{"id":310,"date":"2026-09-20T21:57:47","date_gmt":"2026-09-20T12:57:47","guid":{"rendered":"https:\/\/security.harutea.work\/?p=310"},"modified":"2026-09-20T21:57:47","modified_gmt":"2026-09-20T12:57:47","slug":"microsoft%e3%81%8c%e5%a0%b1%e5%91%8a%e3%81%99%e3%82%8bpasskey%e3%82%92%e5%8f%a3%e5%ae%9f%e3%81%ab%e3%81%97%e3%81%9f%e6%94%bb%e6%92%83%ef%bc%9a%e3%83%98%e3%83%ab%e3%83%97%e3%83%87%e3%82%b9%e3%82%af","status":"publish","type":"post","link":"https:\/\/security.harutea.work\/?p=310","title":{"rendered":"Microsoft\u304c\u5831\u544a\u3059\u308bPasskey\u3092\u53e3\u5b9f\u306b\u3057\u305f\u653b\u6483\uff1a\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u3092\u88c5\u3063\u305f\u96fb\u8a71\u304b\u3089\u30af\u30e9\u30a6\u30c9\u4fb5\u5bb3\u307e\u3067\u306e\u6d41\u308c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">2026\u5e749\u67089\u65e5\u3001Microsoft Security Research\u304c\u300cPasskey-themed social engineering leads to identity and cloud compromise\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002IT\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u3092\u88c5\u3044\u3001\u300c\u30d1\u30b9\u30ad\u30fc\u3001MFA\u3001SSO\u306e\u8a2d\u5b9a\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u5f93\u696d\u54e1\u306b\u96fb\u8a71\u3084SMS\u3067\u6301\u3061\u304b\u3051\u3001ID\u306e\u4e57\u3063\u53d6\u308a\u304b\u3089\u30af\u30e9\u30a6\u30c9\u4e0a\u306e\u30c7\u30fc\u30bf\u53ce\u96c6\u307e\u3067\u3092\u9032\u3081\u308b\u653b\u6483\u306e\u5831\u544a\u3067\u3059\u3002\u6ce8\u76ee\u3057\u305f\u3044\u306e\u306f\u3001\u6700\u521d\u306e\u63a5\u70b9\u304c\u5f93\u696d\u54e1\u306e\u500b\u4eba\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u4e0a\u3067\u8d77\u304d\u3001\u4f01\u696d\u306eEDR\u306e\u30ed\u30b0\u306b\u75d5\u8de1\u304c\u6b8b\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u70b9\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001Microsoft\u306e\u516c\u5f0f\u30d6\u30ed\u30b0\u3092\u4e00\u6b21\u60c5\u5831\u3068\u3057\u3066\u3001\u653b\u6483\u306e\u6d41\u308c\u3001\u691c\u77e5\u306e\u8996\u70b9\u3001\u5bfe\u7b56\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5831\u544a\u306e\u6982\u8981<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u767a\u884c\u5143\uff1aMicrosoft Security Research\u3002\u516c\u958b\u65e5\u306f2026\u5e749\u67089\u65e5<\/li>\n\n\n\n<li>\u89b3\u6e2c\u6642\u671f\uff1a2026\u5e745\u6708\u304b\u3089<\/li>\n\n\n\n<li>\u5185\u5bb9\uff1a\u8907\u6570\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u307e\u305f\u304c\u308b\u3001\u30af\u30e9\u30a6\u30c9\u4e0a\u306e\u4fb5\u5165\u6d3b\u52d5<\/li>\n\n\n\n<li>\u6d41\u308c\uff1a\u4e0d\u5be9\u306a\u30b5\u30a4\u30f3\u30a4\u30f3 \u2192 \u653b\u6483\u8005\u306b\u3088\u308b\u8a8d\u8a3c\u65b9\u6cd5\u306e\u8ffd\u52a0 \u2192 Microsoft Graph\u306e\u5927\u91cf\u30a2\u30af\u30bb\u30b9 \u2192 SharePoint\u3068OneDrive\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9 \u2192 REST API\u306b\u3088\u308b\u30e1\u30fc\u30eb\u306e\u53ce\u96c6<\/li>\n\n\n\n<li>Microsoft\u306e\u8a55\u4fa1\uff1a\u30d7\u30ed\u30ad\u30b7\u306b\u95a2\u9023\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u3092\u4f7f\u3063\u305f\u3001\u4fb5\u5bb3\u3055\u308c\u305f\u30af\u30e9\u30a6\u30c9ID\u304b\u3089\u306e\u81ea\u52d5\u53ce\u96c6\u3068\u6574\u5408\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u653b\u6483\u306e8\u3064\u306e\u6bb5\u968e<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6bb5\u968e<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>1\u301c2<\/td><td>\u521d\u671f\u30a2\u30af\u30bb\u30b9\uff1a\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u3092\u88c5\u3063\u305f\u96fb\u8a71\u30fbSMS\u3068\u3001\u30d1\u30b9\u30ad\u30fc\u3084SSO\u3092\u53e3\u5b9f\u306b\u3057\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0<\/td><\/tr><tr><td>3\u301c4<\/td><td>ID\u306e\u4fb5\u5bb3\uff1aAiTM\uff08\u4e2d\u9593\u8005\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\uff09\u3084\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\u8a8d\u8a3c\u3067\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3084\u30c8\u30fc\u30af\u30f3\u3092\u53d6\u5f97<\/td><\/tr><tr><td>5<\/td><td>\u6c38\u7d9a\u5316\uff1a\u653b\u6483\u8005\u304c\u7ba1\u7406\u3059\u308bMFA\u306e\u65b9\u5f0f\uff08\u96fb\u8a71\u756a\u53f7\u3001\u8a8d\u8a3c\u30a2\u30d7\u30ea\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2OTP\uff09\u3092\u767b\u9332<\/td><\/tr><tr><td>6<\/td><td>\u5075\u5bdf\uff1aMicrosoft