{"id":10520,"date":"2022-02-24T17:03:48","date_gmt":"2022-02-24T08:03:48","guid":{"rendered":"https:\/\/www.secuavail.com\/kb\/?p=10520"},"modified":"2024-08-23T11:25:23","modified_gmt":"2024-08-23T02:25:23","slug":"exchange-online-spam","status":"publish","type":"post","link":"https:\/\/www.secuavail.com\/kb\/microsoft-365\/exchange-online-spam\/","title":{"rendered":"Microsoft Exchange Online\u306e\u30b9\u30d1\u30e0\u5bfe\u7b56\uff5cMicrosoft365\/Office365\u306e\u76e3\u67fb\u30ed\u30b0\u304b\u3089\u5206\u6790\u3057\u3066\u307f\u305f"},"content":{"rendered":"<p>\u5f53\u8a18\u4e8b\u306f\u3001M365\u3092\u7ba1\u7406\u8005\u306e\u7acb\u5834\u3067\u5229\u7528\u3057\u3066\u3044\u308b\u65b9\u5411\u3051\u306e\u8a18\u4e8b\u3067\u3059\u3002\u8077\u5834\u3084\u5b66\u6821\u3067\u306f\u3001\u30e1\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u696d\u52d9\u3092\u3059\u308b\u3053\u3068\u3082\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002M365\u30e6\u30fc\u30b6\u30fc\u3067\u3042\u308c\u3070\u3001Microsoft Exchange Online\u3092\u4f7f\u3063\u3066\u3044\u308b\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u7ba1\u7406\u8005\u3068\u3057\u3066\u306f\u3001<strong>\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u306a\u3069\u306e\u30e1\u30fc\u30eb\u306b\u307e\u3064\u308f\u308b\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u3001\u30b9\u30d1\u30e0\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/strong>\u306b\u6c17\u3092\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u4e2d\u3067M365 \u76e3\u67fb\u30ed\u30b0\u3092\u96c6\u3081\u3066\u304a\u304d\u3001\u305d\u308c\u3092\u7c21\u5358\u306b\u5206\u6790\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u7ba1\u7406\u8005\u306b\u3068\u3063\u3066\u5f79\u306b\u7acb\u3064\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001M365\u30b5\u30fc\u30d3\u30b9\u3067\u3082\u7279\u306b\u5916\u90e8\u3068\u306e\u3084\u308a\u53d6\u308a\u304c\u591a\u3044\u30b5\u30fc\u30d3\u30b9\u3001<strong>Microsoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u304b\u3089\u5b9f\u969b\u306b\u4f55\u304c\u5206\u304b\u308b\u306e\u304b\u3001\u3069\u3046\u3084\u3063\u3066\u7c21\u5358\u306b\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304b<\/strong>\u3092\u3054\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3056\u3063\u304f\u308a\u3068\u3057\u305f\u3054\u7d39\u4ecb\u307e\u3067\u306a\u306e\u3067\u3001\u8a73\u3057\u3044\u3084\u308a\u65b9\u306a\u3069\u3054\u8cea\u554f\u306e\u3042\u308b\u65b9\u306f\u3001\u304a\u6c17\u8efd\u306b\u5f0a\u793e\u307e\u3067\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002\u306a\u304a\u3001\u672c\u8a18\u4e8b\u306f2022\u5e742\u6708\u6642\u70b9\u306e\u60c5\u5831\u3067\u3042\u308a\u3001\u4eca\u5f8c\u3001\u5185\u5bb9\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e88\u3081\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u203bMicrosoft365\u306e\u76e3\u67fb\u30ed\u30b0\u306e\u53d6\u5f97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<br \/>\n\u30fb<a href=\"https:\/\/www.secuavail.com\/kb\/microsoft-365\/audit-log\/\">Microsoft 365 \u76e3\u67fb\u30ed\u30b0\u306e\u53d6\u5f97\u65b9\u6cd5<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.secuavail.com\/kb\/microsoft-365\/exchange-online-spam\/#Microsoft_Exchange_Online_%E3%81%A8%E3%81%AF%EF%BC%9FM365_%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%81%AE%E4%B8%BB%E3%81%AA%E5%8F%96%E5%BE%97%E9%A0%85%E7%9B%AE%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\" >Microsoft Exchange Online \u3068\u306f\uff1fM365 \u76e3\u67fb\u30ed\u30b0\u306e\u4e3b\u306a\u53d6\u5f97\u9805\u76ee\u306b\u3064\u3044\u3066<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.secuavail.com\/kb\/microsoft-365\/exchange-online-spam\/#Microsoft_Exchange_Online%E3%81%AE%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%81%A8%E3%81%AF\" >Microsoft Exchange Online\u306e\u76e3\u67fb\u30ed\u30b0\u3068\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.secuavail.com\/kb\/microsoft-365\/exchange-online-spam\/#Microsoft_Exchange_Online%E3%81%AE%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%82%92%E5%AE%9F%E9%9A%9B%E3%81%AB%E8%A6%8B%E3%82%8B%E3%81%AB%E3%81%AF\" >Microsoft Exchange Online\u306e\u76e3\u67fb\u30ed\u30b0\u3092\u5b9f\u969b\u306b\u898b\u308b\u306b\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.secuavail.com\/kb\/microsoft-365\/exchange-online-spam\/#Microsoft_Exchange_Online%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%82%92%E5%88%86%E6%9E%90%E3%81%97%E3%81%A6%E3%81%BF%E3%81%9F\" >Microsoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u3092\u5206\u6790\u3057\u3066\u307f\u305f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.secuavail.com\/kb\/microsoft-365\/exchange-online-spam\/#%E4%B8%80%E9%80%9A%E3%82%8A%E3%81%AE%E8%A8%AD%E5%AE%9A%E3%82%92%E7%B5%82%E3%81%88%E3%81%A6\" >\u4e00\u901a\u308a\u306e\u8a2d\u5b9a\u3092\u7d42\u3048\u3066<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Microsoft_Exchange_Online_%E3%81%A8%E3%81%AF%EF%BC%9FM365_%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%81%AE%E4%B8%BB%E3%81%AA%E5%8F%96%E5%BE%97%E9%A0%85%E7%9B%AE%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>Microsoft Exchange Online \u3068\u306f\uff1fM365 \u76e3\u67fb\u30ed\u30b0\u306e\u4e3b\u306a\u53d6\u5f97\u9805\u76ee\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u3093\u306b\u3061\u306f\u3002\u3053\u306e\u8a18\u4e8b\u3092\u62c5\u5f53\u3059\u308b\u30dd\u30c8\u30d5\u3067\u3059\u3002M365\u3092\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u65b9\u306e\u4e2d\u306b\u306f\u3001\u76e3\u67fb\u30ed\u30b0\u3092\u307e\u3060\u7ba1\u7406\u30fb\u53ce\u96c6\u3057\u3066\u3044\u306a\u3044\u65b9\u3084\u3001\u30ed\u30b0\u306f\u53d6\u3063\u3066\u3044\u3066\u3082\u5206\u6790\u3057\u3066\u3044\u306a\u3044\u65b9\u3082\u591a\u304f\u3044\u3089\u3063\u3057\u3083\u308b\u3068\u601d\u3044\u307e\u3059\u3002M365\u306b\u306f\u3001\u3054\u627f\u77e5\u306e\u901a\u308aSharePoint\u3084OneDrive\u30fbMicrosoft