nth-of-type(3) ~ .slider__inner { left: -200%; } .slider__nav:checked:nth-of-type(4) ~ .slider__inner { left: -300%; } .slider__nav:checked:nth-of-type(5) ~ .slider__inner { left: -400%; } .slider__inner { position: absolute; top: 18px; left: 0; width: 500%; height: auto; -webkit-transition: left 0.4s; transition: left 0.4s; display: -webkit-box; display: -webkit-flex; display: -ms-flexbox; display: flex; -webkit-flex-flow: row nowrap; -ms-flex-flow: row nowrap; flex-flow: row nowrap; } .slider__contents { height: 100%; text-align: center; display: -webkit-box; display: -webkit-flex; display: -ms-flexbox; display: flex; -webkit-box-flex: 1; -webkit-flex: 1; -ms-flex: 1; flex: 1; -webkit-flex-flow: column nowrap; -ms-flex-flow: column nowrap; flex-flow: column nowrap; -webkit-box-align: center; -webkit-align-items: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: center; -webkit-justify-content: center; -ms-flex-pack: center; justify-content: center; } .slider__caption { font-size: 12px; color: #111; opacity: .5; font-family: 'Roboto'; font-weight: bold; } .slider__txt { font-size: 12px; font-weight: bold; font-family: 'Roboto'; line-height: 1.7; color: #f86734; max-width: 750px; } quote { font-weight: bold; font-size: 100px; color: #000; margin-bottom: 0; margin-top: 8px; } @-webkit-keyframes check { 50% { outline-color: #333; box-shadow: 0 0 0 12px #333, 0 0 0 36px rgba(51, 51, 51, 0.2); } 100% { outline-color: #333; box-shadow: 0 0 0 0 #333, 0 0 0 0 rgba(51, 51, 51, 0); } } @keyframes check { 50% { outline-color: #333; box-shadow: 0 0 0 12px #333, 0 0 0 36px rgba(51, 51, 51, 0.2); } 100% { outline-color: #333; box-shadow: 0 0 0 0 #333, 0 0 0 0 rgba(51, 51, 51, 0); } } </style> <div class="devsite-article-meta nocontent" role="navigation"> <ul class="devsite-breadcrumb-list" aria-label="Breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://developers.google.com/" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="" > Home </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developers.google.com/products" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="2" track-type="globalNav" track-name="breadcrumb" track-metadata-position="2" track-metadata-eventdetail="" > Products </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developers.google.com/android/play-protect" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="3" track-type="globalNav" track-name="breadcrumb" track-metadata-position="3" track-metadata-eventdetail="Google Play Protect" > Play Protect </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developers.google.com/android/play-protect/client-protections" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="4" track-type="globalNav" track-name="breadcrumb" track-metadata-position="4" track-metadata-eventdetail="" > Google Play Protect </a> </li> </ul> <devsite-thumb-rating position="header"> </devsite-thumb-rating> </div> <h1 class="devsite-page-title" tabindex="-1"> On-device protections </h1> <devsite-feature-tooltip ack-key="AckCollectionsBookmarkTooltipDismiss" analytics-category="Site-Wide Custom Events" analytics-action-show="Callout Profile displayed" analytics-action-close="Callout Profile dismissed" analytics-label="Create Collection Callout" class="devsite-page-bookmark-tooltip nocontent" dismiss-button="true" id="devsite-collections-dropdown" dismiss-button-text="Dismiss" close-button-text="Got it"> <devsite-bookmark></devsite-bookmark> <span slot="popout-heading"> Stay organized with collections </span> <span slot="popout-contents"> Save and categorize content based on your preferences. </span> </devsite-feature-tooltip> <div class="devsite-page-title-meta"><devsite-view-release-notes></devsite-view-release-notes></div> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <div class="devsite-article-body clearfix ">  <p>Google Play Protect includes on-device capabilities that help keep devices and data safe. These on-device services integrate with cloud-based components that allow Google to push updates that constantly improve their functionality.</p> <h2 id="scanning-services" data-text="PHA scanning services" tabindex="-1">PHA scanning services</h2> <p>Google Play Protect leverages cloud-based app-verification services to determine if apps are Potentially Harmful Applications (PHAs). Google Play Protect scans Android devices for evidence of PHAs. It checks all apps on a device, regardless of where the app was downloaded.</p> <h3 id="daily-scan" data-text="Daily PHA scan" tabindex="-1">Daily PHA scan</h3> <img src="/static/android/play-protect/images/no-harmful-apps.png" alt="Google Play Protect" class="attempt-right"> <p>Google Play Protect scans devices once everyday. If a PHA is found, a notification asks the user to remove it. In cases where the PHA has no benefit to users, Google Play Protect can remove the PHA from affected devices and block future installs. Google Play Protect scans 125 billion apps every day. Daily scanning allows Google Play Protect to respond quickly to a detected threat, reducing how long users could be exposed to the threat and how many devices may be affected. To conserve data, these daily scans only contact Google servers to request verification when a suspected PHA is detected.</p> <p>Though Google Play Protect works in the background, users can check when their device was last scanned and view the list of scanned apps in the Google Play Protect section of their Google Play app. <a href="https://support.google.com/android/answer/2812853">Learn how to check your device's security status.