Graph\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u3001\u30b0\u30eb\u30fc\u30d7\u3001\u6a29\u9650\u3001\u30ea\u30bd\u30fc\u30b9\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6d17\u3044\u51fa\u3059<\/td><\/tr><tr><td>7\u301c8<\/td><td>\u30c7\u30fc\u30bf\u53ce\u96c6\u3068\u6d41\u51fa\uff1aSharePoint\u3068OneDrive\u306e\u5927\u91cf\u30a2\u30af\u30bb\u30b9\u30fb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001REST API\u7d4c\u7531\u306e\u30e1\u30fc\u30eb\u53ce\u96c6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u5165\u53e3\uff1a\u30d1\u30b9\u30ad\u30fc\u306f\u53e3\u5b9f\u306b\u3059\u304e\u306a\u3044<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u653b\u6483\u306f\u3001\u5f93\u696d\u54e1\u306e\u500b\u4eba\u306e\u96fb\u8a71\u756a\u53f7\u3078\u306e\u96fb\u8a71\u3084\u30e1\u30c3\u30bb\u30fc\u30b8\u304b\u3089\u59cb\u307e\u308b\u3053\u3068\u304c\u591a\u3044\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002IT\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u3092\u540d\u4e57\u308b\u76f8\u624b\u304c\u3001\u7dca\u6025\u6027\u3092\u5f37\u8abf\u3057\u3001\u30d1\u30b9\u30ad\u30fc\u3001MFA\u3001SSO\u306e\u8a2d\u5b9a\u3092\u3059\u3050\u306b\u66f4\u65b0\u3057\u306a\u3044\u3068\u696d\u52d9\u306b\u652f\u969c\u304c\u51fa\u308b\u3068\u8aac\u660e\u3057\u307e\u3059\u3002\u5f93\u696d\u54e1\u306f\u3001Microsoft\u306e\u30b5\u30a4\u30f3\u30a4\u30f3\u753b\u9762\u306b\u3088\u304f\u4f3c\u305fWeb\u30b5\u30a4\u30c8\u306b\u8a98\u5c0e\u3055\u308c\u307e\u3059\u3002\u30ea\u30f3\u30af\u306f\u3001\u500b\u4eba\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306bSMS\u3067\u76f4\u63a5\u5c4a\u304f\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft\u306f\u3001\u30d1\u30b9\u30ad\u30fc\u3092\u4f7f\u3063\u305f\u8a98\u3044\u6587\u53e5\u304c\u591a\u3044\u4e00\u65b9\u3067\u3001\u30d1\u30b9\u30ad\u30fc\u306e\u767b\u9332\u81ea\u4f53\u306f\u653b\u6483\u8005\u306e\u672c\u5f53\u306e\u76ee\u7684\u3067\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3068\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002\u30d1\u30b9\u30ad\u30fc\u306e\u8a71\u306f\u3001AiTM\u3084\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\u8a8d\u8a3c\u306e\u6d41\u308c\u306b\u88ab\u5bb3\u8005\u3092\u8a98\u5c0e\u3059\u308b\u305f\u3081\u306e\u3001\u3082\u3063\u3068\u3082\u3089\u3057\u3044\u53e3\u5b9f\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AiTM\u306e\u5834\u5408\uff1a<\/strong>\u653b\u6483\u8005\u304c\u3001\u8a8d\u8a3c\u60c5\u5831\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u30c8\u30fc\u30af\u30f3\u3092\u596a\u3046<\/li>\n\n\n\n<li><strong>\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\u306e\u5834\u5408\uff1a<\/strong>\u88ab\u5bb3\u8005\u304c\u3001\u77e5\u3089\u306a\u3044\u3046\u3061\u306b\u3001\u653b\u6483\u8005\u306e\u4ee3\u308f\u308a\u306b\u30a2\u30af\u30bb\u30b9\u3092\u627f\u8a8d\u3057\u3066\u3057\u307e\u3046<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3089\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul 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API\u3067\u4e00\u89a7\u3055\u308c\u305f\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u306f\u7d041\u6642\u9593\u7d9a\u3044\u305f\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u5f37\u304f\u306a\u3044MFA\u304c\u3001AiTM\u3067\u7a81\u7834\u3055\u308c\u305f\u4e8b\u4f8b\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li><strong>\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\uff1a<\/strong>\u30d1\u30b9\u30ad\u30fc\u306e\u8a98\u3044\u6587\u53e5\u306e\u3042\u3068\u3001\u88ab\u5bb3\u8005\u304c\u3001\u6b63\u898f\u306eMicrosoft\u306e\u8a8d\u8a3c\u30da\u30fc\u30b8\u306b\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u3057\u307e\u3046\u3002\u627f\u8a8d\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30c8\u30fc\u30af\u30f3\u304c\u767a\u884c\u3055\u308c\u3001\u30d6\u30e9\u30a6\u30b6\u306eCookie\u3092\u76d7\u307e\u306a\u304f\u3066\u3082\u3001\u8a31\u53ef\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002\u653b\u6483\u8005\u306f\u305d\u306e\u30c8\u30fc\u30af\u30f3\u3092\u518d\u5229\u7528\u3057\u3001MFA\u3092\u56de\u907f\u3057\u3066\u3001\u5075\u5bdf\u3084\u6b21\u306e\u6bb5\u968e\u306b\u9032\u3093\u3060<\/li>\n\n\n\n<li><strong>\u8a8d\u8a3c\u60c5\u5831\u306e\u518d\u5229\u7528\uff1a<\/strong>\u4fb5\u5bb3\u3055\u308c\u305f\u8a8d\u8a3c\u60c5\u5831\u3067\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u3001\u6570\u65e5\u524d\u306b\u767b\u9332\u6e08\u307f\u3060\u3063\u305f\u8a8d\u8a3c\u30a2\u30d7\u30ea\uff08PhoneAppOTP\uff09\u3067MFA\u3092\u901a\u904e\u3057\u305f\u3002\u653b\u6483\u8005\u304c\u6570\u65e5\u524d\u306b\u8a8d\u8a3c\u30a2\u30d7\u30ea\u3092\u767b\u9332\u3057\u3066\u3044\u305f\u3053\u3068\u3092\u793a\u5506\u3059\u308b\u3002\u3053\u306e\u6d3b\u52d5\u306f\u3001Node.js\u3068Microsoft Graph\u3067\u4f5c\u3089\u308c\u305f\u81ea\u52d5\u5316\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u4e3b\u306b\u884c\u308f\u308c\u305f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u6c38\u7d9a\u5316\uff1a\u653b\u6483\u8005\u306eMFA\u3092\u767b\u9332<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fb5\u5165\u5f8c\u306e\u6700\u521d\u306e\u76ee\u7684\u306f\u3001\u4e00\u6642\u7684\u306a\u4fb5\u5bb3\u3092\u3001\u7d99\u7d9a\u7684\u306a\u8db3\u5834\u306b\u5909\u3048\u308b\u3053\u3068\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u65b0\u3057\u3044\u96fb\u8a71\u756a\u53f7\u3001\u8a8d\u8a3c\u30a2\u30d7\u30ea\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30b9\u30ef\u30fc\u30c9\uff08OTP\uff09\u306e\u30c8\u30fc\u30af\u30f3\u306a\u3069\u3001\u81ea\u5206\u304c\u7ba1\u7406\u3059\u308bMFA\u306e\u65b9\u5f0f\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u3001\u4ee5\u5f8c\u306e\u8a8d\u8a3c\u306e\u8981\u6c42\u3092\u3001\u88ab\u5bb3\u8005\u306e\u95a2\u4e0e\u306a\u3057\u306b\u6e80\u305f\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft\u306b\u3088\u308b\u3068\u3001MFA\u306e\u767b\u9332\u3060\u3051\u3067\u306f\u3001\u8a8d\u8a3c\u60c5\u5831\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u5b8c\u5168\u306a\u30ea\u30bb\u30c3\u30c8\u3092\u4e57\u308a\u5207\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u76d7\u3093\u3060\u30c8\u30fc\u30af\u30f3\u3084\u5931\u52b9\u3057\u3066\u3044\u306a\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u3001\u6709\u52b9\u306a\u8a8d\u8a3c\u60c5\u5831\u3068\u7d44\u307f\u5408\u308f\u3055\u308b\u3068\u3001\u9577\u671f\u7684\u306a\u30a2\u30af\u30bb\u30b9\u3092\u7dad\u6301\u3059\u308b\u624b\u6bb5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u5075\u5bdf\uff1a\u500b\u3005\u306eGraph\u547c\u3073\u51fa\u3057\u306f\u666e\u901a\u306b\u898b\u3048\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c38\u7d9a\u5316\u306e\u3042\u3068\u3001\u653b\u6483\u8005\u306fMicrosoft