CINXE.COM
ビジネス視点で分かるサイバーのリスクとセキュリティ - ZDNET Japan
<!DOCTYPE html> <html lang="ja"> <head> <meta charset="UTF-8"> <title>ビジネス視点で分かるサイバーのリスクとセキュリティ - ZDNET Japan</title> <meta name="description" content="本連載は、企業を取り巻くサイバーセキュリティに関するさまざまな問題について、ビジネスの視点から考える上でのヒントを提供します。"> <meta name="title" content="ビジネス視点で分かるサイバーのリスクとセキュリティ - ZDNET Japan"> <meta name="viewport" content="width=device-width, initial-scale=1.0,minimum-scale=1.0, user-scalable=yes" /> <meta http-equiv="Content-Script-Type" content="text/javascript"> <meta http-equiv="Content-Style-Type" content="text/css"> <meta name="twitter:card" content="summary"> <meta name="twitter:site" content="@zdnet_japan"> <meta property="fb:app_id" content="1445243325512954"/> <meta property="og:title" content="ビジネス視点で分かるサイバーのリスクとセキュリティ - ZDNET Japan"> <meta property="og:type" content="article"> <meta property="og:description" content="本連載は、企業を取り巻くサイバーセキュリティに関するさまざまな問題について、ビジネスの視点から考える上でのヒントを提供します。"> <meta property="og:url" content="https://japan.zdnet.com/cio/sp_19_bizrisk_sec/"> <meta property="og:image" content="https://japan.zdnet.com/media/z/2023/zd_ogp.png"> <meta property="og:site_name" content="ZDNET Japan"> <meta property="article:publisher" content="https://www.facebook.com/ZDNetJapan"/> <meta name="google-site-verification" content="YxPL_KwBxc7OzzVtjhPNuoDjkcAVuaphOGQvHf1KLec"> <meta name="msvalidate.01" content="4056301A54BB87F40862E212129ADBE6"/> <link rel="shortcut icon" href="https://japan.zdnet.com/favicon.ico"> <link rel="icon" type="image/png" sizes="16x16" href="https://japan.zdnet.com/icon-16x16.png"> <link rel="icon" type="image/png" sizes="32x32" href="https://japan.zdnet.com/icon-32x32.png"> <link rel="icon" type="image/png" sizes="96x96" href="https://japan.zdnet.com/icon-96x96.png"> <link rel="icon" type="image/png" sizes="160x160" href="https://japan.zdnet.com/icon-160x160.png"> <link rel="icon" type="image/png" sizes="192x192" href="https://japan.zdnet.com/icon-192x192.png"> <link rel="apple-touch-icon" sizes="180x180" href="https://japan.zdnet.com/apple-touch-icon.png"> <link rel="apple-touch-icon" sizes="57x57" href="https://japan.zdnet.com/apple-touch-icon-57x57.png"> <link rel="apple-touch-icon" sizes="60x60" href="https://japan.zdnet.com/apple-touch-icon-60x60.png"> <link rel="apple-touch-icon" sizes="72x72" href="https://japan.zdnet.com/apple-touch-icon-72x72.png"> <link rel="apple-touch-icon" sizes="76x76" href="https://japan.zdnet.com/apple-touch-icon-76x76.png"> <link rel="apple-touch-icon" sizes="114x114" href="https://japan.zdnet.com/apple-touch-icon-114x114.png"> <link rel="apple-touch-icon" sizes="120x120" href="https://japan.zdnet.com/apple-touch-icon-120x120.png"> <link rel="apple-touch-icon" sizes="144x144" href="https://japan.zdnet.com/apple-touch-icon-144x144.png"> <link rel="apple-touch-icon" sizes="152x152" href="https://japan.zdnet.com/apple-touch-icon-152x152.png"> <link rel="apple-touch-icon" sizes="180x180" href="https://japan.zdnet.com/apple-touch-icon-180x180.png"> <meta name="msapplication-TileImage" content="https://japan.zdnet.com/apple-touch-icon-144x144.png"/> <meta name="msapplication-TileColor" content="#FFFFFF"/> <link rel="stylesheet" type="text/css" href="https://japan.zdnet.com/static/css/arowana/common2023.css?1736135661"> <link rel="stylesheet" type="text/css" href="https://japan.zdnet.com/static/css/iziModal.min.css?1536722965"> <link rel="alternate" type="application/rss+xml" title="ZDNet Japan RSS" href="http://feed.japan.zdnet.com/rss/index.rdf"> <link rel='next' href='https://japan.zdnet.com/cio/sp_19_bizrisk_sec/2/'> <link rel='canonical' href='https://japan.zdnet.com/cio/sp_19_bizrisk_sec/'> <script type="text/javascript"> /** */ function getCookie(d) { var a = document.cookie.split(";"); for (var c = 0; c < a.length; c++) { var b = a[c]; b = b.replace(/^\s+|\s+$/g, ""); var f = b.indexOf("="); if (b.substring(0, f) == d) { return unescape(b.slice(f + 1)) } } return "" } /** */ function setCookie(b, j, g, e, d, a) { var h = new Date().getTime(); var f = new Date(h + (e * 1000)).toUTCString(); var i = b + "=" + escape(g) + "; path=" + j; if (e) { i += "; expires=" + f } if (d) { i += "; domain=" + d } if (a === true) { i += "; Secure" } document.cookie = i } window.AI = {}; window.AI.load = false; window.AI.segments = ''; window.AI.CNAME = '_aseg'; </script> <script type="text/javascript"> var cookie_name1 = 'CNET_ID_LOGINED'; var cookie_name2 = '_aicid'; var f1 = false; var f2 = false; if (window.navigator.cookieEnabled && document.cookie) { var cookies = document.cookie.split("; "); for (var i = 0; i < cookies.length; i++) { var str = cookies[i].split("="); var cookie_value; if (str[0] == cookie_name1) { var cookie_value = unescape(str[1]); if (cookie_value && typeof (cookie_value) != 'undefined') f1 = true; } if (str[0] == cookie_name2) { var cookie_value = unescape(str[1]); if (cookie_value && typeof (cookie_value) != 'undefined') f2 = true; } } if (f1 && !f2) { var xhr = new XMLHttpRequest(); xhr.open('GET', '/direct/ajax/aicid.htm'); xhr.onload = function() { if (xhr.readyState === 4) { if (xhr.status === 200) { if (typeof setAicid === 'function') { setAicid(); } } } }; xhr.send(); } } </script> <script type="text/javascript" defer src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js"></script> <script type="text/javascript" defer src="https://japan.zdnet.com/static/js/arowana/common2023.js?1730944244"></script> <!-- Google Tag Manager --> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl+ '>m_auth=ZpxSTrfDBrMWMIPkcXg4YQ>m_preview=env-1>m_cookies_win=x';f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-PMN9PLB');</script> <!-- End Google Tag Manager --> <script type="text/javascript" id="f1h"> (function(b){function f(){var d=this;d.stack={};d.displayAd=function(){};d.requestAds=function(a){var c=b[b.a];if(0===(a||{}).sectionId||(a||{}).sectionId)try{c.requestAds.call(c,a)}catch(e){d.stack[a.sectionId+(a.instance?"_"+a.instance:"")]=a}};d.setGlobalCustomParams=function(a){var c=b[b.a];try{c.setGlobalCustomParams.call(c,a)}catch(e){d.globalCustomParams=a||{}}}}function g(b){var a=e.createElement("script"),c=e.getElementsByTagName("script")[0];a.type="text/javascript";a.src=b;a.async=!0;-1!== navigator.userAgent.indexOf("Opera")?setTimeout(function(){c.parentNode.insertBefore(a,c)},0):c.parentNode.insertBefore(a,c)}var e=b.document;try{b.__putPixel(200100)}catch(k){}b.a="__ASL__";var h=("https:"===e.location.protocol?"https:":"http:")+"//img.ak.impact-ad.jp/fh/showad_9b57b231.js";if("undefined"===typeof b.__ASL_LIB_LOADED){g(h);try{b.__putPixel(200200)}catch(l){}}b.__ASL_LIB_LOADED=1;b["TagProvider"]=b["TagProvider"]||new f})(window); </script></head> <body> <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PMN9PLB>m_auth=ZpxSTrfDBrMWMIPkcXg4YQ>m_preview=env-1>m_cookies_win=x" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <script> window.dataLayer = window.dataLayer || []; var logged = getCookie("CNET_ID_LOGINED"); if (logged == "") { dataLayer.push({cnet_id_login: "logout"}); } else { dataLayer.push({cnet_id_login: "login"}); } dataLayer.push({channel: "cio"}); </script> <script> (function(i,s,o,g,r,a,m){i["GoogleAnalyticsObject"]=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,"script","https://www.google-analytics.com/analytics.js","ga"); ga("create", "UA-15056471-4", "auto", {"allowLinker": true}); ga("require", "linker"); ga("linker:autoLink", ["s.japan.zdnet.com", "japan.cnet.com", "japan.techrepublic.com"]); var logged = getCookie("CNET_ID_LOGINED"); if (logged == "") { ga("set", "dimension2", "logout"); } else { ga("set", "dimension2", "login"); if (logged != "logined") { ga("set", "dimension3", logged); } } ga(function (tracker) { ga("set", "dimension12", tracker.get("clientId")); }); function setAicid() { if (getCookie("_aicid") !