Teams\u306a\u3069\u591a\u304f\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308a\u3001M365 \u76e3\u67fb\u30ed\u30b0\u306b\u306f\u5404\u30b5\u30fc\u30d3\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u3055\u307e\u3056\u307e\u306a\u64cd\u4f5c\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001M365\u4e0a\u3067OneDrive\u3084SharePoint\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u3001Microsoft Teams\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>M365\u30b5\u30fc\u30d3\u30b9\u306e\u4e2d\u3067\u3082\u3001Microsoft Exchange Online\u30b5\u30fc\u30d3\u30b9\u306f\u5916\u90e8\u3068\u4ed5\u4e8b\u3092\u3059\u308b\u4e0a\u3067\u6700\u3082\u5229\u7528\u3055\u308c\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u3054\u7d39\u4ecb\u3059\u308bMicrosoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u884c\u308f\u308c\u305f\u64cd\u4f5c\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u305d\u308c\u4ee5\u5916\u306b\u306fExchange Online Protection\u304c\u51fa\u529b\u3059\u308b\u3001\u8105\u5a01\u3068\u5224\u65ad\u3055\u308c\u305f\u30ed\u30b0\uff08ThreadIntelligence\uff09\u306a\u3069\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u884c\u308f\u308c\u305f\u64cd\u4f5c\u3068\u3057\u3066\u306f\u3001\u30e1\u30fc\u30eb\u524a\u9664\u30fb\u30e1\u30fc\u30eb\u3092\u4e0b\u66f8\u304d\u30d5\u30a9\u30eb\u30c0\u30fc\u3078\u4f5c\u6210\u30fb\u30d5\u30a9\u30eb\u30c0\u30fc\u4f5c\u6210\u30fb\u30e1\u30fc\u30eb\u30dd\u30ea\u30b7\u30fc\u5909\u66f4\u306a\u3069\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30ed\u30b0\u306e\u9805\u76ee\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002\u306a\u304a\u3001\u3054\u5951\u7d04\u306e\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u5185\u5bb9\u306b\u9055\u3044\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u3054\u5951\u7d04\u5185\u5bb9\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002\u9805\u76ee\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.microsoft.com\/ja-jp\/microsoft-365\/compliance\/enable-mailbox-auditing?view=o365-worldwide\" target=\"_blank\" rel=\"noopener\">Microsoft\/\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u76e3\u67fb\u3092\u7ba1\u7406\u3059\u308b<\/a><\/p>\n<p><strong>Microsoft Exchange Online \u76e3\u67fb\u30ed\u30b0(Audit Logs)\u306e\u4e3b\u306a\u53d6\u5f97\u9805\u76ee<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\">ClientInfoString, ClientIP, CreationTime, ExternalAccess, ID, InternalLogonType, LogonType, MailboxGuid, MailboxOwnerUPN, ObjectId, Operation, OrganizationId,Path, Parameters, RecordType, ResultStatus, Subject, UserId, UserKey, UserType, Version, Workload<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u307e\u305f\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u5bfe\u8c61\u5916\u3067\u3059\u304c\u3001M365 \u30e1\u30c3\u30bb\u30fc\u30b8\u8ffd\u8de1 (MessageTrace)\u3068M365 \u30e1\u30c3\u30bb\u30fc\u30b8\u8ffd\u8de1\u8a73\u7d30 (MessageTraceDetail)\u306e2\u3064\u306e\u60c5\u5831\u3082\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u3089\u306fMicrosoft Exchange Online\u304c\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u30e1\u30fc\u30eb\u3092\u9001\u53d7\u4fe1\u3059\u308b\u969b\u306e\u30e1\u30fc\u30eb\u51e6\u7406\u306b\u304a\u3044\u3066\u51fa\u529b\u3055\u308c\u307e\u3059\u3002MessageId\u306a\u3069\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u306b\u304a\u3051\u308b\u8ffd\u8de1\u3092\u3059\u308b\u60c5\u5831\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u53d6\u5f97\u53ef\u80fd\u306a\u9805\u76ee\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p><strong>M365 \u30e1\u30c3\u30bb\u30fc\u30b8\u8ffd\u8de1 (MessageTrace) \u306e\u4e3b\u306a\u53d6\u5f97\u9805\u76ee<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\">Organization, MessageId, MessageTraceId, Received, SenderAddress, RecipientAddress, Subject, Status, ToIP, FromIP, Size<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>M365 \u30e1\u30c3\u30bb\u30fc\u30b8\u8ffd\u8de1\u8a73\u7d30 (MessageTraceDetail) \u306e\u4e3b\u306a\u53d6\u5f97\u9805\u76ee<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\">Organization, MessageId, MessageTraceId, Date, Event, Action, Detail, Data<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6b21\u306bExchange Online Protection\u304c\u51fa\u529b\u3059\u308b\u8105\u5a01\u3068\u5224\u65ad\u3055\u308c\u305f\u30ed\u30b0\uff08ThreadIntelligence\uff09\u3068\u3057\u3066\u306f\u3001MoveToJMF(\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u30fc\u79fb\u52d5)\u3001AddXHeader\u30e1\u30fc\u30eb\u306bX-header\u8ffd\u52a0)\u3001ModifySubject(\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u6307\u5b9a\u3055\u308c\u305f\u60c5\u5831\u3067\u30e1\u30fc\u30eb\u4ef6\u540d\u3092\u5909\u66f4)\u3001Redirect(\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u6307\u5b9a\u3055\u308c\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u30e1\u30fc\u30eb\u30ea\u30c0\u30a4\u30ec\u30af\u30c8)\u3001Delete(\u30e1\u30fc\u30eb\u524a\u9664 (\u30c9\u30ed\u30c3\u30d7))\u3001 Quarantine(\u30e1\u30fc\u30eb\u9694\u96e2)\u306a\u3069\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u539f\u56e0\u304cExchange Online