Graph\u3092\u4f7f\u3063\u3066\u3001\u30c6\u30ca\u30f3\u30c8\u5185\u306e\u30e6\u30fc\u30b6\u30fc\u3001\u30b0\u30eb\u30fc\u30d7\u3001\u6a29\u9650\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u6d17\u3044\u51fa\u3057\u307e\u3059\u3002Microsoft\u306f\u3001\u8a8d\u8a3c\u3001\u5075\u5bdf\u3001\u6d41\u51fa\u306e\u5404\u6bb5\u968e\u3067\u3001\u5225\u3005\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3044\u5206\u3051\u3066\u3044\u305f\u3068\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002\u500b\u5225\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6307\u6a19\u3060\u3051\u3067\u306f\u5168\u4f53\u50cf\u304c\u3064\u304b\u3081\u305a\u3001\u6bb5\u968e\u3092\u307e\u305f\u3044\u3060\u76f8\u95a2\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Graph\u306e\u5075\u5bdf\u306f\u30011\u56de\u306e\u547c\u3073\u51fa\u3057\u3060\u3051\u3092\u898b\u308b\u3068\u3001\u4e0d\u5be9\u306b\u898b\u3048\u306b\u304f\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002\u300c\/users\u300d\u300c\/groups\u300d\u300c\/sites\u300d\u3078\u306e\u8981\u6c42\u306f\u3001\u4f01\u696d\u306e\u74b0\u5883\u3067\u306f\u3042\u308a\u3075\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u540c\u3058ID\u3084\u30a2\u30d7\u30ea\u3001\u30c8\u30fc\u30af\u30f3\u304c\u3001\u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u7cfb\u7d71\u7684\u306b\u305f\u3069\u308a\u3001\u6a29\u9650\u3084\u8a8d\u8a3c\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3001\u305d\u306e\u5f8c\u306b\u30e1\u30fc\u30eb\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306b\u89e6\u308c\u308b\u3068\u3001\u5075\u5bdf\u304b\u3089\u6d41\u51fa\u3078\u306e\u6d41\u308c\u304c\u6d6e\u304b\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5075\u5bdf\u306e\u578b<\/th><th>\u4e3b\u306a\u5bfe\u8c61<\/th><th>\u308f\u304b\u308b\u3053\u3068<\/th><\/tr><\/thead><tbody><tr><td>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5217\u6319<\/td><td>\u30e6\u30fc\u30b6\u30fc\u3001\u30b0\u30eb\u30fc\u30d7\u3001\u30e1\u30f3\u30d0\u30fc<\/td><td>ID\u3001\u30b0\u30eb\u30fc\u30d7\u3001\u5b9f\u52b9\u7684\u306a\u6240\u5c5e\u306e\u5730\u56f3<\/td><\/tr><tr><td>\u6a29\u9650\u3068MFA\u306e\u8abf\u67fb<\/td><td>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30ed\u30fc\u30eb\u3001\u8a8d\u8a3c\u65b9\u6cd5<\/td><td>\u7279\u6a29\u306e\u5272\u308a\u5f53\u3066\u3068\u3001\u767b\u9332\u6e08\u307f\u306e\u8a8d\u8a3c\u65b9\u6cd5<\/td><\/tr><tr><td>\u30a2\u30d7\u30ea\u3068\u540c\u610f\u306e\u8abf\u67fb<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30b5\u30fc\u30d3\u30b9\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u3001OAuth\u306e\u8a31\u53ef<\/td><td>\u518d\u5229\u7528\u3067\u304d\u308b\u30a2\u30af\u30bb\u30b9\u7d4c\u8def\u3068\u3001\u4fa1\u5024\u306e\u9ad8\u3044\u30b5\u30fc\u30d3\u30b9ID<\/td><\/tr><tr><td>SharePoint\u3068OneDrive\u306e\u8abf\u67fb<\/td><td>\u30b5\u30a4\u30c8\u3001\u30c9\u30e9\u30a4\u30d6\u3001\u30d5\u30a1\u30a4\u30eb<\/td><td>\u53ce\u96c6\u306b\u4f7f\u3048\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u5730\u56f3<\/td><\/tr><tr><td>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u8abf\u67fb<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u30d5\u30a9\u30eb\u30c0\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb<\/td><td>\u60c5\u5831\u53ce\u96c6\u3084BEC\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306e\u53d6\u5f97\u306e\u6e96\u5099<\/td><\/tr><tr><td>\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u53ce\u96c6<\/td><td>\u30d5\u30a1\u30a4\u30eb\u3084\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e2d\u8eab\u306e\u53d6\u5f97<\/td><td>\u5075\u5bdf\u304c\u53ce\u96c6\u306b\u9032\u3093\u3060\u3001\u6700\u3082\u5f37\u3044\u6307\u6a19<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u30c7\u30fc\u30bf\u53ce\u96c6\u3068\u6d41\u51fa<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SharePoint\u3068OneDrive\u3067\u3001FileAccessed\u3068FileDownloaded\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u5927\u91cf\u306b\u767a\u751f<\/li>\n\n\n\n<li>\u4e00\u90e8\u306e\u4fb5\u5165\u3067\u306f\u3001REST API\u306b\u3088\u308bExchange