== "") { ga("set", "dimension13", getCookie("_aicid")); ga("set", "userId", getCookie("_aicid")); } } setAicid(); ga("set", "contentGroup1", "cio"); /* */ if ( window.location.pathname.match((/\/paper\/\d{8}\//))) { var qs = window.location.search.slice(1); var _params = qs.split('&'); for (var i = 0; i < _params.length; i++) { var params = _params[i].split('='); if (params.length > 1 && params[0] === 'utm') { var ubpos = params[1].indexOf('_'); if (ubpos > -1) { var name = params[1].slice(0,ubpos); var content = params[1].slice(ubpos+1); ga('set', { campaignSource: 'wpmail', campaignMedium: 'email', campaignName: name, campaignKeyword: name, campaignContent: content }); var path = window.location.pathname.replace('paper', 'wpclick'); path = path + window.location.search; ga('send', 'pageview', path); window.AI.wpclick = true; break; } } } } function send_ua() { window.dataLayer = window.dataLayer || []; /* */ if ( window.AI.wpclick ) { ga('send', 'pageview', window.location.pathname); } else { ga('send', 'pageview'); } dataLayer.push({'event': 'set_ip2cinfo'}); } </script> <script> window.lbcuaArgs = { "createUA": function () { }, "setDimension": function (values) { if (values.rs_code == "0") { ga("set", "dimension6", values.company_name); ga("set", "dimension7", values.company_addr); ga("set", "dimension8", values.company_tel); ga("set", "dimension11", values.industry_name_l); ga("set", "dimension9", values.sales_range); } }, "sendPageview": function (values) { send_ua(); } }; window.addEventListener("error", function (ev) { if (ev.filename.indexOf("//cdn.cookie.sync.usonar.jp/live_acsess/") > -1) { send_ua(); } }); </script> <!--AD_ALL--> <div id="ad_all_bundle"> <script type='text/javascript'>window.AI.F1Param = {sectionId: 9405, dmp: true, sync: false , slot_sizes:[{id: "7915", "viewports":[{"minwidth":320, "sizes":["320x50","320x100"]},{"minwidth":728, "sizes":["728x90","728x180"]},{"minwidth":970, "sizes":["728x90","728x180","970x250"]}]}, {id: "7916", "viewports":[{"minwidth":320, "sizes":["320x50","320x100"]},{"minwidth":728, "sizes":["728x90","728x180"]},{"minwidth":970, "sizes":["728x90","728x180","970x250"]}]}] , custom:{zone:"cio_sp_19_bizrisk_sec",keyword:["cio","sp_19_bizrisk_sec"],} }; window.AI.photoreport_section = {"SECTION_ID":["9406"],"WALLPAPER":["7928","ad_wallpaper","wp"],"LARGE":["7929","ad_large"],"FLARGE":["7930","ad_footerlarge"],"RECT":["7931","ad_rect"],"VRECT":["7932","ad_vrect"],"TEXT":["7933","ad_text","text"],"TEXT2":["7934","ad_text","text_append"],"TEXT3":["7935","ad_text","text_append"],"TEXT4":["7936","ad_text","text_append"],"UNDERTEXT":["7937","ad_textbottom","text"],"UNDERTEXT2":["7938","ad_textbottom","text_append"],"UNDERTEXT3":["7939","ad_textbottom","text_append"],"UNDERTEXT4":["7941","ad_textbottom","text_append"]}; window.AI.photoreport_slotsize = [{id: "7929", "viewports":[{"minwidth":320, "sizes":["320x50","320x100"]},{"minwidth":728, "sizes":["728x90","728x180"]},{"minwidth":970, "sizes":["728x90","728x180","970x250"]}]}, {id: "7930", "viewports":[{"minwidth":320, "sizes":["320x50","320x100"]},{"minwidth":728, "sizes":["728x90","728x180"]},{"minwidth":970, "sizes":["728x90","728x180","970x250"]}]}]; </script> <script type="text/javascript"> (function(){ /**/ window.AI.hideSplash = function(){ var s = document.getElementById("splash"); s.style.display = "none"; s.innerHTML = ""; document.getElementById("block_elu").style.display = "block"; document.getElementsByTagName("body")[0].style.overflow = "auto"; document.removeEventListener("scroll", window.AI.scrollStop); }; document.addEventListener("DOMContentLoaded", function () { document.getElementById("splash-continue-link").addEventListener("click", function (e) { e.preventDefault(); window.AI.hideSplash(); }); }); window.AI.scrollpos = 0; window.AI.setSplash = function(img, url, color){ var s = document.getElementById("splash"); if (s.innerHTML != "") { document.getElementById("splash-link").href = url; document.getElementById("splash-image").src = img; window.AI.scrollpos = window.scrollY; document.addEventListener("scroll", window.AI.scrollStop); s.style.display = "block"; s.style.height = window.screenHeight; if (color) { s.style.backgroundColor = color; document.getElementById("splash-container").style.backgroundColor = color; } setTimeout(window.AI.hideSplash, 22000); } }; window.AI.setSplashT = function(url, color){ var s = document.getElementById("splash"); if (s.innerHTML != "") { var childeElem = document.getElementById("splash-link"); childeElem.parentNode.removeChild(childeElem); var ifr = document.createElement("iframe"); ifr.src = url; ifr.style.width = "750px"; ifr.style.height = "450px"; ifr.style.border = "none"; ifr.style.overflow = "none"; document.getElementById("splash-container").appendChild(ifr); window.AI.scrollpos = window.scrollY; document.addEventListener("scroll", window.AI.scrollStop); s.style.display = "block"; s.style.height = window.screenHeight; if (color) { s.style.backgroundColor = color; document.getElementById("splash-container").style.backgroundColor = color; } setTimeout(window.AI.hideSplash, 22000); } }; window.AI.scrollStop =function() { window.scrollTo(0, window.AI.scrollpos); }; window.AI.setWP = function(bg, url){ var pgw = document.getElementById("page-wrap"); if (pgw == null) { setTimeout(function () { window.AI.setWP(bg, url); }, 10); return; } pgw.style.cursor = "default"; var adl = document.getElementById("ad_large"); adl.firstElementChild.style.paddingTop = "0"; var rbw = document.getElementById("rbWrap"); rbw.style.background = "url('" + bg + "') no-repeat top"; rbw.style.cursor = "pointer"; window.AI.clickWP = function(e){ if (e.target.id == "rbWrap") { window.open(url); } }; rbw.addEventListener("click", window.AI.clickWP); }; window.AI.unsetWP = function(){ var adl = document.getElementById("ad_large"); adl.style.paddingTop = ""; var rbw = document.getElementById("rbWrap"); rbw.style.background = ""; rbw.style.cursor = "default"; rbw.removeEventListener("click", window.AI.clickWP); }; window.AI.insertTextAd = function(title,url,node){ if (node) { var a = document.createElement("a"); a.href = url; a.target = "_blank"; a.rel = "noopener"; a.innerText = title; var li = document.createElement("li"); li.appendChild(a); node.appendChild(li); } }; /** * * @param img_url * @param link_url * @param title * @param summary * @param type */ window.AI.setF = function(img_url, link_url, title, summary, type) { /**/ var element = document.getElementById('gdpr_area'); var f_bottom = element.clientHeight; /**/ var dom_ad_float = document.getElementById('ad_float'); /**/ var dom_floating = document.createElement("div"); if (type.toLowerCase() === 'a') { dom_floating.classList.add('floating_banner_a'); } else { dom_floating.classList.add('floating_banner_b'); } /**/ var html_body = ''; html_body += '<div class="floating_box">'; html_body += '<span class="close_btn"></span>'; html_body += '<div class="thumb"><img src="' + img_url + '"></div>'; html_body += '<div class="content">'; html_body += '<span class="title">' + title + '</span>'; html_body += '<span class="summary">' + summary + '</span>'; html_body += '</div">'; dom_floating.innerHTML = html_body; /**/ dom_floating.getElementsByClassName('floating_box')[0].style.bottom = f_bottom + '.px'; /**/ var thumb_elem = dom_floating.getElementsByClassName('thumb')[0]; thumb_elem.addEventListener('click', function(){ location.href = link_url; }); var content_elem = dom_floating.getElementsByClassName('content')[0]; content_elem.addEventListener('click', function(){ location.href = link_url; }); var close_btn_elem = dom_floating.getElementsByClassName('close_btn')[0]; close_btn_elem.addEventListener('click', function(){ dom_floating.classList.add('content_hidden'); }); /**/ dom_ad_float.appendChild(dom_floating); } /** * */ window.AI.unsetF = function(){ } }()); </script> </div> <!--//AD_ALL--> <script type="text/javascript"> var call_count = 0; var limit = 10; !function(t,e){if(void 0===e[t]){e[t]=function(){e[t].clients.push(this),this._init=[Array.prototype.slice.call(arguments)]},e[t].clients=[];for(var r=function(t){return function(){return this["_"+t]=this["_"+t]||[],this["_"+t].push(Array.prototype.slice.call(arguments)),this}},s=["blockEvents","fetchServerCookie","unblockEvents","setSignedMode","setAnonymousMode","resetUUID","addRecord","fetchGlobalID","set","trackEvent","trackPageview","trackClicks","ready"],n=0;n<s.length;n++){var o=s[n];e[t].prototype[o]=r(o)}var c=document.createElement("script");c.type="text/javascript",c.async=!0,c.src=("https:"===document.location.protocol?"https:":"http:")+"//cdn.treasuredata.com/sdk/2.3/td.min.js";var a=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(c,a)}}("Treasure",this); var _getCookie = function (key) { var counter, _key, _val, cookies = document.cookie.split(';'); for (counter = 0; counter < cookies.length; counter++) { if (_key = cookies[counter].substr(0, cookies[counter].indexOf('=')), _val = cookies[counter].substr(cookies[counter].indexOf('=') + 1), _key = _key.replace(/^\s+|\s+$/g, ''), _key === key) return unescape(_val); } return ''; }; var td = new Treasure({ host: 'in.treasuredata.com', writeKey: '8189/a9e385bc8228de801d854ac1ddfef6b59eb3517f', database: 'datas', startInSignedMode: true, useServerSideCookie: false }); window.AI.td = td; function td_push() { if (typeof __LBCUA === "undefined") { if (call_count < limit) { call_count += 1; setTimeout(function () { td_push(); }, 500); return; } } else if (typeof __LBCUA.values === "undefined" || __LBCUA.values === null) { if (call_count < limit) { call_count += 1; setTimeout(function () { td_push(); }, 500); return; } } window.AI = window.AI || []; segment_names = window.AI.segment_names || ''; td.set('access', {member_key: _getCookie('_aicid')}); td.set('$global', 'td_global_id', 'td_global_id'); td.set('access', 'segment_names', segment_names); if (typeof __LBCUA !