Protection\u306b\u3088\u3063\u3066\u8105\u5a01\u3068\u5224\u65ad\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u6271\u3044\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u3044\u3064\u8d77\u3053\u3063\u305f\u306e\u304b\u628a\u63e1\u3059\u308b\u305f\u3081\u3001\u76e3\u67fb\u30ed\u30b0\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u3069\u306e\u3088\u3046\u306b\u5206\u6790\u3057\u3066\u5f79\u306b\u7acb\u3064\u306e\u304b\u306b\u89e6\u308c\u307e\u3059\u3002\u76e3\u67fb\u30ed\u30b0\u3092\u901a\u3057\u3066Microsoft Exchange Online\u306b\u307e\u3064\u308f\u308b\u30c8\u30e9\u30d6\u30eb\u306e\u65e9\u671f\u5bfe\u5fdc\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u767a\u898b\u306b\u3064\u306a\u3052\u3066\u3001M365\u7ba1\u7406\u8005\u306e\u65e5\u3005\u306e\u696d\u52d9\u8ca0\u62c5\u3092\u8efd\u6e1b\u3059\u308b\u4e00\u52a9\u306b\u306a\u308c\u3070\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10556\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/m365-audit-log-acquisition.png\" alt=\"M365\u76e3\u67fb\u30ed\u30b0\u53d6\u5f97\" width=\"1080\" height=\"567\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/m365-audit-log-acquisition.png 1080w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/m365-audit-log-acquisition-300x158.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/m365-audit-log-acquisition-1024x538.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/m365-audit-log-acquisition-768x403.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Microsoft_Exchange_Online%E3%81%AE%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%81%A8%E3%81%AF\"><\/span>Microsoft Exchange Online\u306e\u76e3\u67fb\u30ed\u30b0\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e0b\u8a18\u306fMicrosoft Exchange Online\u304b\u3089\u5b9f\u969b\u306b\u51fa\u529b\u3055\u308c\u305f\u76e3\u67fb\u30ed\u30b0\u306e\u4e00\u4f8b\u3067\u3059\u3002Microsoft Exchange Online\u306b\u9650\u3089\u305a\u5168\u3066\u306eM365 \u76e3\u67fb\u30ed\u30b0\u306f\u3053\u306e\u3088\u3046\u306bJSON\u3068\u547c\u3070\u308c\u308b\u5f62\u5f0f\u3067\u51fa\u529b\u3055\u308c\u307e\u3059\u3002\u5168\u3066\u306e\u30ed\u30b0\u306b\u306f\u5171\u901a\u60c5\u5831\u3068\u3057\u3066CreationTime\uff08\u64cd\u4f5c\u30ed\u30b0\u306e\u6642\u9593\uff09\u3001Workload\uff08\u30ed\u30b0\u3092\u51fa\u529b\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u540d\uff09\u3001UserId\uff08\u64cd\u4f5c\u3057\u305f\u30e6\u30fc\u30b6\u30fcID\uff09\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10564\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails.png\" alt=\"\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u30e1\u30fc\u30eb\u304c\u524a\u9664\u64cd\u4f5c\u3055\u308c\u305f\u3053\u3068\u3092\u3042\u3089\u308f\u3059\u76e3\u67fb\u30ed\u30b0\" width=\"943\" height=\"481\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails.png 943w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails-300x153.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails-768x392.png 768w\" sizes=\"auto, (max-width: 943px) 100vw, 943px\" \/><br \/>\n\u203b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u30e1\u30fc\u30eb\u304c\u524a\u9664\u64cd\u4f5c\u3055\u308c\u305f\u3053\u3068\u3092\u3042\u3089\u308f\u3059\u76e3\u67fb\u30ed\u30b0\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u3053\u308c\u306f\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u30e1\u30fc\u30eb\u3092\u524a\u9664\u3057\u305f\u76e3\u67fb\u30ed\u30b0\u306e\u4f8b\u3067\u3059\u3002Operation\u306e\u300cSoftDelete\u300d\u306f\u30e1\u30fc\u30eb\u306e\u5b8c\u5168\u524a\u9664\u304b\u3001\u300c\u524a\u9664\u6e08\u307f\u30a2\u30a4\u30c6\u30e0\u300d\u30d5\u30a9\u30eb\u30c0\u30fc\u304b\u3089\u524a\u9664\u3092\u6307\u3057\u307e\u3059\u3002UserId\u306f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u30e1\u30fc\u30eb\u3092\u64cd\u4f5c\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u3059\u3002\u4eee\u306b\u5225\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u4ee3\u7406\u64cd\u4f5c\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u4e0d\u6b63\u306b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3092\u64cd\u4f5c\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Subject\u306f\u30e1\u30fc\u30eb\u4ef6\u540d\u3001Attachments\u306f\u30e1\u30fc\u30eb\u306b\u6dfb\u4ed8\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u3059\u3002\u305d\u306e\u4ed6\u306e\u60c5\u5831\u3068\u3057\u3066\u306f\u3001ClientIPAddress\uff08\u7aef\u672b\u306eIP\u30a2\u30c9\u30ec\u30b9\uff09\u3001CreationTime\uff08\u53d7\u4fe1\u3057\u305f\u6642\u9593\uff09\u3001InternetMessageId(\u30e1\u30fc\u30eb\u3092\u7279\u5b9a\u3059\u308bID)\u3001MailboxOwnerUPN\uff08\u4e0b\u304b\u3089\uff18\u884c\u76ee\uff09\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30aa\u30fc\u30ca\u30fc\u3092\u3042\u3089\u308f\u3059\u30e6\u30fc\u30b6\u30fc\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Microsoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u306e\u3069\u306e\u3088\u3046\u306a\u64cd\u4f5c\u304c\u884c\u308f\u308c\u305f\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10565\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails2.png\" alt=\"Microsoft Exchange Online\u4e0a\u3067\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u305f\u3053\u3068\u3092\u3042\u3089\u308f\u3059\u76e3\u67fb\u30ed\u30b0\" width=\"938\" height=\"500\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails2.png 938w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails2-300x160.