{"id":129072,"date":"2021-03-25T01:29:11","date_gmt":"2021-03-25T08:29:11","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=129072"},"modified":"2021-04-25T18:08:44","modified_gmt":"2021-04-26T01:08:44","slug":"patching-microsoft-exchange-servers","status":"publish","type":"post","link":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/2021\/03\/patching-microsoft-exchange-servers\/?lang=ja","title":{"rendered":"\u3069\u306e\u304f\u3089\u3044\u306e\u4f01\u696d\u304c\u5373\u5ea7\u306bMicrosoft Exchange Server\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u3092\u9069\u7528\u3057\u305f\u306e\u304b"},"content":{"rendered":"<p>Microsoft Exchange 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Server\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u3092\u9069\u7528\u3057\u305f\u306e\u304b\u3001\u3068\u3044\u3063\u305f\u3053\u3068\u3067\u3059\u3002\u6700\u8fd1\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u304c\u8cb7\u53ce\u3057\u305fExpanse\u306f\u3001\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406\u7528\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3001\u307e\u3055\u306b\u3053\u3046\u3057\u305f\u7591\u554f\u306b\u7b54\u3048\u3066\u304f\u308c\u308b\u30c6\u30ec\u30e1\u30c8\u30ea\u3092\u53ce\u96c6\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a 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href=\"https:\/\/unit42.paloaltonetworks.jp\/dearcry-ransomware\/\" rel=\"nofollow,noopener\" >DearCry\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2<\/a>\u306a\u3069\u306f\u3001Microsoft Exchange Mail Server\u3067\u65b0\u3057\u304f\u958b\u793a\u3055\u308c\u305f\u8106\u5f31\u6027\u3092\u4f7f\u3044\u3001\u7d44\u7e54\u5074\u306b\u5bfe\u5fdc\u3055\u308c\u3066\u3057\u307e\u3046\u524d\u306b\u624b\u3070\u3084\u304f\u7a3c\u3054\u3046\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-127589-_5mtdlbod9vij\"><\/a>\u3069\u306e\u304f\u3089\u3044\u306e\u4f01\u696d\u304c\u5373\u5ea7\u306bMicrosoft Exchange Server\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u3092\u9069\u7528\u3057\u305f\u306e\u304b<\/h2>\n<p>Expanse\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u5168\u30c7\u30d0\u30a4\u30b9\u306e\u60c5\u5831\u3092\u7d99\u7d9a\u7684\u306b\u53ce\u96c6\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u81ea\u793e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u3044\u3001\u516c\u958b\u6e08\u307f\u304b\u3064\u5916\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306aMicrosoft Exchange Server\u306e\u7dcf\u6570\u3092\u8abf\u3079\u3001\u3055\u3089\u306b\u305d\u306e\u306a\u304b\u3067\u8106\u5f31\u306a\u30b5\u30fc\u30d0\u30fc\u306e\u7dcf\u6570\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u30023\u67088\u65e5\u30683\u670811\u65e5\u306b\u306a\u304b3\u65e5\u3042\u3051\u3066\u53ce\u96c6\u3057\u305f\u60c5\u5831\u3092\u6bd4\u3079\u308b\u3053\u3068\u3067\u3001\u8106\u5f31\u306aMicrosoft Exchange Server\u306e\u7dcf\u6570\u3060\u3051\u3067\u306a\u304f\u3001\u7d44\u7e54\u304c\u3069\u306e\u3050\u3089\u3044\u3059\u3070\u3084\u304f\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9069\u7528\u3057\u305f\u306e\u304b\u306b\u3064\u3044\u3066\u306e\u30c7\u30fc\u30bf\u3082\u5f97\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n<div style=\"width: 900px; max-width: 100%;\">\n<figure id=\"attachment_129077\" aria-describedby=\"caption-attachment-129077\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/03\/Expanse-Networks-Map-Infographic-Dark-jp.png\"><div style=\"max-width:100%\" data-width=\"900\"><span class=\"ar-custom\" style=\"padding-bottom:56.22%;\"><img loading=\"lazy\" decoding=\"async\"  class=\"lozad wp-image-129077 lozad\"  data-src=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/03\/Expanse-Networks-Map-Infographic-Dark-jp.png\" alt=\"\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3042\u308bExpanse\u306f\u3001\u7d44\u7e54\u304cMicrosoft Exchange