== "undefined" && typeof __LBCUA.values !== "undefined" && __LBCUA.values !== null) { if (__LBCUA.values.rs_code == "0") { td.set('access', 'company_name', __LBCUA.values.company_name); td.set('access', 'company_addr', __LBCUA.values.company_addr); td.set('access', 'company_tel', __LBCUA.values.company_tel); td.set('access', 'industry_name_l', __LBCUA.values.industry_name_l); td.set('access', 'sales_range', __LBCUA.values.sales_range); } } td.trackClicks(); td.trackPageview('access'); }; if (window.AI.F1Param) { TagProvider.requestAds(window.AI.F1Param); } td_push(); function td_event_push(category, action, label, value){ td.set('events', 'category', category); td.set('events', 'action', action); td.set('events', 'label', label); td.set('events', 'value', value); td.trackEvent('events'); } </script><div id="ad_splash"><div id="7914_9405"><script type="text/javascript">try{ TagProvider.displayAd('7914_9405')}catch(err){}</script></div></div><div id="splash" style="display:none;"> <div id="splash-header"> <a href="" id="splash-continue-link">Continue to ZDNET Japan</a> </div> <div id="splash-container"> <a href="" target="_blank" id="splash-link"><img src="" border="0" id="splash-image"></a> </div> </div><!-- AD WALLPAPER --> <div id="ad_wallpaper" style="display:none;"> <div id="7913_9405"><script type="text/javascript">try{ TagProvider.displayAd('7913_9405')}catch(err){}</script></div> </div> <!-- //AD WALLPAPER --><!-- block_elu --> <div id="block_elu"> <header id="header-main"> <div class="c-siteHeader"> <nav class="c-siteHeaderNavigation g-grid-container u-grid-columns"> <span class="md:u-col-1 lg:u-col-3"><a href="/" aria-current="page" title="ZDNET" class="c-siteHeaderMasthead"><div class="c-siteLogo"><svg class="c-siteLogo_image c-siteLogo_image-header c-siteLogo_image-color-text"><use xlink:href="#logo"></use></svg></div></a></span> <div class="c-siteHeaderNavigation_shelves md:u-col-5 lg:u-col-9"> <div class="c-siteHeaderNavigation_topicShelf"> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/sp/">特集</a></span> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/archives/foreign/">海外発</a></span> </div> <div class="js-mouseover-trigger c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text">業界DX</a></span> <div data-item="navMenu" class="c-sitePrimaryMenu_subNav"> <div class="c-siteMenuList g-grid-container u-grid-columns"> <ul class="c-siteMenuList_column" style="position: relative; right: 60%;"> <li class="c-siteMenuList_item"><a href="/manufacturing_it/" class="c-siteMenuList_link">製造</a></li> <li class="c-siteMenuList_item"><a href="/marketing/sp_21retail_tech/" class="c-siteMenuList_link">流通</a></li> <li class="c-siteMenuList_item"><a href="/cio/sp_23education_tech/" class="c-siteMenuList_link">教育</a></li> </ul> </div> </div> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/cio/">CIO/経営</a></span> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/it-infrastructure/">ITインフラ</a></span> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/security/">セキュリティ</a></span> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/cloud/">クラウド</a></span> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/bigdata/">データマネジメント</a></span> </div> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/software/">ソフトウェア</a></span> </div> <div class="js-mouseover-trigger c-sitePrimaryMenu c-sitePrimaryMenu_hasSubNav"> <span class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink"><a class="c-sitePrimaryMenu_text" href="/sp/">Special</a></span> <div data-item="navMenu" class="c-sitePrimaryMenu_subNav"> <div class="c-siteMenuList g-grid-container u-grid-columns"> <ul class="c-siteMenuList_column"> <li class="c-siteMenuList_item"><a href="/extra/digital_trust_now/" class="c-siteMenuList_link">[広告特集]Digital Trust Now</a></li> <li class="c-siteMenuList_item"><a href="/extra/eset_microsite_202402/" class="c-siteMenuList_link">[広告特集]データを守る、企業を守る</a></li> </ul> </div> </div> </div> </div> <div class="c-siteHeaderNavigation_buttonShelf"> <span class="c-siteHeaderNavigation_sloganWrapper"> <div> <a class="c-siteHeaderNavigation_slogan" href="https://japan.zdnet.com/article/35229254/">新着の記事まとめPDF:ITエンジニアの転職事情</a><br/> </div> </span> <div class="c-siteHeaderNavigation_item"> <div class="js-expand-trigger c-sitePrimaryMenu_hasSubNav"> <div class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink c-sitePrimaryMenu_itemIcon"> <svg class="c-sitePrimaryMenu_globeIcon"> <use xlink:href="#globe" aria-hidden="false"></use> </svg> </div> <div class="c-sitePrimaryMenu_subNav"> <div class="c-siteMenuList g-grid-container"> <ul class="c-siteMenuList_column"> <li class="c-siteMenuList_item"><a href="https://www.zdnet.com/" target="_blank" class="c-siteMenuList_link">ZDNET United States</a></li> <li class="c-siteMenuList_item"><a href="https://www.zdnet.fr/" target="_blank" class="c-siteMenuList_link">ZDNET France</a></li> <li class="c-siteMenuList_item"><a href="https://www.zdnet.de/" target="_blank" class="c-siteMenuList_link">ZDNET Germany</a></li> <li class="c-siteMenuList_item"><a href="https://www.zdnet.co.kr/" target="_blank" class="c-siteMenuList_link">ZDNET Korea</a></li> </ul> </div> </div> </div> </div> <!-- search --> <div class="c-siteHeaderNavigation_item"> <div class="js-expand-trigger c-sitePrimaryMenu c-sitePrimaryMenuSearch c-sitePrimaryMenu_hasSubNav"> <div class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink c-sitePrimaryMenu_itemIcon"> <svg class="c-sitePrimaryMenu_magIcon"> <use xlink:href="#mag" aria-hidden="false"></use> </svg> </div> <!--<div class="c-smartSearch c-sitePrimaryMenu_subNav c-sitePrimaryMenu_subNav"> <div class="g-grid-container u-grid-columns c-smartSearch-grid"> <div class="sm:u-col-hide md:u-col-hide lg:u-col-3"></div> <div class="sm:u-col-2 md:u-col-6 lg:u-col-9"> <form class="c-smartSearch_form"><input type="search" name="query" value=""> <button type="submit"><span class="search-go">Go</span> <svg> <use xlink:href="#arrow-thin" aria-hidden="false"></use> </svg> </button> </form> </div> </div> </div>--> </div> <div class="c-smartSearch c-sitePrimaryMenu_subNav c-sitePrimaryMenu_subNav"> <div class="g-grid-container u-grid-columns c-smartSearch-grid"> <div class="sm:u-col-hide md:u-col-hide lg:u-col-3"></div> <div class="sm:u-col-2 md:u-col-6 lg:u-col-9"> <form action="/search/" id="cse-search-box" class="c-smartSearch_form"> <input type="hidden" name="ie" value="UTF-8"> <input type="text" name="q" size="55" class="search_text_google" placeholder="カスタム検索" style="border: 1px solid rgb(126, 157, 185); padding: 2px; background: url(https://www.google.com/cse/static/images/1x/googlelogo_lightgrey_46x16dp.png) left center no-repeat rgb(255, 255, 255); text-indent: 48px;"> <button type="submit" name="sa" class="search_btn" value="1"><span class="search-go">Go</span> <svg> <use xlink:href="#arrow-thin" aria-hidden="false"></use> </svg> </button> <input name="siteurl" type="hidden" value="japan.zdnet.com/"> <input name="ss" type="hidden" value=""> </form> </div> </div> </div> </div> <!