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeLogDetails2-768x409.png 768w\" sizes=\"auto, (max-width: 938px) 100vw, 938px\" \/><br \/>\n\u203bMicrosoft Exchange Online\u4e0a\u3067\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u305f\u3053\u3068\u3092\u3042\u3089\u308f\u3059\u76e3\u67fb\u30ed\u30b0\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u3053\u308c\u306fMicrosoft Exchange Online\u4e0a\u3067\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u305f\u969b\u306e\u76e3\u67fb\u30ed\u30b0\u4f8b\u3067\u3059\u3002Operation\uff08\u4e0a\u304b\u30894\u884c\u76ee\uff09\u306e\u300cTIMailData\u300d\u306f\u3001ThreadIntelligenceMailData\u306e\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u30c7\u30fc\u30bf\u306b\u304a\u3051\u308b\u8105\u5a01\u306b\u5f15\u3063\u304b\u304b\u3063\u305f\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002DeliveryAction\uff08Operation\u306e\u5de6\u5074\uff09\u306b\u300cBlocked\u300d\u3068\u3042\u308b\u306e\u3067\u3001\u3053\u306e\u30e1\u30fc\u30eb\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002PolicyAction\u306e\u300cQuarantine\u300d\u306f\u30e1\u30fc\u30eb\u9694\u96e2\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>Verdict(\u5224\u5b9a)\u306f\u300cPhish\u300d\u3068\u3042\u308a\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002Subject\u306f\u30e1\u30fc\u30eb\u4ef6\u540d\u3001\u305d\u306e\u4ed6\u306e\u60c5\u5831\u3068\u3057\u3066\u306f\u3001SenderIp\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\uff09\u3001CreationTime\uff08\u51e6\u7406\u3057\u305f\u6642\u9593\uff09\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ed6\u306b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u304b\u3069\u3046\u304b\u3092\u898b\u5206\u3051\u308b\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u306f\u3001P1Sender\u3068P2Sender\u306e\u60c5\u5831\u304c\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002P1Sender\u306fEnvelopeFrom\u307e\u305f\u306fMailFrom\u3068\u547c\u3070\u308c\u3066\u304a\u308a\u3001SMTP(\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30e1\u30fc\u30eb\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u969b)\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002<\/p>\n<p>\u901a\u5e38\u30e1\u30c3\u30bb\u30fc\u30b8\u30d8\u30c3\u30c0\u30fc\u306e Return-Path \u30d8\u30c3\u30c0\u30fc\u306b\u3082\u8a18\u9332\u3055\u308c\u307e\u3059(\u9001\u4fe1\u5074\u3067\u5225\u306eReturn-Path \u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059)\u3002P2Sender\u306f\u3001HeaderFrom\u307e\u305f\u306f\u300c\u5dee\u51fa\u4eba\u300d\u3068\u547c\u3070\u308c\u3066\u304a\u308a\u3001\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u4e0a\u3067\u8868\u793a\u3055\u308c\u308b\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u306e\u5834\u5408\u3001\u3053\u306eP2Sender\u3092\u507d\u88c5\u3059\u308b\u3001Return-Path\u3092\u66f8\u304d\u63db\u3048\u3066\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u7528\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u4f7f\u3046\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u308c\u3066\u304f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Exchange Online Protection\u306e\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u5bfe\u7b56\u306f\u6d17\u7df4\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082\u8aa4\u3063\u3066\u6b63\u3057\u3044\u30e1\u30fc\u30eb\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u79fb\u52d5\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u3066\u3044\u306a\u3044\u539f\u56e0\u304cExchange Online Protection\u306b\u3088\u3063\u3066\u8105\u5a01\u3068\u5224\u65ad\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u6271\u3044\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u305d\u3046\u3057\u305f\u5834\u5408\u306f\u3001\u3053\u306e\u76e3\u67fb\u30ed\u30b0\u304c\u3068\u3066\u3082\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>Microsoft\u793e\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0\u3092\u8abf\u67fb\u3057\u3066\u3082\u3089\u3046\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u304c\u3001\u3068\u3066\u3082\u6642\u9593\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u76e3\u67fb\u30ed\u30b0\u3092\u53d6\u3063\u3066\u304a\u304f\u3053\u3068\u3067\u7ba1\u7406\u8005\u3068\u3057\u3066Microsoft\u793e\u306b\u983c\u3089\u305a\u3001\u30e1\u30fc\u30eb\u306b\u307e\u3064\u308f\u308b\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u3092\u65e9\u3081\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Microsoft_Exchange_Online%E3%81%AE%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%82%92%E5%AE%9F%E9%9A%9B%E3%81%AB%E8%A6%8B%E3%82%8B%E3%81%AB%E3%81%AF\"><\/span>Microsoft Exchange Online\u306e\u76e3\u67fb\u30ed\u30b0\u3092\u5b9f\u969b\u306b\u898b\u308b\u306b\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M365 \u76e3\u67fb\u30ed\u30b0\u306f\u3001\u901a\u5e38M365\u306e\u7ba1\u7406\u753b\u9762\u4e0a\u304b\u3089\u76e3\u67fb\u30ed\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u3058\u7ba1\u7406\u753b\u9762\u4e0a\u3067\u4e0b\u8a18\u306e\u753b\u9762\u304b\u3089\u691c\u7d22\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10558\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365logsearch.png\" alt=\"\u5168\u3066\u306e\u76e3\u67fb\u30ed\u30b0\u3092\u691c\u7d22\u3067\u304d\u308b\u753b\u9762\" width=\"1080\" height=\"414\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365logsearch.png 1080w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365logsearch-300x115.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365logsearch-1024x393.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365logsearch-768x294.