Server\u306b\u3069\u306e\u3050\u3089\u3044\u3059\u3070\u3084\u304f\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9069\u7528\u3057\u305f\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u307e\u3057\u305f\u3002\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u6570\u306f\u30013\u67088\u65e5\u306b\u306f125,000\u53f0\u3060\u3063\u305f\u306e\u304c\u30013\u670811\u65e5\u306b\u306f80,000\u53f0\u306b\u6e1b\u5c11\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30de\u30c3\u30d7\u306f\u30013\u670811\u65e5\u6642\u70b9\u3067\u3001\u8abf\u67fb\u5bfe\u8c61\u56fd\u3067\u4fee\u6b63\u306e\u6e08\u3093\u3067\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u6570\u304c\u3069\u306e\u3050\u3089\u3044\u3042\u3063\u305f\u306e\u304b\u3092\u9752\u3044\u30c9\u30c3\u30c8\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044Exchange Server\u304c\u6700\u3082\u591a\u304b\u3063\u305f\u56fd\u306f\u300120,000\u53f0\u306e\u7c73\u56fd\u3067\u3057\u305f\u3002\u30c9\u30a4\u30c4\u306f11,000\u53f0\u3001\u82f1\u56fd\u306f4,900\u53f0\u3001\u30d5\u30e9\u30f3\u30b9\u306f4,000\u53f0\u3001\u30a4\u30bf\u30ea\u30a2\u306f3,700\u53f0\u3001\u30ed\u30b7\u30a2\u306f2,900\u53f0\u3001\u30ab\u30ca\u30c0\u306f2,700\u53f0\u3001\u30b9\u30a4\u30b9\u306f2,500\u53f0\u3001\u30aa\u30fc\u30b9\u30c8\u30e9\u30ea\u30a2\u306f2,200\u53f0\u3001\u4e2d\u56fd\u306f2,100\u53f0\u3001\u30aa\u30fc\u30b9\u30c8\u30ea\u30a2\u306f1,700\u53f0\u3001\u30aa\u30e9\u30f3\u30c0\u306f1,600\u53f0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \" width=\"900\" height=\"506\" data-src=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/03\/Expanse-Networks-Map-Infographic-Dark-jp.png\" \/><\/span><\/div><\/a><figcaption id=\"caption-attachment-129077\" class=\"wp-caption-text\">\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3042\u308bExpanse\u306f\u3001\u7d44\u7e54\u304cMicrosoft Exchange Server\u306b\u3069\u306e\u3050\u3089\u3044\u3059\u3070\u3084\u304f\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9069\u7528\u3057\u305f\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u307e\u3057\u305f\u3002\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u6570\u306f\u30013\u67088\u65e5\u306b\u306f125,000\u53f0\u3060\u3063\u305f\u306e\u304c\u30013\u670811\u65e5\u306b\u306f80,000\u53f0\u306b\u6e1b\u5c11\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30de\u30c3\u30d7\u306f\u30013\u670811\u65e5\u6642\u70b9\u3067\u3001\u8abf\u67fb\u5bfe\u8c61\u56fd\u3067\u4fee\u6b63\u306e\u6e08\u3093\u3067\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u6570\u304c\u3069\u306e\u3050\u3089\u3044\u3042\u3063\u305f\u306e\u304b\u3092\u8d64\u3044\u30c9\u30c3\u30c8\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044Exchange Server\u304c\u6700\u3082\u591a\u304b\u3063\u305f\u56fd\u306f\u300120,000\u53f0\u306e\u7c73\u56fd\u3067\u3057\u305f\u3002\u30c9\u30a4\u30c4\u306f11,000\u53f0\u3001\u82f1\u56fd\u306f4,900\u53f0\u3001\u30d5\u30e9\u30f3\u30b9\u306f4,000\u53f0\u3001\u30a4\u30bf\u30ea\u30a2\u306f3,700\u53f0\u3001\u30ed\u30b7\u30a2\u306f2,900\u53f0\u3001\u30ab\u30ca\u30c0\u306f2,700\u53f0\u3001\u30b9\u30a4\u30b9\u306f2,500\u53f0\u3001\u30aa\u30fc\u30b9\u30c8\u30e9\u30ea\u30a2\u306f2,200\u53f0\u3001\u4e2d\u56fd\u306f2,100\u53f0\u3001\u30aa\u30fc\u30b9\u30c8\u30ea\u30a2\u306f1,700\u53f0\u3001\u30aa\u30e9\u30f3\u30c0\u306f1,600\u53f0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/figcaption><\/figure>\n<\/div>\n<p>\u3053\u306e\u7d50\u679c\u3001\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u9069\u7528\u30b9\u30d4\u30fc\u30c9\u306f\u304d\u308f\u3081\u3066\u901f\u304f\u3001\u308f\u305a\u304b3\u65e5\u306736\uff05\u304c\u4fee\u6b63\u3057\u3066\u3044\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002FireEye\u306e<a