-- login --> <div class="c-siteHeaderNavigation_item"> <div class="js-expand-trigger c-sitePrimaryMenu_hasSubNav"> <div class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink c-sitePrimaryMenu_itemIcon"> <svg class="c-siteHeaderNavigation_loginButton"> <use xlink:href="#user" aria-hidden="false"></use> </svg> </div> <div data-item="navMenu" class="c-sitePrimaryMenu_subNav"> <div class="c-siteMenuList g-grid-container"> <div id="no_login_header_menu"> <ul class="c-siteMenuList_column"> <li class="c-siteMenuList_item"><span><a class="c-siteMenuList_link" href="https://s.japan.zdnet.com/membership/register/" id="header_register_link" data-url="https://s.japan.zdnet.com/membership/new_register/?next=68747470733a2f2f6a6170616e2e7a646e65742e636f6d2f63696f2f73705f31395f62697a7269736b5f7365632f236865616465725f6c696e6b" data-ga_category="cnet_id_register" data-ga_label="header_register_link">新規登録</a></span></li> <li class="c-siteMenuList_item"><span><a class="c-siteMenuList_link" href="https://s.japan.zdnet.com/membership/login/" id="header_login_link" data-url="https://s.japan.zdnet.com/membership/?layout=dialog">ログイン</a></span></li> <li class="c-siteMenuList_item"><span><a class="c-siteMenuList_link" href="https://s.aiasahi.jp/contact/inquiry.htm" rel="nofollow" target="_blank">FAQ</a></span></li> </ul> </div> <div id="logined_header_menu"> <ul class="c-siteMenuList_column"> <li class="c-siteMenuList_item"><span><a class="c-siteMenuList_link" href="https://s.japan.zdnet.com/membership/">My ページ</a></span></li> <li class="c-siteMenuList_item"><span><a class="c-siteMenuList_link" href="https://s.japan.zdnet.com/membership/logout/" id="header_logout_link">ログアウト</a></span></li> <li class="c-siteMenuList_item"><span><a class="c-siteMenuList_link" href="https://s.aiasahi.jp/contact/inquiry.htm" rel="nofollow" target="_blank">FAQ</a></span></li> </ul> </div> </div> </div> </div> </div> <!-- submenu square --> <div class="c-siteHeaderNavigation_item c-siteHeaderNavigation-more"> <div class="js-expand-trigger c-sitePrimaryMenu c-sitePrimaryMenu-more c-sitePrimaryMenu_hasSubNav"> <div class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink c-sitePrimaryMenu_itemIcon"> <svg class="c-sitePrimaryMenu_menuIcon"> <use xlink:href="#menu" aria-hidden="false"></use> </svg> </div> <div data-item="navMenu" class="c-sitePrimaryMenu_subNav"> <div class="c-siteMenuList g-grid-container"> <ul class="c-siteMenuList_column"> <li class="c-siteMenuList_item c-siteMenuList_item-primary"><a class="c-siteMenuList_link" href="/marketing/">マーケティング</a></li> <li class="c-siteMenuList_item c-siteMenuList_item-primary"><a class="c-siteMenuList_link" href="/mobile/">クライアント</a></li> <li class="c-siteMenuList_item c-siteMenuList_item-primary"><a class="c-siteMenuList_link" href="/off-topic/">オフトピ</a></li> <li class="c-siteMenuList_item c-siteMenuList_item-primary"><a class="c-siteMenuList_link" href="/archives/">アーカイブ</a></li> </ul> </div> </div> </div> </div> <!-- sp menu --> <div class="c-siteHeaderNavigation_item"> <div class="c-sitePrimaryMenu c-sitePrimaryMenu_accordion c-sitePrimaryMenu_hasSubNav"> <div class="c-sitePrimaryMenu_item c-sitePrimaryMenu_itemLink c-sitePrimaryMenu_itemIcon"> <svg class="c-sitePrimaryMenu_menuIcon"> <use xlink:href="#menu" aria-hidden="false"></use> </svg> </div> <div class="c-siteAccordionMenu c-sitePrimaryMenu_subNav"> <div class="c-siteAccordionMenu_content"><a class="c-siteAccordionMenu_closeButton"> <svg> <use xlink:href="#close" aria-hidden="false"></use> </svg> </a> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/sp/">特集</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/archives/foreign/">海外発</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link">業界DX</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/manufacturing_it/">製造</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/marketing/sp_21retail_tech/">流通</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/cio/sp_23education_tech/">教育</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/cio/">CIO/経営</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/it-infrastructure/">ITインフラ</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/security/">セキュリティ</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/cloud/">クラウド</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/bigdata/">データマネジメント</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/marketing/">マーケティング</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/software/">ソフトウェア</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/mobile/">クライアント</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/off-topic/">オフトピ</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/archives/">アーカイブ</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/extra/digital_trust_now/">[広告特集]Digital Trust Now</a></li> </ul> <ul class="c-siteAccordionMenu_section"> <li class="c-siteAccordionMenu_sectionToggle"><a class="c-siteAccordionMenu_link" href="/extra/eset_microsite_202402/">[広告特集]データを守る、企業を守る</a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </header> <div id="rbWrap"> <!-- AD_LARGE --> <div id="ad_large" class="ad-bnr-large ad_container"> <div id="7915_9405"><script type="text/javascript">try{ TagProvider.displayAd('7915_9405')}catch(err){}</script></div></div><!--/#ad_large--> <!-- AD_LARGE END --> <div id="page-wrap" class="pg-container pg-container-col2"> <div class="pg-container-main"> <main> <!-- breadcrumbs --> <div class="breadcrumb"> <ul> <li class="home"> <a href="/">ZDNET Japan</a> </li> <li> <a href="/cio/">CIO/経営</a> </li> <li> <a href="/cio/sp_19_bizrisk_sec/">ビジネス視点で分かるサイバーのリスクとセキュリティ</a> </li> </ul> </div> <script type="application/ld+json">{"@context":"http:\/\/schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/japan.zdnet.com\/","name":"ZDNET Japan"}},{"@type":"ListItem","position":2,"item":{"name":"CIO\uff0f\u7d4c\u55b6","@id":"https:\/\/japan.zdnet.com\/cio\/"}},{"@type":"ListItem","position":3,"item":{"name":"\u30d3\u30b8\u30cd\u30b9\u8996\u70b9\u3067\u5206\u304b\u308b\u30b5\u30a4\u30d0\u30fc\u306e\u30ea\u30b9\u30af\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3","@id":"https:\/\/japan.zdnet.com\/cio\/sp_19_bizrisk_sec\/"}}]}</script><!-- //breadcrumbs --> <header> <div class="article-header special-header"> <div class="article-header-primary"> <div class="article-header-thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/584/438/d/bizsecurity-risk.jpg" alt="ビジネス視点で分かるサイバーのリスクとセキュリティ"> </div> <div class="article-header-ttl"> <span class="article-header-label">特集</span> <h1 id="story_title_disp">ビジネス視点で分かるサイバーのリスクとセキュリティ</h1> </div> </div> <div class="article-header-meta"> <p class="special-header-summary">本連載は、企業を取り巻くサイバーセキュリティに関するさまざまな問題について、ビジネスの視点から考える上でのヒントを提供します。</p> </div> </div> </header> <div class="pg-mod"> <div class="article-sns"> <ul class="article-sns-btn"> <li class="fb"><div class="fb-root"></div> <div class="fb-share-button" data-href="https://japan.zdnet.com/cio/sp_19_bizrisk_sec/" data-layout="button" data-size="small"> <a target="_blank" href="https://www.facebook.com/sharer/sharer.php?u=https://japan.zdnet.com/cio/sp_19_bizrisk_sec/&src=sdkpreparse" class="fb-xfbml-parse-ignore">シェア</a> </div> </li> <li class="tw"><a href="https://twitter.com/share?ref_src=twsrc%5Etfw" class="twitter-share-button" data-via="zdnet_japan" data-lang="ja" data-show-count="false">Tweet</a> </li> <li class="habebu"><a href="https://b.hatena.ne.jp/entry/https%3A%2F%2Fjapan.zdnet.com%2Fcio%2Fsp_19_bizrisk_sec%2F" class="hatena-bookmark-button" data-hatena-bookmark-layout="simple-balloon" title="このエントリーをはてなブックマークに追加"> <img src="https://b.st-hatena.com/images/v4/public/entry-button/button-only@2x.png" alt="このエントリーをはてなブックマークに追加" width="20" height="20" style="border: none;" /> </a> </li> <li class="note"><div class="sns_note_kaku"> <a href="https://note.mu/intent/post?url=https%3A%2F%2Fjapan.zdnet.com%2Fcio%2Fsp_19_bizrisk_sec%2F&ref=https%3A%2F%2Fjapan.zdnet.com%2Fcio%2Fsp_19_bizrisk_sec%2F&hashtags=ZDNET" class="" target="_blank"> <img src="/media/c/2012/images/responsive/logo_symbol_White.svg" alt="note" width="26"/><span>noteで書く</span> </a> </div> </li> <li class="pocket"><a data-save-url="https://japan.zdnet.com/cio/sp_19_bizrisk_sec/" data-pocket-label="pocket" data-pocket-count="horizontal" class="pocket-btn" data-lang="en"></a> </li> </ul> </div> </div> <!-- ad_text --> <div class="pg-mod" id="ad_text"> <ul class="ad-txt"> <div id="7920_9405"><script type="text/javascript">try{ TagProvider.displayAd('7920_9405')}catch(err){}</script></div><div id="7921_9405"><script type="text/javascript">try{ TagProvider.displayAd('7921_9405')}catch(err){}</script></div><div id="7922_9405"><script type="text/javascript">try{ TagProvider.displayAd('7922_9405')}catch(err){}</script></div><div id="7923_9405"><script type="text/javascript">try{ TagProvider.displayAd('7923_9405')}catch(err){}</script></div> </ul> </div> <!