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u3053\u306e\u753b\u9762\u3067\u306f\u3001\u5168\u3066\u306e\u76e3\u67fb\u30ed\u30b0\u3092\u691c\u7d22\u3067\u304d\u307e\u3059\u304c\u3001\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u30ed\u30b0\u5206\u6790\u3084\u8868\u793a\u3092\u81ea\u7531\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u53ce\u96c6\u3057\u305f\u30ed\u30b0\u306fCSV\u5f62\u5f0f\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u304c\u3001\u958b\u304f\u3068\u5148\u307b\u3069\u306eJSON\u5f62\u5f0f\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u4eba\u304c\u898b\u308b\u306b\u306f\u304b\u306a\u308a\u6271\u3044\u306b\u304f\u3044\u306e\u3067\u306f\u3068\u601d\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30ed\u30b0\u308290\u65e5\u3057\u304b\u4fdd\u7ba1\u304c\u51fa\u6765\u306a\u3044\u3068\u3044\u3063\u305f\u5236\u7d04\u304c\u3042\u308a\u307e\u3059(E5\u30e6\u30fc\u30b6\u30fc\u306a\u3069\u4e0a\u4f4d\u30af\u30e9\u30b9\u306e\u30b3\u30b9\u30c8\u3092\u304b\u3051\u305f\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u5951\u7d04\u3059\u308b\u3068\u76e3\u67fb\u30ed\u30b0\u306e\u4fdd\u5b58\u671f\u9593\u306f\u4f38\u3070\u305b\u307e\u3059)\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u5f0a\u793e\u304c\u958b\u767a\u3059\u308bLogStare Collector\u3092\u4f7f\u3063\u306690\u65e5\u3092\u8d85\u3048\u308b\u4efb\u610f\u306e\u671f\u9593\u30ed\u30b0\u3092\u5727\u7e2e(\u7d0410\u5206\u306e1\u306b)\u3057\u3066\u9577\u671f\u9593\u4fdd\u7ba1\u3059\u308b\u4ed5\u7d44\u307f\u3068\u3001\u5f0a\u793e\u306e\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u30ed\u30b0\u5206\u6790\u3084\u8868\u793a\u3092\u81ea\u7531\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002CSV\u5f62\u5f0f\u3067\u30ed\u30b0\u3082\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u3001PDF\u306a\u3069\u306e\u5e33\u7968\u30ec\u30dd\u30fc\u30c8\u3082\u51fa\u529b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10569\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-MicrosoftTeams-image.png\" alt=\"LogStare Collector \u3067M365\u76e3\u67fb\u30ed\u30b0\u3092\u53ce\u96c6\u3057\u3066\u691c\u7d22\u3059\u308b\" width=\"1575\" height=\"749\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-MicrosoftTeams-image.png 1575w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-MicrosoftTeams-image-300x143.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-MicrosoftTeams-image-1024x487.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-MicrosoftTeams-image-768x365.png 768w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-MicrosoftTeams-image-1536x730.png 1536w\" sizes=\"auto, (max-width: 1575px) 100vw, 1575px\" \/><br \/>\n\u203bLogStare Collector \u3067M365\u76e3\u67fb\u30ed\u30b0\u3092\u53ce\u96c6\u3057\u3066\u691c\u7d22\u3059\u308b\u753b\u9762\u30a4\u30e1\u30fc\u30b8<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10543\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportSample.png\" alt=\"\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9(LogStare Reporter)\u3092\u4f7f\u3063\u3066\u30ed\u30b0\u3092\u5206\u6790\" width=\"1534\" height=\"768\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportSample.png 1534w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportSample-300x150.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportSample-1024x513.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportSample-768x385.png 768w\" sizes=\"auto, (max-width: 1534px) 100vw, 1534px\" \/><br \/>\n\u203b\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3063\u3066\u30ed\u30b0\u3092\u5206\u6790\u3059\u308b\u753b\u9762\u30a4\u30e1\u30fc\u30b8<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10542\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportPDFImage.png\" alt=\"LogStare Reporter\u3092\u4f7f\u3063\u3066\u51fa\u529b\u3057\u305fM365 \u76e3\u67fb\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\" width=\"1115\" height=\"444\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportPDFImage.png 1115w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportPDFImage-300x119.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportPDFImage-1024x408.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/AzureActiveDirectory-M365LSCReporterReportPDFImage-768x306.png 768w\" sizes=\"auto, (max-width: 1115px) 100vw, 1115px\" \/><br \/>\n\u203b\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3063\u3066\u51fa\u529b\u3057\u305fM365 \u76e3\u67fb\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u30a4\u30e1\u30fc\u30b8<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Microsoft_Exchange_Online%E7%9B%A3%E6%9F%BB%E3%83%AD%E3%82%B0%E3%82%92%E5%88%86%E6%9E%90%E3%81%97%E3%81%A6%E3%81%BF%E3%81%9F\"><\/span>Microsoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u3092\u5206\u6790\u3057\u3066\u307f\u305f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u3053\u3067\u306f\u3001LogStare Collector \u3068\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9(LogStare Reporter)\u3092\u901a\u3057\u3066\u53ce\u96c6\u3057\u305fMicrosoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u3092\u5206\u6790\u3057\u305f\u8a73\u7d30\u624b\u9806\u3092\u3054\u6848\u5185\u3057\u3066\u3044\u307e\u3059\u3002\u5927\u307e\u304b\u306a\u6d41\u308c\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002\u4eca\u56de\u306f\u524d\u65e5\u5206\u306eMicrosoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u3092\u5bfe\u8c61\u306b\u5206\u6790\u3057\u307e\u3057\u305f\u3002\u5206\u6790\u306b\u304b\u304b\u3063\u305f\u6642\u9593\u306f\u3082\u306e\u306e\u6570\u5206\u7a0b\u5ea6\u3067\u3057\u305f(\u203b\u5b9f\u969b\u306f\u305d\u306e\u6642\u306b\u5206\u6790\u3059\u308b\u30ed\u30b0\u91cf\u3084\u5bfe\u8c61\u671f\u9593\u306b\u3082\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4e88\u3081\u3054\u4e86\u627f\u304f\u3060\u3055\u3044)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10560\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSCReporterReportStep1.png\" alt=\"LogStare Reporter\u3067M365\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\u3059\u308b\" width=\"1698\" height=\"508\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSCReporterReportStep1.png 1698w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSCReporterReportStep1-300x90.