</a></p> <h3 id="on-demand-scan" data-text="On-demand PHA scan" tabindex="-1">On-demand PHA scan</h3> <p>In addition to a lightweight, daily, automatic scan, users can start a full-device scan at any time. Upon request, the device contacts Google servers for the latest information and scans all apps on the device. If a harmful app is discovered, Google Play Protect notifies the user to take action or takes action on their behalf. This visibility gives users peace of mind that they have the latest protection at all times.</p> <h3 id="offline-scan" data-text="Offline PHA scan" tabindex="-1">Offline PHA scan</h3> <p>PHA installations can occur when a device is offline or has lost network connectivity. To address this, Google Play Protect has offline scanning, which helps prevent well-known PHAs from being installed offline. When the device regains network connectivity, it undergoes a full scan.</p> <h3 id="auto-disable-phas" data-text="Automatically disable PHAs" tabindex="-1">Automatically disable PHAs</h3> <p>Some PHAs are more harmful than others and we treat them differently depending on the PHA classification. The most harmful PHAs are automatically removed from the device, while less severe PHAs are disabled. A disabled app is unusable but remains on the device, and any data associated with the app is recoverable. When an app is automatically disabled, users are notified and can make the decision to remove the app or re-enable it to make it usable again. If no action is taken, the app remains disabled.</p> <h3 id="real-time-protections" data-text="Real-time protections for non-Play installs" tabindex="-1">Real-time protections for non-Play installs</h3> <p>Google Play Protect offers protection for apps that are installed from sources outside of Google Play. When a user tries to install an app, Play Protect conducts a real-time check of the app against known harmful or malicious samples that Google Play Protect has cataloged.. The app is also checked by on-device machine learning, similarity comparisons and other techniques to confirm if it's suspicious. If the app is identified as malicious or suspicious, we will warn users or block the installation in extreme cases.</p> <p>Google Play Protect also offers new protections for emerging threats that were previously not scanned before. When Play Protect does not recognize any malicious code from the collected samples, it recommends a real-time code-level scan of the app to extract important signals for evaluation by Google. This helps combat novel malicious apps that may have been altered to avoid detection. If a user agrees to scan the app, they will upload the app data to Google for analysis. A short time later, Play Protect will let users know if the app appears safe to install or is potentially harmful.</p> <h3 id="play-integrity-api" data-text="Play Integrity API" tabindex="-1">Play Integrity API</h3> <p>Developers and enterprises can use the <a href="https://developer.android.com/google/play/integrity/overview">Play Integrity API</a> to determine whether a device is compatible with Google Play Protect, whether Play Protect is turned on, and whether it has identified any known PHAs that are installed on the device.</p> <h2 id="developer-appeal" data-text="Appeals" tabindex="-1">Appeals</h2> <p>You can appeal your app's removal from Google Play. We will reinstate apps in appropriate circumstances, including if an error was made and we find that your app does not violate the Google Play <a href="https://play.google.com/about/developer-content-policy/">Developer Program Policies</a> and <a href="https://play.google.com/about/developer-distribution-agreement.html">Developer Distribution Agreement</a>.</p> <p>For more information see, <a href="https://support.google.com/googleplay/android-developer/answer/2477981">My app has been removed from Google Play</a>.</p> </div> <devsite-recommendations display="in-page" hidden yield> </devsite-recommendations> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <devsite-recommendations id="recommendations-link" yield></devsite-recommendations> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>Content and code samples on this page are subject to the licenses described in the <a href="/license">Content License</a>. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.</p> <p>Last updated 2024-10-31 UTC.</p> </devsite-content-footer> <devsite-notification > </devsite-notification> <div class="devsite-content-data"> <template class="devsite-content-data-template"> [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-31 UTC."],[[["Google Play Protect safeguards devices and data with on-device and cloud-based security measures, including daily scans of 125 billion apps to detect and remove Potentially Harmful Applications (PHAs)."],["Users have the option to initiate on-demand full-device scans for immediate security checks and can view their device's security status in the Google Play app."],["Real-time protection is provided for apps installed from sources outside of Google Play, using machine learning and code-level scanning to identify and block potential threats."],["Google Play Protect offers offline scanning capabilities to prevent known PHAs from being installed even without network connectivity, ensuring continuous protection."],["Developers can utilize the Play Integrity API to check device compatibility with Google Play Protect and identify potential PHAs, enhancing app security and user trust."]]],[]] </template> </div> </devsite-content> </main> <devsite-footer-promos class="devsite-footer"> </devsite-footer-promos> <devsite-footer-linkboxes class="devsite-footer"> <nav class="devsite-footer-linkboxes nocontent" aria-label="Footer links"> <ul class="devsite-footer-linkboxes-list"> <li class="devsite-footer-linkbox "> <h3 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