-- //ad_text --> <section> <div class="pg-mod"> <h2 class="ttl-line-center"><span>新着</span></h2> <ul class="list-thumb-s list-thumb-2col"> <li> <a href="/article/35226368/"> <div class="thumb"><img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/120/90/d/bizsecurity-risk.jpg" alt="業務委託先でのセキュリティインシデントを防ぐためにできること"></div> <div class="txt"> <p class="txt-ttl">業務委託先でのセキュリティインシデントを防ぐためにできること</p> <p class="txt-update">2024-11-25 06:00</p> </div> </a> </li> <li> <a href="/article/35218468/"> <div class="thumb"><img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/120/90/d/bizsecurity-risk.jpg" alt="セキュリティインシデントの発生時にどこまで情報開示すべきか"></div> <div class="txt"> <p class="txt-ttl">セキュリティインシデントの発生時にどこまで情報開示すべきか</p> <p class="txt-update">2024-05-09 06:00</p> </div> </a> </li> <li> <a href="/article/35211913/"> <div class="thumb"><img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/120/90/d/bizsecurity-risk.jpg" alt="セキュリティ運用で目指すAIを活用した「MTTD」と「MTTR」の削減"></div> <div class="txt"> <p class="txt-ttl">セキュリティ運用で目指すAIを活用した「MTTD」と「MTTR」の削減</p> <p class="txt-update">2023-12-01 06:00</p> </div> </a> </li> <li> <a href="/article/35206402/"> <div class="thumb"><img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/120/90/d/bizsecurity-risk.jpg" alt="グローバル展開する企業が抱える「最大の脆弱性」への解決策"></div> <div class="txt"> <p class="txt-ttl">グローバル展開する企業が抱える「最大の脆弱性」への解決策</p> <p class="txt-update">2023-07-14 06:00</p> </div> </a> </li> <li> <a href="/article/35204440/"> <div class="thumb"><img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/120/90/d/bizsecurity-risk.jpg" alt="運用して分かるEDR効果の限界とXDRが出現している理由"></div> <div class="txt"> <p class="txt-ttl">運用して分かるEDR効果の限界とXDRが出現している理由</p> <p class="txt-update">2023-06-01 06:00</p> </div> </a> </li> <li> <a href="/article/35202105/"> <div class="thumb"><img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/120/90/d/bizsecurity-risk.jpg" alt="ビジネスリスクを防ぐためのセキュリティベンダーとの付き合い方"></div> <div class="txt"> <p class="txt-ttl">ビジネスリスクを防ぐためのセキュリティベンダーとの付き合い方</p> <p class="txt-update">2023-04-07 06:00</p> </div> </a> </li> </ul> </div> </section> <div class="pg-mod"> <h2 class="ttl-line-center"><span>Special <strong>PR</strong></span></h2> <ul class="list-disc"> <li><a href="https://japan.zdnet.com/extra/eset_microsite_202402/" data-tag="zrcol;TUspecial_2">特集:データを守る、企業を守る</a></li> <li><a href="https://japan.zdnet.com/extra/tdsynnex_202501/35227559/" data-tag="zrcol;TUspecial_2">生成AIとAI PCで実現する“シン・業務効率化”</a></li> <li><a href="https://japan.zdnet.com/extra/splunk_202501/35227601/" data-tag="zrcol;TUspecial_2">IIJが挑むクラウドネイティブ時代のシステム運用 ──オブザーバビリティの導入でイベントドリブン型の対応からプロアクティブなシステム改善の対応へ</a></li> <li><a href="https://japan.zdnet.com/extra/digital_trust_now/" data-tag="zrcol;TUspecial_2">ビジネスの推進には必須!</a></li> </ul> </div> <section> <div class="pg-mod"> <h2 class="ttl-line-center"><span>記事一覧</span></h2> <ul class="list-thumb-l"> <li> <a href="/article/35197725/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="主役になるサプライチェーンのセキュリティリスクと5つの課題"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35197725/">主役になるサプライチェーンのセキュリティリスクと5つの課題</a> </p> <p class="txt-summary">今回は増大するサプライチェーンリスクを取り巻く最新の動向を振り返りながら、これからビジネスを作る・守る観点で何ができるのかを考えてみたい。</p> <p class="txt-update">2022-12-26 06:00</p> </div> </li> <li> <a href="/article/35195994/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="「セキュリティの不備」が調達排除や経営責任につながる日"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35195994/">「セキュリティの不備」が調達排除や経営責任につながる日</a> </p> <p class="txt-summary">サイバーセキュリティに関する政策が世界的により強化される方向にあり、企業の対応が遅れれば、ビジネス機会を失うリスクが高まっている。今回はこの状況を考察する。</p> <p class="txt-update">2022-11-16 06:00</p> </div> </li> <li> <a href="/article/35193801/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="決別が始まったセキュリティ投資の「個別最適」"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35193801/">決別が始まったセキュリティ投資の「個別最適」</a> </p> <p class="txt-summary">今回はセキュリティ投資において長年一般的であった「個別最適」と、近年トレンドになりつつある「全体最適」、それぞれのメリットとデメリットについて考えてみたい。</p> <p class="txt-update">2022-10-04 06:00</p> </div> </li> <li> <a href="/article/35188508/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="「アタックサーフェスマネジメント」が多様化するビジネスニーズに不可欠な理由"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35188508/">「アタックサーフェスマネジメント」が多様化するビジネスニーズに不可欠な理由</a> </p> <p class="txt-summary">ビジネスの状況に応じてITシステムの環境は変化し、それに合わせるかのようにサイバー攻撃に狙われる領域も変わってくる。今回は「アタックサーフェスマネジメント」について解説する。</p> <p class="txt-update">2022-06-10 06:00</p> </div> </li> <li> <a href="/article/35182000/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="2022年に注視すべきセキュリティと5つのビジネスリスク"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35182000/">2022年に注視すべきセキュリティと5つのビジネスリスク</a> </p> <p class="txt-summary">企業・組織のサイバーセキュリティに関して、2021年のセキュリティインシデントの傾向や投資、施策を振り返り、2022年にビジネス視点で注意すべきポイントを予測する。</p> <p class="txt-update">2022-01-18 06:00</p> </div> </li> <li> <a href="/article/35181041/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="企業が採用するべき「マルチクラウドのセキュリティ新戦略」"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35181041/">企業が採用するべき「マルチクラウドのセキュリティ新戦略」</a> </p> <p class="txt-summary">クラウドのセキュリティに対する懸念も期待もある複雑な状況が起きている。その中で広がるマルチクラウドでのセキュリティをどうすれば良いか。考察する。</p> <p class="txt-update">2021-12-21 06:00</p> </div> </li> <li> <a href="/article/35179015/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="ゼロトラストに本気で取り組む企業の「5つの特徴」"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35179015/">ゼロトラストに本気で取り組む企業の「5つの特徴」</a> </p> <p class="txt-summary">サイバー脅威の高まりにより「ゼロトラストセキュリティ」の取り組みは、各国政府レベルでも本気の段階になってきた。そうした組織の特徴を分析する。</p> <p class="txt-update">2021-11-11 06:00</p> </div> </li> <li> <a href="/article/35171589/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="ランサムウェアへの身代金支払いの是非と具体策"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35171589/">ランサムウェアへの身代金支払いの是非と具体策</a> </p> <p class="txt-summary">今回は、近年に一層深刻になるランサムウェアの脅威と被害の現状、身代金支払いの是非、事業停止といった深刻な事態を防ぐために企業がとれる対策について考えてみたい。</p> <p class="txt-update">2021-06-04 06:00</p> </div> </li> <li> <a href="/article/35170137/"> <div class="thumb"> <img src="/storage/2020/05/19/ab90fb382dfec9cd0b111353aa2b400e/t/276/207/d/bizsecurity-risk.jpg" alt="サプライチェーンリスクを起因とするインシデントの変遷と対応策"> </div> </a> <div class="txt"> <p class="txt-ttl"> <a href="/article/35170137/">サプライチェーンリスクを起因とするインシデントの変遷と対応策</a> </p> <p class="txt-summary">パンデミックによるテレワーク需要の高まりからネットワーク機器の供給不足が大きく話題となった。これ需要と供給の観点だが、サイバーセキュリティでも「サプライチェーンリスク」が深刻なものになっている。</p> <p class="txt-update">2021-05-10 06:00</p> </div> </li> </ul> </div> </section> <div class="pg-mod"> <div class="category-pagination"> <!-- pagination --> <ul class="pagination"> <li class="current"><span class="txt-red">1</span></li> <li> <a href="/cio/sp_19_bizrisk_sec/2/" data-ga_category="zd_article_pagination" data-ga_label="2">2</a> </li> <li class="next"> <a id="script_pagination_next" rel="next" href="/cio/sp_19_bizrisk_sec/2/" data-ga_category="zd_article_pagination" data-ga_label="next">Next</a> </li> </ul> <!-- //pagination --> </div> </div> <div class="pg-mod"> <div class="link-more"> <a class="btn-primary" href="/sp/">特集一覧へ</a> </div> </div> <div class="pg-mod"> <h3 class="ttl-line-center"><span>企画広告 <strong>PR</strong></span></h3> <ul class="list-thumb-s list-thumb-2col ggt"> <li> <a href="https://japan.zdnet.com/pickup/colttechnologyservices_202501/35227296/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2025/80x60/250121_colt_80_60.jpg" width="80" height="60" alt="Colt社 大江代表に聞く成長戦略"></div> <div class="txt"> <p class="txt-ttl">Colt社 大江代表に聞く成長戦略</p> <p class="txt-summary">日本品質のサービスで<br>世界につながるColtのネットワーク</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/salesforce_202406/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2024/80x60/240627_salesforce_80_60.gif" width="80" height="60" alt="Salesforce beside your Success"></div> <div class="txt"> <p class="txt-ttl">Salesforce beside your Success</p> <p class="txt-summary">CRM + AI + データ + 信頼の力で未来を拓く<br>目的はただ一つ「ビジネスを成功に導く」</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/tdsynnex_202501/35227559/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2025/80x60/250120_tdsynnex_80_60.jpg" width="80" height="60" alt="生成AIとAI PC"></div> <div class="txt"> <p class="txt-ttl">生成AIとAI PC</p> <p class="txt-summary">もう未来の可能性ではない!<br>ビジネスを共に切り拓くAIによる業務変革</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/ppap_202501/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2025/80x60/250115_ppap_80_60.gif" width="80" height="60" alt="特集:脱PPAP"></div> <div class="txt"> <p class="txt-ttl">特集:脱PPAP</p> <p class="txt-summary">みんながやっているは理由にならない<br>今さら聞けないPPAPの基本と課題</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/pickup/sentinelone_202501/35228551/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2025/80x60/250203_sentinelone_80_60.jpg" width="80" height="60" alt="千差万別のセキュリティ事情"></div> <div class="txt"> <p class="txt-ttl">千差万別のセキュリティ事情</p> <p class="txt-summary">いま注目したいテクノロジーは何か?