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSCReporterReportStep1-1024x306.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSCReporterReportStep1-768x230.png 768w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSCReporterReportStep1-1536x460.png 1536w\" sizes=\"auto, (max-width: 1698px) 100vw, 1698px\" \/>\u203bLogStare Reporter\u3067M365\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\u3059\u308b\u753b\u9762\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u307e\u305a\u3001\u5f0a\u793e\u306e\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9(LogStare Reporter)\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3059\u3002\u6b21\u306b\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001\u30ec\u30dd\u30fc\u30c8\u4e00\u89a7\u304b\u3089M365\u30ed\u30b0\u30ec\u30dd\u30fc\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u3053\u306e\u753b\u9762\u3067\u306f63\u500b\u306e\u30ec\u30dd\u30fc\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u30ec\u30dd\u30fc\u30c8\u95b2\u89a7\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3053\u3068\u3067\u3001\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10566\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeSummary.png\" alt=\"Exchange\u30b5\u30de\u30ea\u30ec\u30dd\u30fc\u30c8\u753b\u9762\" width=\"892\" height=\"1380\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeSummary.png 892w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeSummary-194x300.png 194w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeSummary-662x1024.png 662w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeSummary-768x1188.png 768w\" sizes=\"auto, (max-width: 892px) 100vw, 892px\" \/><\/p>\n<p>\u203bExchange\u30b5\u30de\u30ea\u30ec\u30dd\u30fc\u30c8\u753b\u9762\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u6570\u3042\u308b\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u4e2d\u304b\u3089\u3001\u300c600.Exchange\u30b5\u30de\u30ea\u300d\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30b5\u30de\u30ea\u30ec\u30dd\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001\u6628\u65e51\u65e5\u5206\u306eMicrosoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u304b\u3089\u3001\u305d\u306e\u65e5\u306b\u3042\u3063\u305f\u5168\u3066\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3078\u306e\u64cd\u4f5c\u3092\u5206\u6790\u3057\u3066\u3044\u307e\u3059\u3002\u8077\u5834\u3084\u5b66\u6821\u306e\u62c5\u5f53\u8005\u304c\u5168\u54e1\u30e1\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u65e5\u3005\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u3044\u308b\u6642\u9593\u3082\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u306e\u64cd\u4f5c\u304c\u4e00\u89a7\u3068\u306a\u3063\u3066\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10563\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeSecurityLogAlert.png\" alt=\"\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u4e0d\u6b63\u306b\u64cd\u4f5c\u3055\u308c\u305f\u3068\u304d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ed\u30b0\u30a2\u30e9\u30fc\u30c8\u8a2d\u5b9a\u4f8b\" width=\"1402\" height=\"665\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeSecurityLogAlert.png 1402w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeSecurityLogAlert-300x142.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeSecurityLogAlert-1024x486.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeSecurityLogAlert-768x364.png 768w\" sizes=\"auto, (max-width: 1402px) 100vw, 1402px\" \/><br \/>\n\u203b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u4e0d\u6b63\u306b\u64cd\u4f5c\u3055\u308c\u305f\u3068\u304d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ed\u30b0\u30a2\u30e9\u30fc\u30c8\u8a2d\u5b9a\u4f8b\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u3054\u53c2\u8003\u307e\u3067\u306b\u3001\u5f0a\u793e\u306e\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9(LogStare Reporter)\u3067\u306f\u3001\u7279\u5b9a\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u304a\u3044\u3066\u30aa\u30fc\u30ca\u30fc\u3068\u7570\u306a\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u64cd\u4f5c\u3057\u305f\u5834\u5408\u306b\u30a2\u30e9\u30fc\u30c8\u30e1\u30fc\u30eb\u3092\u98db\u3070\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u5171\u6709\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u5834\u5408\u3067\u3082\u64cd\u4f5c\u3057\u305f\u30e6\u30fc\u30b6\u30fc\uff08UserId\uff09\u3068\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30aa\u30fc\u30ca\u30fc\u30e6\u30fc\u30b6\u30fc\uff08MailboxOwnerUPN\uff09\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u5171\u6709\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3067\u306f\u306a\u3044\u7279\u5b9a\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u5229\u7528\u3059\u308b\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u5bfe\u3057\u30661\u65e51\u56de\u591c\u4e2d\u306e2\u6642\u306b\u524d\u65e5\u306e1\u65e5\u5206\u306e\u30ed\u30b0\u3092\u5bfe\u8c61\u306bMailboxOwnerUPN\u306b\u8a18\u9332\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3068UserId\u306b\u3042\u308b\u64cd\u4f5c\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u304ctest@test.com\u3068\u3057\u3066\u304a\u4e92\u3044\u306b\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u3001m365@logstare.com\u3068\u3044\u3046\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ed\u30b0\u30a2\u30e9\u30fc\u30c8\u3068\u3057\u3066\u901a\u77e5\u3057\u3066\u3044\u308b\u4f8b\u3067\u3059\u3002<\/p>\n<p>CEO\u3084\u91cd\u8981\u30dd\u30b9\u30c8\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