Online\u306e\u30e1\u30fc\u30eb\u306e\u53d6\u5f97\u306b\u3082\u53ca\u3093\u3060<\/li>\n\n\n\n<li>\u4eba\u9593\u306e\u64cd\u4f5c\u3068\u3044\u3046\u3088\u308a\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u52d5\u304d\u304c\u76ee\u7acb\u3061\u3001\u8907\u6570\u306e\u4e8b\u4f8b\u3067\u3001python-httpx\u3068\u3044\u3046\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u304c\u89b3\u6e2c\u3055\u308c\u305f\u3002\u305f\u3060\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3060\u3051\u3067\u60aa\u610f\u304c\u3042\u308b\u3068\u306f\u5224\u65ad\u3067\u304d\u306a\u3044<\/li>\n\n\n\n<li>\u6d41\u51fa\u306f\u3001\u6570\u6642\u9593\u304b\u3089\u6570\u65e5\u306b\u308f\u305f\u308a\u30011\u6642\u9593\u306b1,000\u4ef6\u672a\u6e80\u306e\u30d5\u30a1\u30a4\u30eb\u3084\u30e1\u30fc\u30eb\u306b\u3068\u3069\u307e\u308b\u306a\u3069\u3001\u901a\u5e38\u306e\u5229\u7528\u306b\u7d1b\u308c\u308b\u901f\u5ea6\u3067\u7d9a\u3044\u305f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">8. EDR\u3060\u3051\u3067\u306f\u898b\u3048\u306a\u3044\uff08\u7b46\u8005\u306e\u8003\u5bdf\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u521d\u306e\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0URL\u3092\u3001\u4f01\u696d\u306eEDR\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u500b\u4eba\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u958b\u3044\u305f\u5834\u5408\u3001\u305d\u306e\u6d3b\u52d5\u306f\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u306b\u6b8b\u3089\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Microsoft\u306f\u3001\u591a\u304f\u306e\u8abf\u67fb\u3067\u3001\u5f93\u696d\u54e1\u306e\u300c\u96fb\u8a71\u3084\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u305f\u300d\u3068\u3044\u3046\u8a18\u61b6\u304c\u3001\u4fb5\u5bb3\u306e\u59cb\u307e\u308a\u3092\u8aac\u660e\u3059\u308b\u6700\u521d\u306e\u3001\u305d\u3057\u3066\u6642\u306b\u306f\u552f\u4e00\u306e\u8a3c\u62e0\u306b\u306a\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u6b21\u306e3\u7a2e\u985e\u306e\u30ed\u30b0\u3092\u3001\u3064\u306a\u3044\u3067\u898b\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u898b\u308b\u3082\u306e<\/th><th>\u78ba\u8a8d\u3059\u308b\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>ID\u306e\u30ed\u30b0<\/td><td>\u4e0d\u5be9\u306a\u30b5\u30a4\u30f3\u30a4\u30f3\u3001\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\u8a8d\u8a3c\u306e\u30a4\u30d9\u30f3\u30c8\u3001\u8a8d\u8a3c\u65b9\u6cd5\u306e\u8ffd\u52a0\u3084\u5909\u66f4<\/td><\/tr><tr><td>\u30c8\u30fc\u30af\u30f3\u306e\u30ed\u30b0<\/td><td>\u30c8\u30fc\u30af\u30f3\u306e\u767a\u884c\u3068\u518d\u5229\u7528\u3001\u5931\u52b9\u3057\u3066\u3044\u306a\u3044\u30bb\u30c3\u30b7\u30e7\u30f3<\/td><\/tr><tr><td>SaaS\u306e\u64cd\u4f5c\u30ed\u30b0<\/td><td>Graph\u306e\u5927\u91cf\u30a2\u30af\u30bb\u30b9\u3001SharePoint\u3068OneDrive\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30e1\u30fc\u30eb\u306e\u5927\u91cf\u53d6\u5f97<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u52a0\u3048\u3066\u3001\u5f93\u696d\u54e1\u304c\u300c\u4e0d\u5be9\u306a\u96fb\u8a71\u3092\u53d7\u3051\u305f\u300d\u3068\u3059\u3050\u5831\u544a\u3067\u304d\u308b\u7a93\u53e3\u304c\u3001\u691c\u77e5\u306e\u624b\u304c\u304b\u308a\u3068\u3057\u3066\u52b9\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u30d1\u30b9\u30ad\u30fc\u305d\u306e\u3082\u306e\u304c\u5371\u967a\u3060\u3068\u3044\u3046\u8a71\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Microsoft\u81ea\u8eab\u304c\u3001\u5bfe\u7b56\u3068\u3057\u3066\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u5f37\u3044MFA\uff08FIDO2\u3084\u30d1\u30b9\u30ad\u30fc\u3001Windows Hello for