<br>6人のプロフェッショナルが語る</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/digital_trust_now/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2020/80x60/200501_ms_80_60.jpg" width="80" height="60" alt="ビジネスの推進には必須!"></div> <div class="txt"> <p class="txt-ttl">ビジネスの推進には必須!</p> <p class="txt-summary">ZDNET×マイクロソフトが贈る特別企画<br>今、必要な戦略的セキュリティとガバナンス</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/splunk_202501/35227601/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2025/80x60/250122_splunk_80_60.jpg" width="80" height="60" alt="IIJが挑むこれからのシステム運用"></div> <div class="txt"> <p class="txt-ttl">IIJが挑むこれからのシステム運用</p> <p class="txt-summary">プロアクティブなシステム改善への対応<br>可観測性が鍵となるクラウドネイティブ時代</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/kela_202412/35226635/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2024/80x60/241223_kela_80_60.jpg" width="80" height="60" alt="KELA レヴィットCEOインタビュー"></div> <div class="txt"> <p class="txt-ttl">KELA レヴィットCEOインタビュー</p> <p class="txt-summary">深刻化するサイバー攻撃<br>IT資産や攻撃経路をいかに守るか</p> </div> </a> </li> <li> <a href="https://japan.zdnet.com/extra/eset_microsite_202402/" data-tag="zrcol;TUspecial" target="_blank"> <div class="thumb"><img src="https://www.aiasahi.jp/ads/2024/80x60/240315_eset_microsite_80_60.jpg" width="80" height="60" alt="特集:データを守る、企業を守る"></div> <div class="txt"> <p class="txt-ttl">特集:データを守る、企業を守る</p> <p class="txt-summary">従業員300名超企業のための<br>”ゼロ”からのEDR/XDR・MDR活用</p> </div> </a> </li> </ul> <div class="link-txt"><a href="/extra/">企画広告一覧へ</a></div> </div> <!-- ad_text --> <div class="pg-mod" id="ad_textbottom"> <ul class="ad-txt"> <div id="7924_9405"><script type="text/javascript">try{ TagProvider.displayAd('7924_9405')}catch(err){}</script></div><div id="7925_9405"><script type="text/javascript">try{ TagProvider.displayAd('7925_9405')}catch(err){}</script></div><div id="7926_9405"><script type="text/javascript">try{ TagProvider.displayAd('7926_9405')}catch(err){}</script></div><div id="7927_9405"><script type="text/javascript">try{ TagProvider.displayAd('7927_9405')}catch(err){}</script></div> </ul> </div> <!-- //ad_text --> <section> <div class="pg-mod"> <h3 class="ttl-line-center"><span>CNET Japan Top Story</span></h3> <ul class="list-disc txt-bold ggt"> <li> <a href="https://japan.cnet.com/article/35229535/" data-tag="zd"> 訪日客向けモバイルSuicaの詳細、JR東日本が発表--iPhone向けに3月提供 </a> </li> <li> <a href="https://japan.cnet.com/article/35229443/" data-tag="zd"> 中国DeepSeekだけじゃない、すべてのAIユーザーが留意すべきリスク </a> </li> <li> <a href="https://japan.cnet.com/article/35229476/" data-tag="zd"> AIへの過度な依存は「考える力」弱める?最新研究が警鐘 </a> </li> <li> <a href="https://japan.cnet.com/article/35229261/" data-tag="zd"> 期待外れか未来の幕開けか--アップル「Vision Pro」1年目の通信簿 </a> </li> <li> <a href="https://japan.cnet.com/article/35229435/" data-tag="zd"> イノベーションが導く社会課題解決を掘り下げる「CNET Japan Live 2025」2月26日開催 </a> </li> </ul> </div> </section> </main> </div> <div class="pg-container-side"> <section> <div class="pg-mod"> <!-- ad_bnr --> <div id="ad_rect" class="ad-bnr-rect ad_container"> <div id="7917_9405"><script type="text/javascript">try{ TagProvider.displayAd('7917_9405')}catch(err){}</script></div></div> <!-- //ad_bnr --> <div class="ad-bnr-rect-btm"> <a href="https://japan.zdnet.com/extra/eset_microsite_202402/?tag=ztop"><img src="https://www.aiasahi.jp/ads/2024/300x50/240605_eset_300_50_50.gif" alt=""></a> <a href="https://japan.zdnet.com/extra/salesforce_202406/?tag=ztop"><img src="https://www.aiasahi.jp/ads/2024/300x50/240620_salesforce_300_50.gif" alt=""></a> </div> </div> </section> <section> <div class="pg-mod"> <h3 class="ttl-line-center"><span>ホワイトペーパー</span></h3> <h4 class="ttl-red-center">新着</h4> <ul class="list-numbering ga_utm"> <li> <div class="label-txt-gray"> ビジネスアプリケーション </div> <a href="/paper/30000956/30008180/" data-ga_category="zd_right_newest" data-ga_action="click-pos001" data-tag='wp_newest' data-medium="inside_spot" data-campaign="wpdl_right_new"> <p class="txt-ttl">カスタマーサービスプロセスの改善に生成AIが注目される理由--チームの満足度の向上も期待</p> </a> </li> <li> <div class="label-txt-gray"> ビジネスアプリケーション </div> <a href="/paper/30000728/30008163/" data-ga_category="zd_right_newest" data-ga_action="click-pos002" data-tag='wp_newest' data-medium="inside_spot" data-campaign="wpdl_right_new"> <p class="txt-ttl">データリーダーが知っておくべき、AI活用の投資対効果を高める「実効性のある戦略策定」の進め方</p> </a> </li> <li> <div class="label-txt-gray"> 運用管理 </div> <a href="/paper/30001770/30008171/" data-ga_category="zd_right_newest" data-ga_action="click-pos003" data-tag='wp_newest' data-medium="inside_spot" data-campaign="wpdl_right_new"> <p class="txt-ttl">「新リース会計基準」の対応ポイントをチェック、4月実装の固定資産奉行V ERPクラウドの新機能も</p> </a> </li> <li> <div class="label-txt-gray"> セキュリティ </div> <a href="/paper/30001183/30008170/" data-ga_category="zd_right_newest" data-ga_action="click-pos004" data-tag='wp_newest' data-medium="inside_spot" data-campaign="wpdl_right_new"> <p class="txt-ttl">徹底検証してわかった、最大通信速度10Gbpsの実態—法人向けインターネット回線の選定ポイントとは</p> </a> </li> <li> <div class="label-txt-gray"> モバイル </div> <a href="/paper/30001737/30008158/" data-ga_category="zd_right_newest" data-ga_action="click-pos005" data-tag='wp_newest' data-medium="inside_spot" data-campaign="wpdl_right_new"> <p class="txt-ttl">目前の「Windows 10」サポート終了、「Windows 11」への移行負担を解消する最適解とは</p> </a> </li> </ul> <h4 class="ttl-red-center">ランキング</h4> <ol class="list-ranking ga_utm"> <li> <div class="label-txt-gray"> クラウド基盤 </div> <a href="/paper/30001183/30008164/" data-ga_category="zd_right_wp" data-ga_action="click-pos001" data-tag='wp_rank' data-medium="inside_spot" data-campaign="wpdl_right_ranking"> <p class="txt-ttl">「情シス不足」が生み出す2大リスク--多忙な情シス部門が手放すべき業務とは?</p> </a> </li> <li> <div class="label-txt-gray"> セキュリティ </div> <a href="/paper/20012621/30008160/" data-ga_category="zd_right_wp" data-ga_action="click-pos002" data-tag='wp_rank' data-medium="inside_spot" data-campaign="wpdl_right_ranking"> <p class="txt-ttl">Google Chrome Enterprise が実現するゼロトラスト セキュリティの最新実情</p> </a> </li> <li> <div class="label-txt-gray"> セキュリティ </div> <a href="/paper/30001183/30008165/" data-ga_category="zd_right_wp" data-ga_action="click-pos003" data-tag='wp_rank' data-medium="inside_spot" data-campaign="wpdl_right_ranking"> <p class="txt-ttl">あなたの会社は大丈夫?--サイバー攻撃対策として必要な情報セキュリティの早分かりガイドブック</p> </a> </li> <li> <div class="label-txt-gray"> ビジネスアプリケーション </div> <a href="/paper/30001106/30008137/" data-ga_category="zd_right_wp" data-ga_action="click-pos004" data-tag='wp_rank' data-medium="inside_spot" data-campaign="wpdl_right_ranking"> <p class="txt-ttl">ITSM徹底解説!ビジネスに関わる全ての方へ--「ITSMクイックスタートガイド」</p> </a> </li> <li> <div class="label-txt-gray"> セキュリティ </div> <a href="/paper/30000789/30008123/" data-ga_category="zd_right_wp" data-ga_action="click-pos005" data-tag='wp_rank' data-medium="inside_spot" data-campaign="wpdl_right_ranking"> <p class="txt-ttl">いまさら聞けないPPAPの問題点、「脱PPAP」を実現する3つの手法と注目の"第4のアプローチ"とは</p> </a> </li> </ol> <div class="link-txt"><a href="/paper/">ホワイトペーパーライブラリー</a></div> </div> </section> <section> <div class="list-special"> <h3 class="ttl-line-center"><span>特集</span></h3> <ul class="list-disc"> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_23education_tech/">「GIGAスクール構想」で進化する教育現場</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/marketing/sp_21retail_tech/">流通テック最前線</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp17_pdf/">PDF Report at ZDNET Japan</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_17eric/">エリック教授の”Next DX”論</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/software/sp_24linux_distros/">さまざまなLinuxディストリビューションの世界</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_12matsuoka/">松岡功の「今週の明言」</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/security/sp_17securityarukikata/">企業セキュリティの歩き方</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_13matsuokaopinion/">松岡功の一言もの申す</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_12executive/">トップインタビュー</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_25scm_dx/">サプライチェーン管理高度化のススメ</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/development/sp_14china/">中国ビジネス四方山話</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/software/sp_22linux_know_how/">Linuxノウハウ</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/network/sp24ict-furure/">ICT来し方行く末</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/bigdata/sp_24datacloud/">CIO・情シス部長が知っておきたい「データクラウド」の基本と構造</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_21okame/">デジタル岡目八目</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/security/sp_24manufacturing_cysec/">製造業のサイバーセキュリティ・進化する脅威と対策方法</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/sp/ziddy/">Ziddyちゃんの「私を社食に連れてって」</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_21human_resources/">「働く」を変える、HRテックの今</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_22carbon-neutral/">カーボンニュートラル(脱炭素)</a> </li> <li> <a