a71\u3092\u623b\u3057\u3066\u4eca\u56de\u306e\u30ed\u30b0\u5206\u6790\u306e\u89b3\u70b9\u3068\u3057\u3066\u3001\u4f8b\u3048\u3070SoftDelete(\u30e1\u30fc\u30eb\u306e\u5b8c\u5168\u524a\u9664\u3001\u300c\u524a\u9664\u6e08\u307f\u30a2\u30a4\u30c6\u30e0\u300d\u30d5\u30a9\u30eb\u30c0\u30fc\u304b\u3089\u524a\u9664\u3001\u203b\u56de\u5fa9\u53ef\u80fd\u306a\u524a\u9664\u6e08\u30a2\u30a4\u30c6\u30e0\u306f\u300c\u56de\u5fa9\u53ef\u80fd\u306a\u30a2\u30a4\u30c6\u30e0\u300d\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u79fb\u52d5)\u3084HardDelete(\u30e1\u30fc\u30eb\u304c\u300c\u56de\u5fa9\u53ef\u80fd\u306a\u30a2\u30a4\u30c6\u30e0\u300d\u30d5\u30a9\u30eb\u30c0\u30fc\u304b\u3089\u524a\u9664)\u306f\u30e1\u30fc\u30eb\u306e\u524a\u9664\u64cd\u4f5c\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e00\u898b\u666e\u901a\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u524a\u9664\u3059\u308b\u30e1\u30fc\u30eb\u306e\u6570\u304c\u3042\u307e\u308a\u306b\u591a\u3044\u5834\u5408\u306f\u3088\u307b\u3069\u4e0d\u8981\u306a\u30e1\u30fc\u30eb\u304c\u591a\u6570\u5c4a\u3044\u3066\u304a\u308a\u3001\u305d\u306e\u524a\u9664\u5bfe\u5fdc\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u30b9\u30c8\u30ec\u30b9\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10561\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails.png\" alt=\"SoftDelete\u306e\u30ed\u30b047\u4ef6\u306e\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u753b\u9762\" width=\"1099\" height=\"687\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails.png 1099w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails-300x188.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails-1024x640.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails-768x480.png 768w\" sizes=\"auto, (max-width: 1099px) 100vw, 1099px\" \/>\u203bSoftDelete\u306e\u30ed\u30b047\u4ef6\u306e\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u753b\u9762\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u5b9f\u969b\u306bSoftDelete\u306b\u3064\u3044\u3066\u8a73\u7d30\u3092\u8ffd\u3063\u3066\u307f\u307e\u3059\u3002\u5148\u307b\u3069\u306e\u300c600.Exchange\u30b5\u30de\u30ea\u300d\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u30b5\u30de\u30ea\u30ec\u30dd\u30fc\u30c8\u304b\u3089\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u305d\u306e\u4e0b\u306b\u3042\u308b\u30ed\u30b0\u8868\u793a\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002\u4e0a\u8a18\u306e\u901a\u308a\u300147\u4ef6\u306e\u751f\u30ed\u30b0\u304c\u9805\u76ee\u306b\u5206\u3051\u3089\u308c\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4e2d\u3067UserId\u304c\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u3092\u64cd\u4f5c\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u3059\u3002AffectedItems\u306b\u793a\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u306fSoftDelete\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u6982\u8981\u3067\u3059\u304c\u3001\u4e0b\u66f8\u304d\u30e1\u30fc\u30eb\u304c\u591a\u304f\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u4eca\u56de\u306e\u524a\u9664\u304c\u591a\u3044\u7406\u7531\u306f\u3001\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3084\u4e0d\u8981\u30e1\u30fc\u30eb\u304c\u591a\u3044\u305f\u3081\u306b\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u8a33\u3067\u306f\u306a\u304f\u3001\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e0a\u3067\u30e1\u30fc\u30eb\u4f5c\u6210\u6642\u306b\u81ea\u52d5\u3067\u4e0b\u66f8\u304d\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30e1\u30fc\u30eb\u304c\u4e0d\u8981\u306b\u306a\u308a\u3001\u90fd\u5ea6\u305d\u306e\u4e0b\u66f8\u304d\u30e1\u30fc\u30eb\u3092\u524a\u9664\u3057\u3066\u3044\u308b\u3053\u3068\u3067\u767a\u751f\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10562\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails2.png\" alt=\"\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u53d7\u4fe1\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u7d50\u679c\u753b\u9762\" width=\"576\" height=\"421\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails2.png 576w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365LSRMicrosoftExchangeDetails2-300x219.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><br \/>\n\u203b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u53d7\u4fe1\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u7d50\u679c\u753b\u9762\u30a4\u30e1\u30fc\u30b8<\/p>\n<p>\u5148\u307b\u3069\u306eMicrosoft Exchange 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loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10567\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary.png\" alt=\"\u8105\u5a01\u306e\u3042\u3063\u305f\u30ed\u30b0\u30b5\u30de\u30ea\u30fc\u753b\u9762\u30ec\u30dd\u30fc\u30c8\" width=\"1392\" height=\"707\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary.png 1392w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary-300x152.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary-1024x520.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary-768x390.png 768w\" sizes=\"auto, (max-width: 1392px) 100vw, 1392px\" \/><br \/>\n\u203b\u8105\u5a01\u306e\u3042\u3063\u305f\u30ed\u30b0\u30b5\u30de\u30ea\u30fc\u753b\u9762\u30ec\u30dd\u30fc\u30c8<\/p>\n<p>\u6b21\u306b\u30ed\u30b0\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304b\u3089\u300c903.