Business\uff09\u306e\u5f37\u5236\u3092\u6319\u3052\u3066\u3044\u307e\u3059\u3002\u554f\u984c\u306f\u3001\u300c\u30d1\u30b9\u30ad\u30fc\u306e\u8a2d\u5b9a\u300d\u3068\u3044\u3046\u8a71\u984c\u3092\u53e3\u5b9f\u306b\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. Microsoft\u304c\u793a\u3059\u5bfe\u7b56<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3001\u8abf\u67fb\u3001\u5c01\u3058\u8fbc\u3081\u3001\u4e88\u9632\u306b\u5206\u3051\u3066\u5bfe\u7b56\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8abf\u67fb\uff1a<\/strong>\u4e0d\u5be9\u306a\u30b5\u30a4\u30f3\u30a4\u30f3\u306e\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u65b0\u3057\u3044\u8a8d\u8a3c\u65b9\u6cd5\u3068\u30c7\u30d0\u30a4\u30b9\u3092\u78ba\u8a8d\u3057\u3001\u78ba\u8a8d\u5f8c\u306b\u4e0d\u6b63\u306a\u3082\u306e\u3092\u524a\u9664\u3059\u308b\u3002Graph\u306e\u5927\u91cf\u30fb\u81ea\u52d5\u7684\u306a\u30a2\u30af\u30bb\u30b9\u3001SharePoint\u3068OneDrive\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306e\u7570\u5e38\u3001Exchange\u306eREST API\u306e\u52d5\u304d\u3092\u3001ID\u306e\u30a4\u30d9\u30f3\u30c8\u3068\u7a81\u304d\u5408\u308f\u305b\u308b<\/li>\n\n\n\n<li><strong>\u5c01\u3058\u8fbc\u3081\uff1a<\/strong>\u4fb5\u5bb3\u304c\u78ba\u8a8d\u3055\u308c\u305fID\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3068\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u30c8\u30fc\u30af\u30f3\u3092\u5931\u52b9\u3055\u305b\u3001\u8a8d\u8a3c\u60c5\u5831\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3001\u653b\u6483\u8005\u304c\u767b\u9332\u3057\u305f\u8a8d\u8a3c\u65b9\u6cd5\u3068\u30e1\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3057\u3001\u8a8d\u8a3c\u65b9\u6cd5\u3092\u5b89\u5168\u306b\u518d\u767b\u9332\u3055\u305b\u308b<\/li>\n\n\n\n<li><strong>\u4e88\u9632\uff08\u8a8d\u8a3c\uff09\uff1a<\/strong>\u6761\u4ef6\u4ed8\u304d\u30a2\u30af\u30bb\u30b9\u3067\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u5f37\u3044MFA\u3092\u5f37\u5236\u3059\u308b\u3002\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\u3068\u8a8d\u8a3c\u8ee2\u9001\u306e\u30d5\u30ed\u30fc\u306f\u3001\u660e\u78ba\u306a\u696d\u52d9\u4e0a\u306e\u5fc5\u8981\u304c\u306a\u3044\u9650\u308a\u30d6\u30ed\u30c3\u30af\u3059\u308b<\/li>\n\n\n\n<li><strong>\u4e88\u9632\uff08\u7aef\u672b\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u5831\u306e\u767b\u9332\uff09\uff1a<\/strong>Exchange\u3001SharePoint\u3001\u7279\u6a29\u306eGraph\u30a2\u30d7\u30ea\u306b\u306f\u3001\u7ba1\u7406\u3055\u308c\u305f\u6e96\u62e0\u30c7\u30d0\u30a4\u30b9\u3092\u8981\u6c42\u3059\u308b\u3002\u8a8d\u8a3c\u65b9\u6cd5\u306e\u767b\u9332\u306b\u306f\u3001\u5e38\u306b\u65b0\u3057\u3044\u5bfe\u8a71\u7684\u306a\u8a8d\u8a3c\u3001\u7ba1\u7406\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3084\u6307\u5b9a\u3057\u305f\u5834\u6240\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u5f37\u3044\u8a8d\u8a3c\u5f37\u5ea6\u3092\u8981\u6c42\u3057\u3001\u5225\u306e\u30dd\u30ea\u30b7\u30fc\u3067\u3001\u9ad8\u3044\u30b5\u30a4\u30f3\u30a4\u30f3\u30ea\u30b9\u30af\u306e\u767b\u9332\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b<\/li>\n\n\n\n<li><strong>\u4e88\u9632\uff08\u30a2\u30d7\u30ea\u3068\u5171\u6709\uff09\uff1a<\/strong>\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u30a2\u30d7\u30ea\u306e\u540c\u610f\u3092\u5236\u9650\u3057\u3001\u7ba1\u7406\u8005\u306e\u627f\u8a8d\u3092\u5fc5\u9808\u306b\u3059\u308b\u3002Mail.Read\u3001Files.Read.All\u3001Directory.Read.All\u306e\u3088\u3046\u306a\u9ad8\u3044\u6a29\u9650\u306e\u30b5\u30fc\u30d3\u30b9\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u3092\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3059\u308b\u3002\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u7aef\u672b\u306f\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3084\u540c\u671f\u306e\u306a\u3044Web\u306e\u307f\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u5236\u9650\u3057\u3001\u533f\u540d\u306e\u5171\u6709\u30ea\u30f3\u30af\u3092\u7121\u52b9\u306b\u3059\u308b<\/li>\n\n\n\n<li><strong>\u4e88\u9632\uff08\u30ed\u30b0\u3068\u624b\u9806\uff09\uff1a<\/strong>Graph\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30ed\u30b0\u3068\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u76e3\u67fb\u3092\u6709\u52b9\u306b\u3057\u3001\u7570\u