{"id":15550,"date":"2026-03-24T09:02:03","date_gmt":"2026-03-24T00:02:03","guid":{"rendered":"https:\/\/m365jp.net\/?p=15550"},"modified":"2026-03-24T09:06:55","modified_gmt":"2026-03-24T00:06:55","slug":"mc1259826-microsoft-purview-data-security-investigations-c-role-based-access-simplification","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-03-24-mc1259826-microsoft-purview-data-security-investigations-c-role-based-access-simplification","title":{"rendered":"MC1259826 | Microsoft Purview: Data Security Investigations C role-based access simplification"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1259826 | Microsoft Purview: Data Security Investigations C role-based access simplification<\/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>03\/23\/2026 23:30:38<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>03\/23\/2026 23:30:31<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>06\/01\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p><b>[Introduction]<\/b><\/p>\n<p>We\u2019re <b>simplifying how organizations manage access to Data Security Investigations (DSI)<\/b> in  <i>Microsoft Purview<\/i>. Based on customer feedback and continued alignment with Data Security Posture Management (DSPM), Insider Risk Management (IRM), and Microsoft Defender XDR, the  <b>DSI Admin and DSI Contributor roles<\/b> will automatically be included in additional role groups. This reduces manual assignments and helps teams that frequently work across these solutions have the right access by default.<\/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=558546\" target=\"_blank\">  558546<\/a><\/b>.<\/p>\n<p><b>[When this will happen]<\/b><\/p>\n<ul>\n<li><b>General Availability (Worldwide): <\/b>Rolling out in<b> late April 2026<\/b> and expected to complete by<b> late April 2026<\/b>.<\/li>\n<\/ul>\n<p><b>[How this affects your organization]<\/b><\/p>\n<p><i>Who is affected<\/i><\/p>\n<ul>\n<li>Admins managing roles and permissions in the<i> Microsoft Purview compliance portal<\/i><\/li>\n<\/ul>\n<p><i>What will happen<\/i><\/p>\n<ul>\n<li>The <b>Data Security Investigation Contributor role <\/b>will automatically be added to these role groups:\n<ul>\n<li>Organization Management<\/li>\n<li>Data Security Management<\/li>\n<li>Insider Risk Management<\/li>\n<\/ul>\n<\/li>\n<li>Members of these role groups will automatically receive the corresponding DSI access.<\/li>\n<li>No existing permissions or role assignments will be removed.<\/li>\n<li>No opt-in is required; this change applies by default.<\/li>\n<\/ul>\n<p><b>[What you can do to prepare]<\/b><\/p>\n<p>No action is required before rollout.<\/p>\n<p>You may want to:<\/p>\n<ul>\n<li>Review which users in your organization are members of the affected role groups.<\/li>\n<li>Confirm that the resulting DSI access is appropriate for those users.<\/li>\n<li>Update internal access management documentation, if needed.<\/li>\n<\/ul>\n<p><b>Learn more:&nbsp;<\/b><\/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\/purview-permissions\" target=\"_blank\">Permissions in the Microsoft Purview portal | Microsoft Purview | Microsoft Learn<\/a><\/li>\n<\/ul>\n<p><b>[Compliance considerations]<\/b><\/p>\n<p>This change will automatically grant DSI access to members of the affected role groups. Admins should review current role group membership and ensure DSI access aligns with their organization&#8217;s security and compliance requirements.&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p><b>[\u306f\u3058\u3081\u306b]<\/b><\/p>\n<p><i>Microsoft Purview<\/i>\u3067M\u304c<b>\u30c7`\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3{(DSI)\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5\u3092\u7d20\u5316<\/b>\u3057\u3066\u3044\u307e\u3059\u3002\u5ba2\u304b\u3089\u306e\u30d5\u30a3`\u30c9\u30d0\u30c3\u30af\u3068Data Security Posture Management(DSPM)\u3001Insider Risk Management(IRM)\u3001Microsoft Defender <a href=\"mailto:XDR\u3068\u306e@A\u7684\u306a\u6574\u5408\u306b\u57fa\u3065\u304d\u3001\">XDR\u3068\u306e@A\u7684\u306a\u6574\u5408\u306b\u57fa\u3065\u304d\u3001<\/a><b>DSI\u7ba1\u7406\u8005\u304a\u3088\u3073DSI\u732e\u8005\u306e\u5f79\u5272<\/b>\u306f\u81ea\u62e5\u819c\u4fd7\u82b3\u5a74\u6211\u9139\u777d\u54ce\u6c05`\u30d7\u306b\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u624b\u5a74\u80c3\u778d\u7511\u5821\u76aep\u308a\u3001l\u7e41\u306b\u3053\u308c\u3089\u306e\u30bd\u30ea\u30e5`\u30b7\u30e7\u30f3\u3092\u540cr\u306b\\\u7528\u3059\u308b\u30c1`\u30e0\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6b63\u3057\u3044\u30a2\u30af\u30bb\u30b9\u4e10\u867b\u76f2\u6901\u6b37\u84fc\u57c2<\/p>\n<p>\u3053\u306e\u30e1\u30c3\u30bb`\u30b8\u306f <b>Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=558546\" target=\"_blank\">  558546<\/a><\/b>\u306bvB\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>\u4e00\u822c\u516c_(\u4e16\u754c): <\/b><b>2026\u5e744\u6708\u4e0b\u65ec<\/b>\u306b\u5c55_\u3057\u3001<b>4\u6708\u4e0b\u65ec<\/b>\u307e\u3067\u306b\u5b8c\u4e86\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/li>\n<\/ul>\n<p><b>[\u3053\u308c\u304c\u3042\u306a\u305f\u306eM\u306b\u4e0e\u3048\u308b\u5f71]<\/b><\/p>\n<p><i>\u5f71\u3092\u53d7\u3051\u308b\u4eba\u7269<\/i><\/p>\n<ul>\n<li><i>\u7ba1\u7406\u8005\u304cMicrosoft Purview\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u30dd`\u30bf\u30eb<\/i>\u3067\u5f79\u5272\u3068\u53f5\u84fc\u86ac\u82be\u6067\u5de5<\/li>\n<\/ul>\n<p><i>\u4f55\u304c\u8d77\u3053\u308b\u306e\u304b<\/i><\/p>\n<ul>\n<li><b>\u30c7`\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3{\u7d20\u732e\u8005\u306e\u5f79\u5272<\/b>\u306f\u3001\u4ee5\u4e0b\u306e\u5f79\u5272\u30b0\u30eb`\u30d7\u306b\u81ea\u62e5\u819c\u4fd7\u82b3\u5a74\u4e39\u6b37\u84fc\u57c2\n<ul>\n<li>M\u7ba1\u7406<\/li>\n<li>\u30c7`\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406<\/li>\n<li>\u30a4\u30f3\u30b5\u30a4\u30c0`\u30ea\u30b9\u30af\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<li>\u3053\u308c\u3089\u306e\u30ed`\u30eb\u30b0\u30eb`\u30d7\u306e\u30e1\u30f3\u30d0`\u306f\u81ea\u62e5\u819c\u3059\u308bDSI\u30a2\u30af\u30bb\u30b9\u4e10\u86b4\u57ed\u6bd4\u30fb\u8f98\u84fc\u57c2<\/li>\n<li>\u65e2\u5b58\u306e\u53f5\u84fc\u6e5f\u9139\u7f61\u778d\u7511\u5821\u76ae\u8237\u9792\u4e39\u6b37\u84fc\u62a4\u87c6<\/li>\n<li>\u30aa\u30d7\u30c8\u30a4\u30f3\u306f\u4e0d\u8981\u3067\u3059\u3002\u3053\u306e\u6d93\u819d\u948e\u69a8\u2501\u6bf3\u8da3\u6c81m\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><b>\u3010\u6d43\u97e6\u90e1\u5e5b\u6454\u6266\u6bea\u957f\u53d6<\/b><\/p>\n<p>\u5c55_\u524d\u306b\u4f55\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3082\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059:<\/p>\n<ul>\n<li>M\u5185\u3067\u3069\u306e\u30e6`\u30b6`\u304c\u5f71\u3092\u53d7\u3051\u308b\u5f79\u5272\u30b0\u30eb`\u30d7\u306e\u30e1\u30f3\u30d0`\u304b\u3092_J\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u305d\u306eY\u679c\u5f97\u3089\u308c\u308bDSI\u30a2\u30af\u30bb\u30b9\u304c\u3001\u305d\u306e\u30e6`\u30b6`\u306bm\u5207\u304b\u3069\u3046\u304b\u3092_J\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u5fc5\u8981\u306b\u3058\u3066\u5185\u90e8\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p><b>\u3057\u304f\u306f\u3053\u3061\u3089:&nbsp;<\/b><\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/purview\/data-security-investigations\" target=\"_blank\">\u30c7`\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3{\u6454\u6454\u819c\u3044\u84b2\u0413 |Microsoft Purview |Microsoft Learn<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/purview\/purview-permissions\" target=\"_blank\">Microsoft Purview\u30dd`\u30bf\u30eb\u306e\u53f5 |Microsoft Purview |Microsoft Learn<\/a><\/li>\n<\/ul>\n<p><b>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8003]\u4e8b]<\/b><\/p>\n<p>\u3053\u306e\u6d93\u6454\u745c\u8f8d\u2482\u7eca\u3092\u53d7\u3051\u308b\u5f79\u5272\u30b0\u30eb`\u30d7\u306e\u30e1\u30f3\u30d0`\u306b\u81ea\u62e5\u819cDSI\u30a2\u30af\u30bb\u30b9\u4e10\u961f\u6bea\u4e39\u6b37\u84fc\u57c2\uff19\u82be\u789a\u6499\u7280F\u5728\u306e\u30ed`\u30eb\u30b0\u30eb`\u30d7\u30e1\u30f3\u30d0`\u30b7\u30c3\u30d7\u3092_J\u3057\u3001DSI\u30a2\u30af\u30bb\u30b9\u304cM\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304a\u3088\u3073\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8981\u4ef6\u306b\u5408\u81f4\u3057\u3066\u3044\u308b\u304b_J\u3059\u3079\u304d\u3067\u3059\u3002&nbsp;<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1259826 | Microsoft Purview: Data Security Investigations C role-based access simplification Classification  [&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-15550","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15550","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=15550"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15550\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}