class="txt-ttl" href="https://japan.zdnet.com/cio/sp_22ireland_ict/">世界のICTが集まるアイルランド</a> </li> </ul> <div class="link-txt"> <a href="/sp/">特集</a> </div> </div> </section> <section> <div class="list-special"> <h3 class="ttl-line-center"><span>関連企業</span></h3> <ul class="list-disc"> <li><a href="https://japan.zdnet.com/company/20013387/article/">IBM</a></li> <li><a href="https://japan.zdnet.com/company/20012378/article/">SAP</a></li> <li><a href="https://japan.zdnet.com/company/20012064/article/">Accenture</a></li> <li><a href="https://japan.zdnet.com/company/20013472/article/">HP</a></li> <li><a href="https://japan.zdnet.com/company/20013725/article/">富士通</a></li> <li><a href="https://japan.zdnet.com/company/20012427/article/">NTTデータ</a></li> <li><a href="https://japan.zdnet.com/company/20012377/article/">SAS Institute</a></li> <li><a href="https://japan.zdnet.com/company/20013405/article/">Oracle</a></li> <li><a href="https://japan.zdnet.com/company/20169690/article/">Teradata</a></li> <li><a href="https://japan.zdnet.com/company/20013874/article/">Microsoft</a></li> <li><a href="https://japan.zdnet.com/company/20024803/article/">ウイングアークテクノロジーズ</a></li> <li><a href="https://japan.zdnet.com/company/20169595/article/">マイクロストラテジー</a></li> <li><a href="https://japan.zdnet.com/company/20013650/article/">日立製作所</a></li> <li><a href="https://japan.zdnet.com/company/20169043/article/">Software AG</a></li> <li><a href="https://japan.zdnet.com/company/20012546/article/">Gartner</a></li> <li><a href="https://japan.zdnet.com/company/20015481/article/">IDC</a></li> <li><a href="https://japan.zdnet.com/company/20011973/article/">ITR</a></li> <li><a href="https://japan.zdnet.com/company/20015781/article/">ノークリサーチ</a></li> <li><a href="https://japan.zdnet.com/company/20015121/article/">Forrester</a></li> </ul> </div><!-- /related company --> </section> <iframe id="recent_comp_info_top_ifr" class="parts_frame_ads_iframe" src="/parts/frame/recent_comp_info_top.htm" frameborder="0" scrolling="no" width="100%" height="362"></iframe> <section> <div id="ad_vrect" class="pg-mod ad_container ad-bnr-rect "> <div id="7918_9405"><script type="text/javascript">try{ TagProvider.displayAd('7918_9405')}catch(err){}</script></div> </div> </section> <section> <div class="pg-mod"> <div class="mailmagazine"> <h3 class="ttl-line-center"><span>NEWSLETTERS</span></h3> <p><strong>エンタープライズコンピューティングの最前線を配信</strong></p> <input name="email" type="text" id="right_newsletter_field_email" placeholder="メールアドレスを入力してください"> <div class="btn-area"> <button class="btn-primary" id="right_newsletter_btn" style="cursor: pointer;" data-url="https://s.japan.zdnet.com/membership/new_register/?next=68747470733a2f2f6a6170616e2e7a646e65742e636f6d2f6e6577736c65747465722f" data-ga_category="cnet_id_register" data-ga_label="right_col_newsletter"> メルマガ登録 </button> </div> </div> </div><!-- /newsletters --> </section> <!-- site_info --> <section> <div class="pg-mod"> <p class="txt-note"> <small> ZDNET Japanは、CIOとITマネージャーを対象に、ビジネス課題の解決とITを活用した新たな価値創造を支援します。<br> ITビジネス全般については、<a href="https://japan.cnet.com/" target="_blank">CNET Japan</a>をご覧ください。 </small> </p> </div> </section> <!-- //site_info --> </div> </div> <!-- //contents-right --> </div> <!--AD_LARGE_FOOTER--> <div id="ad_footerlarge" class="ad-bnr-large ad_container"> <div id="7916_9405"><script type="text/javascript">try{ TagProvider.displayAd('7916_9405')}catch(err){}</script></div></div><!--/#ad_footerlarge--> <!--AD_LARGE_FOOTER END--><footer> <div class="pg-container"> <ul class="footer-sns"> <li> <a href="https://www.facebook.com/ZDNetJapan" title="Facebookファンページに行く" target="_blank"><i class="icon-facebook"></i></a> </li> <li> <a href="https://twitter.com/zdnet_japan" title="Xでzdnet_japanをフォローする" target="_blank"><i class="icon-x"></i></a> </li> <li> <a href="/info/feed/" title="ZDNET JapanのRSS紹介ページへ行く"> <i class="icon-rss"></i></a> </li> </ul> <div class="footer-menu"> <div class="footer-menu-block"> <ul> <li><a href="/sp/">特集</a></li> <li><a href="/case-study/">事例</a></li> <li><a href="/cio/sp_12executive/">トップインタビュー</a></li> <li><a href="/paper/">ホワイトペーパー</a></li> <li><a href="/company/">企業情報センター</a></li> <li><a href="/release/">プレスリリース</a></li> <li><a href="/event_info/">イベント情報</a></li> <li><a href="/hikaku/">IT製品比較</a></li> <li><a href="/keyword/">キーワード一覧</a></li> </ul> </div> <div class="footer-menu-block"> <h4>カテゴリー</h4> <ul> <li><a href="/cio/">CIO</a></li> <li><a href="/cloud/">クラウド</a></li> <li><a href="/mobile/">クライアント</a></li> <li><a href="/security/">セキュリティ</a></li> <li><a href="/software/">ソフトウェア</a></li> <li><a href="/server/">サーバー</a></li> <li><a href="/storages/">ストレージ</a></li> <li><a href="/network/">ネットワーク</a></li> <li><a href="/middleware/">ミドルウェア</a></li> <li><a href="/it-management/">運用</a></li> <li><a href="/marketing/">マーケティング</a></li> <li><a href="/bigdata/">データマネジメント</a></li> <li><a href="/career/">キャリア</a></li> <li><a href="/off-topic/">オフトピック</a></li> <li><a href="/survey/">調査</a></li> <li><a href="/cio/sp17_pdf/">PDF Report at ZDNET Japan</a></li> </ul> </div> <div class="footer-menu-block"> <ul> <li> <a href="https://aiasahi.jp/" target="_blank"> ASAHI INTERACTIVE </a> </li> <li> <a href="https://japan.cnet.com/" target="_blank"> CNET Japan </a> </li> <li> <a href="/" target="_blank"> ZDNET Japan </a> </li> <li> <a href="https://www.tetsudo.com/" target="_blank"> Tetsudo.com </a> </li> <li> <a href="https://uchubiz.com/" target="_blank"> UchuBiz </a> </li> <li> <a href="https://smbiz.asahi.com/" target="_blank"> ツギノジダイ </a> </li> </ul> </div> <div class="footer-menu-block"> <h4>USA Business Sites</h4> <ul> <li><a href="https://www.cnet.com/" target="_blank">CNET.com</a></li> <li><a href="https://www.zdnet.com/" target="_blank">ZDNET.com</a></li> </ul> <h4>International Business Sites</h4> <ul> <li><a href="https://www.zdnet.com/" target="_blank">UNITED STATES</a></li> <li><a href="https://www.zdnet.fr/" target="_blank">FRANCE</a></li> <li><a href="https://www.zdnet.de/" target="_blank">GERMANY</a></li> <li><a href="https://zdnet.co.kr/" target="_blank">KOREA</a></li> </ul> </div> </div> </div> <div class="footer-copyright"> <div class="pg-container"> <p> <small>ZDNET Japanは、Ziff Davisからのライセンスに基づき朝日インタラクティブが運営しています。<br /> ZDNET Japan is operated by Asahi Interactive under license from Ziff Davis.</small> </p> <ul> <li> <a href="https://aiasahi.jp/privacy/" target="_blank">個人情報保護方針</a> </li> <li> <a href="https://aiasahi.jp/term/" target="_blank">利用規約</a> </li> <li> <a href="https://aiasahi.jp/cookie/" target="_blank">クッキーについて</a> </li> <li> <a href="https://aiasahi.jp/advertisement/" target="_blank">広告について</a> </li> <li> <a href="https://aiasahi.jp/" target="_blank">運営会社</a> </li> <li> <a href="/info/sitemap/">サイトマップ</a> </li> </ul> <p> <small>当サイトは最新ブラウザでの閲覧を推奨します。<br>Copyright (c) 2025 ASAHI INTERACTIVE, Inc. All rights reserved. No reproduction or republication without written permission.</small> </p> </div> </div> </footer></div> <!-- //block_elu --> <div id="gdpr_area"> <div class="gdpr_area_inner"> <span class="break">このサイトでは、利用状況の把握や広告配信などのために、Cookieなどを使用してアクセスデータを取得・利用しています。</span> これ以降ページを遷移した場合、Cookieなどの設定や使用に同意したことになります。<br> Cookieなどの設定や使用の詳細、オプトアウトについては<a href="https://aiasahi.jp/cookie/">詳細</a>をご覧ください。