5e38\u306a\u5217\u6319\u3001\u8a8d\u8a3c\u65b9\u6cd5\u306e\u767b\u9332\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u30e1\u30fc\u30eb\u306e\u5927\u91cf\u30a2\u30af\u30bb\u30b9\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u51fa\u3059\u3002\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u304c\u8a8d\u8a3c\u60c5\u5831\u3084MFA\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u524d\u306b\u3001\u53b3\u683c\u306a\u672c\u4eba\u78ba\u8a8d\u3092\u884c\u3044\u3001\u3059\u3079\u3066\u306e\u30ea\u30bb\u30c3\u30c8\u3067\u901a\u77e5\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306e\u9805\u76ee\u306f\u3001\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u3092\u88c5\u3046\u653b\u6483\u3068\u3001\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u81ea\u8eab\u304c\u653b\u6483\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u4e21\u65b9\u306b\u52b9\u304f\u5bfe\u7b56\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10. \u653b\u6483\u8005\u306e\u5e30\u5c5e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft Threat Intelligence\u306f\u3001\u4eca\u56de\u306e\u521d\u671f\u30a2\u30af\u30bb\u30b9\u306e\u624b\u53e3\u3092\u3001\u8907\u6570\u306e\u653b\u6483\u8005\u304c\u4f7f\u3063\u3066\u3044\u308b\u3068\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3059\u3002Storm-3121\u306f\u3001ShinyHunters\u3068Falcon\u306b\u3088\u308b\u6050\u559d\u306b\u3064\u306a\u304c\u308b\u521d\u671f\u30a2\u30af\u30bb\u30b9\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002Storm-3032\u306f\u3001BlackFile\u304b\u3089\u5206\u304b\u308c\u305f\u30b0\u30eb\u30fc\u30d7\u3067\u3001Helix\u3068\u3044\u3046\u540d\u3067\u6050\u559d\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002Microsoft Defender\u306f\u3001\u3053\u308c\u3089\u306e\u653b\u6483\u8005\u3068\u540c\u3058\u7cfb\u7d71\u306e\u624b\u53e3\u306e\u691c\u77e5\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">11. \u8aad\u3080\u3068\u304d\u306e\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u5bb9\u306fMicrosoft 365\u3001Entra\u3001Defender\u306e\u74b0\u5883\u304c\u524d\u63d0\u3067\u3059\u3002\u30d6\u30ed\u30b0\u306e\u691c\u7d22\u30af\u30a8\u30ea\u306f\u3001Defender\u306e\u9ad8\u5ea6\u306a\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3067\u4f7f\u3046\u3082\u306e\u3067\u3001\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u8abf\u6574\u304c\u5fc5\u8981\u3067\u3059<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306epython-httpx\u3084\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30c9\u30e1\u30a4\u30f3\u306e\u4e00\u81f4\u306f\u3001\u305d\u308c\u3060\u3051\u3067\u60aa\u610f\u306e\u8a3c\u62e0\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002Microsoft\u306f\u3001\u6d41\u308c\u5168\u4f53\u306e\u76f8\u95a2\u3067\u5224\u65ad\u3059\u308b\u3088\u3046\u8ff0\u3079\u3066\u3044\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30a4\u30f3\u30a4\u30f3\u306e\u30ed\u30b0\u3060\u3051\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u304c\u5b9f\u969b\u306b\u958b\u304b\u308c\u305f\u304b\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305f\u304b\u306f\u8a3c\u660e\u3067\u304d\u307e\u305b\u3093<\/li>\n\n\n\n<li>\u30c9\u30e1\u30a4\u30f3\u3084IP\u30a2\u30c9\u30ec\u30b9\u306f\u3059\u3050\u306b\u5909\u308f\u308a\u307e\u3059\u3002Microsoft\u306f\u3001\u500b\u5225\u306e\u6307\u6a19\u3088\u308a\u3082\u3001\u4fb5\u5bb3\u3001\u6c38\u7d9a\u5316\u3001\u5075\u5bdf\u3001\u63a2\u7d22\u3001\u6d41\u51fa\u3068\u3044\u3046\u6d41\u308c\u306e\u7e70\u308a\u8fd4\u3057\u306e\u307b\u3046\u304c\u3001\u8abf\u67fb\u306e\u571f\u53f0\u306b\u306a\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059<\/li>\n\n\n\n<li>\u7b2c8\u7ae0\u306f\u3001Microsoft\u306e\u8a18\u8ff0\u3092\u8e0f\u307e\u3048\u305f\u7b46\u8005\u306e\u6574\u7406\u3067\u3059<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u3092\u88c5\u3044\u3001\u30d1\u30b9\u30ad