{"id":16519,"date":"2026-05-27T09:01:38","date_gmt":"2026-05-27T00:01:38","guid":{"rendered":"https:\/\/m365jp.net\/?p=16519"},"modified":"2026-05-27T09:08:09","modified_gmt":"2026-05-27T00:08:09","slug":"mc1239175-updated-microsoft-purview-data-security-investigations-ai-analysis-enhancements","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-05-27-mc1239175-updated-microsoft-purview-data-security-investigations-ai-analysis-enhancements","title":{"rendered":"MC1239175 | (Updated) Microsoft Purview: Data Security Investigations \u2013 AI analysis enhancements"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1239175 | (Updated) Microsoft Purview: Data Security Investigations \u2013 AI analysis enhancements<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>stayInformed<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>05\/26\/2026 23:05:54<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>02\/26\/2026 00:19:48<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>07\/20\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p>Updated May 26, 2026: We have updated the timeline. Thank you for your patience.&nbsp;<\/p>\n<p><b>[Introduction]<\/b><\/p>\n<p>We\u2019re enhancing AI analysis in Data Security Investigations (DSI) to help analysts evaluate risky content more efficiently. These updates streamline the workflow by automatically preparing items for AI analysis as they&#8217;re added to an investigation and by   introducing a new standard categorization option. Standard categorization can reduce time and cost, while advanced categorization\u2014including AI\u2011generated topics\u2014remains available.<\/p>\n<p>This message is associated with <b>Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=557556\" target=\"_blank\">  557556<\/a><\/b>.<\/p>\n<p><b>[When this will happen]<\/b><\/p>\n<ul>\n<li><b>Public Preview: <\/b>Rolling out<b> mid\u2011March 2026<\/b> through <b>mid\u2011April 2026<\/b>.<\/li>\n<li><b>General Availability (Worldwide): <\/b>Rolling out <b>mid\u2011April 2026<\/b> through  <b>mid-June 2026<\/b> (previously<b>&nbsp;mid\u2011May)<\/b>.<\/li>\n<\/ul>\n<p><b>[How this will affect your organization]<\/b><\/p>\n<p><i>Who is affected<\/i><\/p>\n<ul>\n<li>Microsoft Purview administrators and analysts using Data Security Investigations.<\/li>\n<li>All Microsoft 365 tenants with access to DSI capabilities.<\/li>\n<\/ul>\n<p>What will happen<\/p>\n<ul>\n<li>Items added to an investigation will be<b> automatically prepared for AI analysis<\/b>, reducing manual steps.<\/li>\n<li>A new <b>standard categorization <\/b>option will be available.<\/li>\n<li><b>Advanced categorization<\/b> (including AI\u2011generated topics) remains available.<\/li>\n<li>No changes to existing admin settings\u2014<b>feature is enabled by default<\/b> as part of the DSI workflow.<\/li>\n<li>Users may notice:\n<ul>\n<li>Faster categorization and analysis readiness.<\/li>\n<li>An updated categorization selection interface.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><i>Screenshot &#8211; Data Security Investigations standard vs. advanced categorization:<\/i><\/p>\n<p>&nbsp;<img decoding=\"async\" style=\"width: 400px\" alt=\"user settings\" src=\"https:\/\/cxcs.microsoft.net\/static\/public\/messagecenter\/neutral\/4eb135a4-33e7-4369-8bed-11ea1d4ef7dc\/c086cc36be065fd9e183862e97f93aef29477289.png\"><\/p>\n<p><b>[What you can do to prepare]<\/b><\/p>\n<p>No admin action is required before rollout.<\/p>\n<p>To prepare:<\/p>\n<ul>\n<li>Inform analysts and relevant security operations staff about the new categorization options.<\/li>\n<li>Update internal documentation if you describe DSI workflows or categorization processes.<\/li>\n<\/ul>\n<p>Learn:<\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/purview\/data-security-investigations\" target=\"_blank\">Learn about Data Security Investigations | Microsoft Purview | Microsoft Learn<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/purview\/data-security-investigations-ai-analysis\" target=\"_blank\">Use AI analysis in Data Security Investigations | Microsoft Purview | Microsoft Learn<\/a><\/li>\n<\/ul>\n<p><b>[Compliance considerations]<\/b><\/p>\n<p>No compliance considerations identified. Review as appropriate for your organization.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p>2026\u5e745\u670826\u65e5\u66f4\u65b0:\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u66f4\u65b0\u3057\u307e\u3057\u305f\u3002\u3054\u8f9b\u62b1\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002&nbsp;<\/p>\n<p><b>[\u306f\u3058\u3081\u306b]<\/b><\/p>\n<p>\u79c1\u305f\u3061\u306f\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8abf\u67fb(DSI)\u306b\u304a\u3051\u308bAI\u5206\u6790\u3092\u5f37\u5316\u3057\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u304c\u30ea\u30b9\u30af\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u8a55\u4fa1\u3067\u304d\u308b\u3088\u3046\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u8abf\u67fb\u306b\u8ffd\u52a0\u3055\u308c\u308b\u9805\u76ee\u3092\u81ea\u52d5\u7684\u306bAI\u5206\u6790\u306e\u305f\u3081\u306b\u6e96\u5099\u3057\u3001\u65b0\u3057\u3044\u6a19\u6e96\u5206\u985e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u52b9\u7387\u5316\u3057\u307e\u3059\u3002\u6a19\u6e96\u7684\u306a\u5206\u985e\u306f\u6642\u9593\u3068\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u304c\u3001AI\u751f\u6210\u306e\u30c8\u30d4\u30c3\u30af\u3092\u542b\u3080\u9ad8\u5ea6\u306a\u5206\u985e\u3082\u5f15\u304d\u7d9a\u304d\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f <b>Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=557556\" target=\"_blank\">  557556<\/a><\/b>\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><b>[\u3044\u3064\u8d77\u3053\u308b\u304b]<\/b><\/p>\n<ul>\n<li><b>\u516c\u958b\u30d7\u30ec\u30d3\u30e5\u30fc: <\/b><b>2026\u5e743\u6708\u4e2d\u65ec<\/b>\u304b\u3089<b>4\u6708\u4e2d\u65ec<\/b>\u307e\u3067\u5c55\u958b\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><b>\u4e00\u822c\u516c\u958b(\u4e16\u754c): <\/b><b>2026\u5e744\u6708\u4e2d\u65ec<\/b>\u304b\u3089<b>6\u6708\u4e2d\u65ec<\/b>\u307e\u3067(\u4ee5\u524d<b>&nbsp;\u306f5\u6708\u4e2d\u65ec)<\/b>\u5c55\u958b\u4e88\u5b9a\u3067\u3059\u3002<\/li>\n<\/ul>\n<p><b>\u3010\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u3011<\/b><\/p>\n<p><i>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269<\/i><\/p>\n<ul>\n<li>Microsoft Purview\u306e\u7ba1\u7406\u8005\u304a\u3088\u3073\u30a2\u30ca\u30ea\u30b9\u30c8\u304cData Security Investigations\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u3059\u3079\u3066\u306eMicrosoft 365\u30c6\u30ca\u30f3\u30c8\u304cDSI\u6a5f\u80fd\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5834\u5408\u3002<\/li>\n<\/ul>\n<p>\u4f55\u304c\u8d77\u3053\u308b\u306e\u304b<\/p>\n<ul>\n<li>\u8abf\u67fb\u306b\u8ffd\u52a0\u3055\u308c\u305f\u9805\u76ee\u306f<b> \u81ea\u52d5\u7684\u306bAI\u5206\u6790\u306e\u305f\u3081\u306b\u6e96\u5099<\/b>\u3055\u308c\u3001\u624b\u4f5c\u696d\u306e\u4f5c\u696d\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u65b0\u3057\u3044 <b>\u6a19\u6e96\u5206\u985e <\/b>\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><b>\u9ad8\u5ea6\u306a\u5206\u985e<\/b> (AI\u751f\u6210\u30c8\u30d4\u30c3\u30af\u3092\u542b\u3080)\u3082\u5f15\u304d\u7d9a\u304d\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li>\u65e2\u5b58\u306e\u7ba1\u7406\u8005\u8a2d\u5b9a\u6a5f\u80fd\u306e\u5909\u66f4\u306f<b>\u3001DSI\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u4e00\u90e8\u3068\u3057\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u5316<\/b> \u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u4ee5\u4e0b\u306b\u6c17\u3065\u304f\u304b\u3082\u3057\u308c\u307e\u305b\u3093:\n<ul>\n<li>\u3088\u308a\u8fc5\u901f\u306a\u5206\u985e\u3068\u5206\u6790\u306e\u6e96\u5099\u304c\u6574\u3044\u307e\u3059\u3002<\/li>\n<li>\u66f4\u65b0\u3055\u308c\u305f\u5206\u985e\u9078\u629e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><i>\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 &#8211; \u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8abf\u67fb\u306e\u6a19\u6e96\u3068\u9ad8\u5ea6\u306a\u5206\u985e:<\/i><\/p>\n<p>&nbsp;<img decoding=\"async\" style=\"width: 400px\" alt=\"user settings\" src=\"https:\/\/cxcs.microsoft.net\/static\/public\/messagecenter\/neutral\/4eb135a4-33e7-4369-8bed-11ea1d4ef7dc\/c086cc36be065fd9e183862e97f93aef29477289.png\"><\/p>\n<p><b>\u3010\u6e96\u5099\u306e\u305f\u3081\u306b\u3067\u304d\u308b\u3053\u3068\u3011<\/b><\/p>\n<p>\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u524d\u306b\u7ba1\u7406\u8005\u306e\u624b\u7d9a\u304d\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<p>\u6e96\u5099\u306e\u305f\u3081\u306b:<\/p>\n<ul>\n<li>\u30a2\u30ca\u30ea\u30b9\u30c8\u3084\u95a2\u9023\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u904b\u7528\u30b9\u30bf\u30c3\u30d5\u306b\u65b0\u3057\u3044\u5206\u985e\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u77e5\u3089\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>DSI\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3084\u5206\u985e\u30d7\u30ed\u30bb\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u5834\u5408\u306f\u3001\u5185\u90e8\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u5b66\u3073\u307e\u3057\u3087\u3046:<\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/purview\/data-security-investigations\" target=\"_blank\">\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8abf\u67fb\u306b\u3064\u3044\u3066\u5b66\u3076 |Microsoft Purview |Microsoft Learn<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/purview\/data-security-investigations-ai-analysis\" target=\"_blank\">\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8abf\u67fb\u306b\u304a\u3051\u308bAI\u5206\u6790\u306e\u6d3b\u7528 |Microsoft Purview |Microsoft Learn<\/a><\/li>\n<\/ul>\n<p><b>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8003\u616e\u4e8b\u9805]<\/b><\/p>\n<p>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u306f\u7279\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u5fdc\u3058\u3066\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1239175 | (Updated) Microsoft Purview: Data Security Investigations \u2013 AI analysis enhancements Classificatio [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-16519","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=16519"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16519\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=16519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=16519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=16519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}