href=\"https:\/\/www.fireeye.com\/blog\/threat-research\/2020\/04\/time-between-disclosure-patch-release-and-vulnerability-exploitation.html\" rel=\"nofollow,noopener\">\u958b\u793a\u304b\u3089\u4fee\u6b63\u306e\u516c\u958b\u3001\u60aa\u7528\u307e\u3067\u306e\u6642\u9593<\/a>\u306b\u3064\u3044\u3066\u306e\u30c7\u30fc\u30bf\u3067\u306f\u3001\u4ee5\u524d\u306e\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u9069\u7528\u307e\u3067\u306e\u5e73\u5747\u6642\u9593\u306f9\u65e5\u3067\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9069\u7528\u3057\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u5b89\u5168\u3067\u3042\u308b\u3068\u306f\u304b\u304e\u308a\u307e\u305b\u3093\u3002\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u516c\u958b\u306b\u3055\u304d\u3060\u3061\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306f\u3059\u3067\u306b\u5e83\u304f\u3001\u8907\u6570\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306b\u3088\u308bExchange Server\u3078\u306e\u591a\u6570\u306e\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u304c\u89b3\u5bdf\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3067\u3059\u304b\u3089\u653b\u6483\u3068\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3059\u3067\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u3082\u306e\u3068\u4eee\u5b9a\u3057\u3066\u304b\u304b\u3089\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u306a\u304a\u3001\u3055\u307e\u3056\u307e\u306a\u653b\u6483\u30b7\u30ca\u30ea\u30aa\u306b\u5bfe\u5fdc\u3057\u3066\u53d7\u3051\u305f\u304b\u3082\u3057\u308c\u306a\u3044\u5f71\u97ff\u3092\u5224\u65ad\u3059\u308b\u624b\u9806\u306b\u3064\u3044\u3066\u306f\u3001Unit 42\u304c\u516c\u958b\u3057\u305f\u300c<a href=\"https:\/\/unit42.paloaltonetworks.jp\/remediation-steps-for-the-microsoft-exchange-server-vulnerabilities\/\" rel=\"nofollow,noopener\" >Microsoft Exchange Server\u306e\u8106\u5f31\u6027\u306e\u4fee\u5fa9\u624b\u9806<\/a>\u300d\u304c\u8a73\u3057\u3044\u306e\u3067\u305d\u3061\u3089\u306b\u8b72\u308a\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u76ee\u7dda\u3067\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u5148\u306e\u7d71\u8a08\u306f\u300c<em>\u3059\u3079\u3066\u306e<\/em>\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u672a\u9069\u7528\u306e\u516c\u958b\u6e08\u307fExchange\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u300d\u306b\u3064\u3044\u3066\u306e\u30c7\u30fc\u30bf\u3067\u3059\u304c\u3001\u3053\u306e\u6570\u5b57\u304c\u305d\u306e\u307e\u307e\u4f01\u696d\u304c\u628a\u63e1\u6e08\u307f\u306e\u5f71\u97ff\u53f0\u6570\u3068\u65e9\u5408\u70b9\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u4f01\u696d\u306b\u306f\u305f\u3068\u3048\u3070\u3001\u8cb7\u53ce\u5148\u306e\u8cc7\u7523\u3084\u6d77\u5916\u62e0\u70b9\u306e\u8cc7\u7523\u3001IT\u8cc7\u7523\u306e\u7ba1\u7406\u3082\u308c\u3001\u30b7\u30e3\u30c9\u30fcIT\u306a\u3069\u3001\u628a\u63e1\u3057\u304d\u308c\u306a\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u3081\u305a\u3089\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u653b\u6483\u30d9\u30af\u30c8\u30eb\u306f\u591a\u3044\u3067\u3059\u3057\u3001\u9632\u5fa1\u306b\u3055\u3051\u308b\u30ea\u30bd\u30fc\u30b9\u3082\u6709\u9650\u3067\u3059\u3002\u3067\u3059\u304b\u3089\u3001\u300c\u3069\u3053\u304c\u3044\u3061\u3070\u3093\u91cd\u8981\u306a\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u3067\u3001\u3069\u3046\u3084\u3063\u3066\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u6e1b\u3089\u3057\u3066\u3044\u304f\u304b\u300d\u306f\u3001\u30b9\u30de\u30fc\u30c8\u306b\u304b\u3064\u30c7\u30fc\u30bf\u306b\u88cf\u6253\u3061\u3055\u308c\u305f\u3084\u308a\u304b\u305f\u3067\u3001\u512a\u5148\u9806\u4f4d\u3092\u4ed8\u3051\u3066\u3084\u3063\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308b\u3068\u899a\u3048\u3066\u304a\u304b\u306d\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2><a