\u30fc\u3001MFA\u3001SSO\u306e\u8a2d\u5b9a\u3092\u53e3\u5b9f\u306b\u3057\u3066\u3001AiTM\u3084\u30c7\u30d0\u30a4\u30b9\u30b3\u30fc\u30c9\u8a8d\u8a3c\u306b\u8a98\u5c0e\u3059\u308b\u653b\u6483\u304c\u30012026\u5e745\u6708\u304b\u3089\u89b3\u6e2c\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u30d1\u30b9\u30ad\u30fc\u306e\u767b\u9332\u306f\u672c\u5f53\u306e\u76ee\u7684\u3067\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3001\u53e3\u5b9f\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b<\/li>\n\n\n\n<li>\u4fb5\u5bb3\u5f8c\u306f\u3001\u653b\u6483\u8005\u306eMFA\u306e\u767b\u9332\u3001Graph\u3067\u306e\u5075\u5bdf\u3001SharePoint\u3068OneDrive\u306e\u5927\u91cf\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30e1\u30fc\u30eb\u306e\u53ce\u96c6\u3078\u9032\u3080<\/li>\n\n\n\n<li>\u500b\u4eba\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u304c\u8d77\u70b9\u306e\u5834\u5408\u3001EDR\u306b\u75d5\u8de1\u304c\u6b8b\u3089\u305a\u3001\u5f93\u696d\u54e1\u306e\u8a3c\u8a00\u304c\u552f\u4e00\u306e\u8a3c\u62e0\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b<\/li>\n\n\n\n<li>ID\u306e\u30ed\u30b0\u3001\u30c8\u30fc\u30af\u30f3\u306e\u30ed\u30b0\u3001SaaS\u306e\u64cd\u4f5c\u30ed\u30b0\u3092\u3064\u306a\u3044\u3067\u898b\u3066\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u5f37\u3044MFA\u3001\u6761\u4ef6\u4ed8\u304d\u30a2\u30af\u30bb\u30b9\u3001\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u306e\u672c\u4eba\u78ba\u8a8d\u3067\u5099\u3048\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u8cc7\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2026\/09\/09\/passkey-themed-social-engineering-leads-identity-cloud-compromise\/\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Security Blog: Passkey-themed social engineering leads to identity and cloud compromise<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/security.harutea.work\/?p=304\" target=\"_blank\" rel=\"noreferrer noopener\">\u95a2\u9023\u8a18\u4e8b\uff1aSpyCloud 2026 Identity Threat Report\u89e3\u8aac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/security.harutea.work\/?p=289\" target=\"_blank\" rel=\"noreferrer noopener\">\u95a2\u9023\u8a18\u4e8b\uff1aArete H1 2026 Crimeware Report\u89e3\u8aac<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>2026\u5e749\u67089\u65e5\u3001Microsoft Security Research\u304c\u300cPasskey-themed social engineering leads to identity and cloud compromis&hellip; <br \/> <a class=\"read-more\" href=\"https:\/\/security.harutea.work\/?p=310\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":217,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[3],"tags":[59,44,60,56,61,45,58,57,62,33],"class_list":["post-310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity","tag-aitm","tag-iam","tag-mfa","tag-microsoft","tag-microsoft-graph","tag-identity-security","tag-social-engineering","tag-passkey","tag-phishing","tag-initial-access"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/security.harutea.work\/wp-content\/uploads\/2022\/07\/phone-1869510_1920.jpg","_links":{"self":[{"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/posts\/310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/security.harutea.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=310"}],"version-history":[{"count":1,"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/posts\/310\/revisions"}],"predecessor-version":[{"id":311,"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/posts\/310\/revisions\/311"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/security.harutea.work\/index.php?rest_route=\/wp\/v2\/media\/217"}],"wp:attachment":[{"href":"https:\/\/security.harutea.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/security.harutea.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/security.harutea.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}