\u8105\u5a01\u691c\u77e5\u30ed\u30b0(Exchange\/Defender)\u30b5\u30de\u30ea\u300d\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u30b5\u30de\u30ea\u30ec\u30dd\u30fc\u30c8\u3092\u898b\u3066\u307f\u307e\u3059\u3002\u3053\u308c\u306f\u524d\u306e\u7ae0\u3067\u3054\u6848\u5185\u3057\u305f\u3001\u8105\u5a01\u3068\u5224\u65ad\u3055\u308c\u305f\u30ed\u30b0\uff08ThreadIntelligence\u30ed\u30b0\uff09\u306b\u95a2\u9023\u3059\u308bVerdict(\u8a55\u4fa1)\u3068PolicyAction\uff08\u9694\u96e2\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u30fc\u3078\u79fb\u52d5\u306a\u3069\uff09\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u3059\u3002\u6570\u304c\u591a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u305d\u308c\u3060\u3051\u8105\u5a01\u3068\u306a\u308b\u30e1\u30fc\u30eb\u3092\u591a\u304f\u51e6\u7406\u3057\u305f\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u51e6\u7406\u5185\u5bb9\u306b\u3088\u3063\u3066\u306f\u30e1\u30fc\u30eb\u304c\u524a\u9664\u3055\u308c\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u5c4a\u3044\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10568\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary2.png\" alt=\"\u8105\u5a01\u306e\u3042\u3063\u305f\u30ed\u30b0\u8a73\u7d30\u753b\u9762\u30ec\u30dd\u30fc\u30c8\" width=\"1806\" height=\"516\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary2.png 1806w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary2-300x86.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary2-1024x293.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary2-768x219.png 768w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/02\/exchange-online-spam-M365MicrosoftExchangeThreadSummary2-1536x439.png 1536w\" sizes=\"auto, (max-width: 1806px) 100vw, 1806px\" \/><br 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Online Protection\u3092\u3059\u308a\u629c\u3051\u3066\u554f\u984c\u306e\u306a\u3044\u30e1\u30fc\u30eb\u3068\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u5c4a\u3044\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b89\u5fc3\u3068\u601d\u3063\u3066\u30e1\u30fc\u30eb\u3092\u958b\u3044\u3066\u3044\u308b\u3053\u3068\u304c\u767a\u898b\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u4ee5\u4e0a\u304c\u3001\u300cMicrosoft Exchange Online\u306e\u30b9\u30d1\u30e0\u5bfe\u7b56\uff5cMicrosoft365\/Office365\u306e\u76e3\u67fb\u30ed\u30b0\u304b\u3089\u5206\u6790\u3057\u3066\u307f\u305f\u300d\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u30ed\u30b0\u5206\u6790\u57fa\u76e4\u30b5\u30fc\u30d3\u30b9\u306e\u8a73\u7d30\u306f<a href=\"https:\/\/www.logstare.com\/logstarem365\/\">\u3053\u3061\u3089<\/a><br \/>\n\u8a55\u4fa1\u7248\u3082\u7528\u610f\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%80%E9%80%9A%E3%82%8A%E3%81%AE%E8%A8%AD%E5%AE%9A%E3%82%92%E7%B5%82%E3%81%88%E3%81%A6\"><\/span>\u4e00\u901a\u308a\u306e\u8a2d\u5b9a\u3092\u7d42\u3048\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u3053\u307e\u3067\u3067Microsoft Exchange Online \u76e3\u67fb\u30ed\u30b0\u306e\u3054\u7d39\u4ecb\u3068\u3001LogStare Collector\u3068LogStare Reporter\u3092\u901a\u3057\u3066 Microsoft Exchange Online \u76e3\u67fb\u30ed\u30b0\u3092\u5206\u6790\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u88fd\u54c1\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u6a19\u6e96\u306eM365\u306e\u7ba1\u7406\u753b\u9762\u3088\u308a\u3082\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u3067\u5206\u304b\u308a\u3084\u3059\u304f\u5206\u6790\u3067\u304d\u308b\u3053\u3068\u304c\u3054\u89a7\u3044\u305f\u3060\u3051\u305f\u3068\u601d\u3044\u307e\u3059\u3002\u307e\u305f\u898b\u3066\u3044\u304f\u4e2d\u3067\u6a19\u6e96\u306b\u51fa\u529b\u3055\u308c\u308bMicrosoft Exchange Online\u76e3\u67fb\u30ed\u30b0\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u7ba1\u7406\u8005\u3068\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u6271\u3048\u3070\u3088\u3044\u306e\u304b\u304c\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>M365\u306b\u9650\u3089\u305a\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306f\u4e16\u754c\u4e2d\u3069\u3053\u304b\u3089\u3067\u308224\u6642\u9593\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u304b\u3089\u3001\u4e57\u3063\u53d6\u3089\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u3060\u3068\u4e00\u5927\u4e8b\u3067\u3059\u3002\u307e\u305f\u3001\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u539f\u56e0\u304c\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u308b\u306a\u3069\u7ba1\u7406\u8005\u306e\u6c17\u304c\u3064\u304b\u306a\u3044\u3053\u3068\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3082\u30af\u30e9\u30a6\u30c9\u4e0a\u3067\u306f\u591a\u304f\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7ba1\u7406\u8005\u306f\u65e5\u3005\u5fd9\u3057\u3044\u4e2d\u3067\u30b7\u30b9\u30c6\u30e0\u306e\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u3060\u3051\u3067\u306a\u304f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3082\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u3053\u3046\u3057\u305f\u898b\u3048\u308b\u5316\u306f\u3001\u4eca\u5f8c\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u304f\u308b\u50cd\u304d\u65b9\u6539\u9769\u3084DX\u63a8\u9032\u306b\u5411\u3051\u3066\u3082\u975e\u5e38\u306b\u5927\u4e8b\u306b\u306a\u3063\u3066\u304f\u308b\u8981\u7d20\u3068\u8003\u3048\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u7d30\u304b\u3044\u8aac\u660e\u306f\u7701\u3044\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u8a2d\u5b9a\u3084\u52d5\u4f5c\u306a\u3069\u6c17\u306b\u306a\u308b\u3053\u3068\u3084\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u5fdc\u3057\u3066\u6b32\u3057\u3044\u3068\u3044\u3063\u305f\u8981\u671b\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u662f\u975e\u304a\u554f\u3044\u5408\u308f\u305b\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u307e\u3067\u3054\u89a7\u3044\u305f\u3060\u304d\u8aa0\u306b\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002 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