id=\"post-127589-_62j3wgxd3pj\"><\/a>\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u7406\u89e3\u3059\u308b\u306b\u306f<\/h2>\n<p>\u3044\u307e\u307b\u3069\u7d44\u7e54\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u304c\u3042\u3061\u3053\u3061\u306b\u6563\u3089\u3070\u3063\u3066\u3044\u308b\u6642\u4ee3\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u7d44\u7e54\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u8cc7\u7523\u306e\u7a2e\u5225\u3092\u3059\u3079\u3066\u8b58\u5225\u3057\u3001\u8ffd\u8de1\u3057\u3001\u7ba1\u7406\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u304b\u3089\u6b21\u306b\u3084\u3063\u3066\u304f\u308b\u7dca\u6025\u4e8b\u614b\u306b\u7db1\u6e21\u308a\u3067\u5bfe\u5fdc\u3057\u3064\u3065\u3051\u308b\u306e\u306f\u3068\u3066\u3082\u7121\u7406\u3067\u3059\u304b\u3089\u3001\u306a\u306b\u304b\u3057\u3089<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/2021\/03\/exchange-server-new-playbook\/\">\u65b0\u3057\u3044\u30d7\u30ec\u30a4\u30d6\u30c3\u30af<\/a>\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u306b\u306f\u307e\u305a\u4f55\u3092\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7d44\u7e54\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u306e\u7406\u89e3\u304b\u3089\u3001\u3067\u3059\u3002\u767a\u898b\u3068\u30de\u30c3\u30d4\u30f3\u30b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u57fa\u672c\u306e\u30ad\u304b\u3089\u59cb\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u81ea\u7d44\u7e54\u304c\u6240\u6709\u3059\u308b\u3059\u3079\u3066\u306e\u8cc7\u7523\u3001\u30b7\u30b9\u30c6\u30e0\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u3046\u3061\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u3080\u3051\u3066\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u5168\u8cc7\u7523\u3092\u8a18\u9332\u3057\u3066\u304f\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u6301\u3064\u3002<\/li>\n<li>\u3059\u3079\u3066\u306e\u4e3b\u8981\u30dd\u30fc\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u30da\u30a2\u306b\u307e\u305f\u304c\u308b\u5305\u62ec\u7684\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\uff08\u8981\u3059\u308b\u306b\u3001HTTP\u3068HTTPS Web\u30b5\u30a4\u30c8\u306e\u307f\u306e\u8ffd\u8de1\u3068\u3044\u3046\u53e4\u3044\u767a\u60f3\u306b\u306f\u3068\u3089\u308f\u308c\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff09\u3002<\/li>\n<li>\u30a2\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u7528\u306b\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\uff08\u8981\u3059\u308b\u306b\u767b\u9332\u3068DNS\u30c7\u30fc\u30bf\u3060\u3051\u306b\u3068\u3069\u3081\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff09\u3002<\/li>\n<li>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u306f\u4f9d\u5b58\u3057\u306a\u3044\uff08\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3067\u306f\u672a\u77e5\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u8cc7\u7523\u3092\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u305f\u3081\u3067\u3059\uff09\u3002<\/li>\n<li>\u7d99\u7d9a\u7684\u306b\u66f4\u65b0\u3067\u304d\u308b\uff08\u8981\u3059\u308b\u306b2\u9031\u9593\u306b1\u5ea6\u3057\u304b\u66f4\u65b0\u3055\u308c\u306a\u3044\u3088\u3046\u306a\u3082\u306e\u3067\u306f\u3044\u3051\u307e\u305b\u3093\uff09\u3002<\/li>\n<\/ul>\n<p>\u3042\u308f\u305b\u3066\u3001\u3053\u3061\u3089\u306e<a href=\"https:\/\/www.paloaltonetworks.com\/microsoft-exchange-server-incident-response\">Microsoft Exchange Server\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3078\u306e\u5bfe\u5fdc<\/a>\u3082\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Exchange Server\u306e4\u3064\u306e\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u3068\u305d\u308c\u3089\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u304c\u516c\u306b\u306a\u308a\u3001\u305d\u306e\u5f71\u97ff\u7bc4\u56f2\u304c\u3069\u308c\u307b\u3069\u306e\u3082\u306e\u304b\u3068\u7591\u554f\u306b\u601d\u308f\u308c\u305f\u304b\u305f\u3082\u591a\u3044\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u305f\u3068\u3048\u3070\u3001\u3053\u306eMicrosoft Exchange Server\u653b\u6483\u306b\u5bfe\u3057\u3001\u8106\u5f31\u306a\u7d44\u7e54\u306f\u3069\u306e\u3050\u3089\u3044\u3042\u308b\u306e\u304b\u3001\u653b\u6483\u8005\u306b\u5229\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u306f\u3069\u306e\u304f\u3089\u3044\u3042\u308b\u306e\u304b\u3001\u3053\u306e\u30cb\u30e5\u30fc\u30b9\u3067\u3069\u306e\u304f\u3089\u3044\u306e\u4f01\u696d\u304c\u5373\u5ea7\u306bMicrosoft Exchange 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