<br> <span class="gdpr_btn_agree">[ 閉じる ]</span> </div> </div> <script async defer crossorigin="anonymous" src="https://connect.facebook.net/ja_JP/sdk.js#xfbml=1&version=v4.0&appId=1445243325512954"></script> <script type="text/javascript" src="https://b.st-hatena.com/js/bookmark_button.js" charset="utf-8" async="async"></script><script type="text/javascript"> !function (d, i) { if (!d.getElementById(i)) { var j = d.createElement("script"); j.id = i; j.src = "https://widgets.getpocket.com/v1/j/btn.js?v=1"; var w = d.getElementById(i); d.body.appendChild(j); } }(document, "pocket-btn-js"); </script> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script> <script type="text/javascript">(function(d,u){var b=d.getElementsByTagName("script")[0],j=d.createElement("script");j.async=true;j.src=u;b.parentNode.insertBefore(j,b);})(document,"//img.ak.impact-ad.jp/ut/bb5e8db7c2720d69_3807.js");</script><noscript><iframe src="//nspt.unitag.jp/bb5e8db7c2720d69_3807.php" width="0" height="0" frameborder="0"></iframe></noscript> <script type="text/javascript" src="/static/js/iziModal.min.js?1536722965" defer></script> <div id="modal_dialog" style="display: none;"></div> <script type="text/javascript"> var current_scrollY; var $modal; function dialogopen(url, max_heigt, window_width){ $modal = init_modal(url, max_heigt, window_width); $modal.iziModal('open'); } function dialog_close(){ $modal.iziModal('close'); return false; } // function init_modal(url, max_height, window_width) { iframe_height = window.innerHeight * 0.85; if (!max_height) { if (iframe_height <= 350) { iframe_height = 350; } }else{ if (max_height <= iframe_height){ iframe_height = max_height; } } if (!window_width){ window_width = 600; //default }else{ if (window_width < 600){ window_width = 600; } } $modal = new $("#modal_dialog").iziModal({ zindex: 10001, title: ' ', headerColor: 'silver', width: window_width, iframe: true, iframeHeight: iframe_height, iframeURL: url, transitionIn: false, transitionInOverlay: false, overlayColor: 'rgba(0,0,0,0.7)', onOpening: function(modal){ current_scrollY = $(window).scrollTop(); scroll_width = document.body.scrollWidth; $('body').css({position:"fixed", width:scroll_width, overflow:'hidden', top: -1 * current_scrollY}); }, onClosing: function(modal) { $("body").css({position:"", width:'', overflow:'', top:''}); $('html, body').prop( { scrollTop: current_scrollY } ); current_scrollY = 0; }, onClosed: function(modal){ modal.destroy(); } }); return $modal; } </script> <!-- ad inread_rich --> <div class="ad" id="ad-inread_rich"> <div id="7919_9405"><script type="text/javascript">try{ TagProvider.displayAd('7919_9405')}catch(err){}</script></div></div> <!-- //ad inread_rich --> <!-- #ad_float --> <div id="ad_float"> <div class="floating_banner_area"> </div> </div> <!-- /#ad_float --> <script>window.__sw_script = '/static/js/webpush/serviceworker.js?1676441630';</script> <script src="/static/js/webpush/push.js?1720151668"></script> <svg class="c-globalSvgs"> <symbol id="close" viewBox="0 0 224.512 224.512"> <g> <polygon points="224.507,6.997 217.521,0 112.256,105.258 6.998,0 0.005,6.997 105.263,112.254 0.005,217.512 6.998,224.512 112.256,119.24 217.521,224.512 224.507,217.512 119.249,112.254"></polygon> </g> </symbol> <symbol id="mag" viewBox="0 0 18 18"> <path fill-rule="evenodd" clip-rule="evenodd" d="M8.73242 1.23218C4.86643 1.23218 1.73242 4.36618 1.73242 8.23218C1.73242 12.0982 4.86643 15.2322 8.73242 15.2322C12.5984 15.2322 15.7324 12.0982 15.7324 8.23218C15.7324 4.36618 12.5984 1.23218 8.73242 1.23218ZM0.732422 8.23218C0.732422 3.8139 4.31414 0.232178 8.73242 0.232178C13.1507 0.232178 16.7324 3.8139 16.7324 8.23218C16.7324 12.6505 13.1507 16.2322 8.73242 16.2322C4.31414 16.2322 0.732422 12.6505 0.732422 8.23218Z"></path> <path fill-rule="evenodd" clip-rule="evenodd" d="M14.0356 13.5356C14.2309 13.3403 14.5475 13.3403 14.7427 13.5356L17.5711 16.364C17.7664 16.5592 17.7664 16.8758 17.5711 17.0711C17.3759 17.2664 17.0593 17.2664 16.864 17.0711L14.0356 14.2427C13.8403 14.0474 13.8403 13.7308 14.0356 13.5356Z"></path> </symbol> <symbol id="menu" viewBox="0 0 25 24"> <path fill-rule="evenodd" clip-rule="evenodd" d="M23.7368 1H15.7368V9H23.7368V1ZM15.7368 0C15.1845 0 14.7368 0.447716 14.7368 1V9C14.7368 9.55229 15.1845 10 15.7368 10H23.7368C24.2891 10 24.7368 9.55228 24.7368 9V1C24.7368 0.447715 24.2891 0 23.7368 0H15.7368Z"></path> <path fill-rule="evenodd" clip-rule="evenodd" d="M9.73682 1H1.73682V9H9.73682V1ZM1.73682 0C1.18453 0 0.736816 0.447716 0.736816 1V9C0.736816 9.55229 1.18453 10 1.73682 10H9.73682C10.2891 10 10.7368 9.55228 10.7368 9V1C10.7368 0.447715 10.2891 0 9.73682 0H1.73682Z"></path> <path fill-rule="evenodd" clip-rule="evenodd" d="M23.7368 15H15.7368V23H23.7368V15ZM15.7368 14C15.1845 14 14.7368 14.4477 14.7368 15V23C14.7368 23.5523 15.1845 24 15.7368 24H23.7368C24.2891 24 24.7368 23.5523 24.7368 23V15C24.7368 14.4477 24.2891 14 23.7368 14H15.7368Z"></path> <path fill-rule="evenodd" clip-rule="evenodd" d="M9.73682 15H1.73682V23H9.73682V15ZM1.73682 14C1.18453 14 0.736816 14.4477 0.736816 15V23C0.736816 23.5523 1.18453 24 1.73682 24H9.73682C10.2891 24 10.7368 23.5523 10.7368 23V15C10.7368 14.4477 10.2891 14 9.73682 14H1.73682Z"></path> </symbol> </svg> <svg class="c-globalSvgs c-siteSvgs"> <symbol id="logo" viewBox="0 0 1042 682"> <g> <path d="M359.25 358V430V483.54V555.54V610V682H431.25H683.25V610H431.25V555.54H629.17V483.54H431.25V430H683.25V358H431.25H359.25Z"></path> <path d="M916 358H844H718V430H844V682H916V430H1042V358H916Z"></path> <path d="M324 252H11.87L324 143.91V72V67.72V0H0V72H311.64L0 179.91V252V256.11V324H324V252Z"></path> <path d="M252.5 670.13L144.41 358H72.5H68.22H0.5V682H72.5V370.36L180.41 682H252.5H256.61H324.5V358H252.5V670.13Z"></path> <path d="M682.75 162.2V161.83C682.75 72.6 610.16 -1.52588e-05 520.92 -1.52588e-05H358.75V324H520.96C610.17 324 682.75 251.42 682.75 162.2ZM430.75 72H520.92C544.736 72.0265 567.57 81.4991 584.41 98.3398C601.251 115.18 610.724 138.014 610.75 161.83V162.2C610.726 186.007 601.259 208.833 584.425 225.668C567.592 242.504 544.767 251.974 520.96 252H430.75V72Z"></path> </g> </symbol> <symbol id="globe" viewBox="0 0 24 24"> <path fill-rule="evenodd" clip-rule="evenodd" d="M10.1166 22.4959C10.2925 22.6549 10.4742 22.7975 10.6597 22.9192C5.21675 22.258 1 17.6214 1 12C1 12.2761 1.22386 12.5 1.5 12.5H6.63043C6.70062 15.7182 7.44359 18.3424 8.42097 20.2014C8.93405 21.1773 9.51853 21.9552 10.1166 22.4959ZM6.63043 11.5H1.5C1.22386 11.5 1 11.7239 1 12C1 6.37856 5.21675 1.742 10.6597 1.08083C10.4742 1.20254 10.2925 1.34509 10.1166 1.50411C9.51853 2.04484 8.93405 2.82266 8.42097 3.79858C7.44359 5.65764 6.70062 8.28181 6.63043 11.5ZM7.63068 11.5C7.7007 8.43016 8.41024 5.96793 9.3061 4.26392C9.77879 3.36484 10.2966 2.68953 10.7873 2.24589C11.2882 1.79305 11.7105 1.625 12 1.625C12.2895 1.625 12.7118 1.79305 13.2127 2.24589C13.7034 2.68953 14.2212 3.36484 14.6939 4.26392C15.5898 5.96793 16.2993 8.43016 16.3693 11.5H12H7.63068ZM7.63068 12.5H12H16.3693C16.2993 15.5698 15.5898 18.0321 14.6939 19.7361C14.2212 20.6352 13.7034 21.3105 13.2127 21.7541C12.7118 22.207 12.2895 22.375 12 22.375C11.7105 22.375 11.2882 22.207 10.7873 21.7541C10.2966 21.3105 9.77879 20.6352 9.3061 19.7361C8.41024 18.0321 7.7007 15.5698 7.63068 12.5ZM17.3696 12.5C17.2994 15.7182 16.5564 18.3424 15.579 20.2014C15.0659 21.1773 14.4815 21.9552 13.8834 22.4959C13.7075 22.6549 13.5258 22.7975 13.3403 22.9192C18.7832 22.258 23 17.6214 23 12C23 6.37856 18.7832 1.742 13.3403 1.08083C13.5258 1.20254 13.7075 1.34509 13.8834 1.50411C14.4815 2.04484 15.0659 2.82266 15.579 3.79858C16.5564 5.65764 17.2994 8.28181 17.3696 11.5H22.5C22.7761 11.5 23 11.7239 23 12C23 12.2761 22.7761 12.5 22.5 12.5H17.3696ZM24 12C24 18.6274 18.6274 24 12 24C5.37258 24 0 18.6274 0 12C0 5.37258 5.37258 0 12 0C18.6274 0 24 5.37258 24 12Z"></path> </symbol> <symbol id="user" viewBox="0 0 18 19"> <path fill-rule="evenodd" clip-rule="evenodd" d="M9 2.5a3.5 3.5 0 1 0 0 7 3.5 3.5 0 0 0 0-7zM4.5 6a4.5 4.5 0 1 1 9 0 4.5 4.5 0 0 1-9 0zM3.395 12.793C4.723 12.023 6.535 11.5 9 11.5c2.465 0 4.277.522 5.605 1.293a6.902 6.902 0 0 1 2.646 2.692c.418.767.28 1.555-.189 2.127-.453.553-1.196.888-2 .888H2.938c-.805 0-1.548-.335-2.001-.888-.469-.572-.606-1.36-.19-2.127l.44.239-.44-.239a6.902 6.902 0 0 1 2.647-2.692zm.501.865c-1.149.666-1.845 1.525-2.269 2.305-.21.386-.144.737.084 1.015.243.296.69.522 1.228.522H15.06c.54 0 .985-.226 1.228-.522.228-.278.294-.629.084-1.015-.424-.78-1.12-1.639-2.27-2.305C12.954 12.99 11.322 12.5 9 12.5c-2.32 0-3.953.49-5.104 1.158z"></path> </symbol> <symbol id="user-filled" viewBox="0 0 18 19"> <path d="M9 10a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM2.939 18H15.06c1.344 0 2.378-1.122 1.751-2.276C15.89 14.026 13.785 12 9 12c-4.786 0-6.89 2.026-7.812 3.724C.56 16.878 1.595 18 2.938 18z" stroke-linecap="round" stroke-linejoin="round"></path> </symbol> <symbol id="arrow-thin" viewBox="0 0 14 13"> <path fill-rule="evenodd" clip-rule="evenodd" d="M6.64645 0.146447C6.84171 -0.0488155 7.15829 -0.0488155 7.35355 0.146447L13.3536 6.14645C13.5488 6.34171 13.5488 6.65829 13.3536 6.85355L7.35355 12.8536C7.15829 13.0488 6.84171 13.0488 6.64645 12.8536C6.45118 12.6583 6.45118 12.3417 6.64645 12.1464L12.2929 6.5L6.64645 0.853553C6.45118 0.658291 6.45118 0.341709 6.64645 0.146447Z"></path> <path fill-rule="evenodd" clip-rule="evenodd" d="M0.5 6.5C0.5 6.22386 0.723858 6 1 6H13C13.2761 6 13.5 6.22386 13.5 6.5C13.5 6.77614 13.2761 7 13 7H1C0.723858 7 0.5 6.77614 0.5 6.5Z"></path> </symbol> </svg> </body> </html>