{"id":326,"date":"2026-07-16T20:18:48","date_gmt":"2026-07-16T11:18:48","guid":{"rendered":"https:\/\/www.riken-21.co.jp\/tokyo\/?post_type=blog&#038;p=326"},"modified":"2026-07-16T20:18:50","modified_gmt":"2026-07-16T11:18:50","slug":"microsoft365-external-sharing-security","status":"publish","type":"blog","link":"https:\/\/www.riken-21.co.jp\/tokyo\/blog\/microsoft365-external-sharing-security\/","title":{"rendered":"Microsoft365\u5916\u90e8\u5171\u6709\u306e\u60c5\u5831\u6f0f\u6d29\u5bfe\u7b56\uff5c\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3068\u6a29\u9650\u7ba1\u7406"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u53d6\u5f15\u5148\u3068\u30d5\u30a1\u30a4\u30eb\u3092\u5171\u6709\u3057\u305f\u3089\u3001\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044\u76f8\u624b\u307e\u3067\u95b2\u89a7\u3067\u304d\u308b\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u305f\u3002 \u305d\u3093\u306a\u30d2\u30e4\u30ea\u3068\u3059\u308b\u7d4c\u9a13\u304c\u3042\u308b\u7dcf\u52d9\u30fb\u60c5\u30b7\u30b9\u62c5\u5f53\u8005\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002 Microsoft 365\u306f\u4fbf\u5229\u306a\u5171\u6709\u6a5f\u80fd\u3092\u6301\u3064\u4e00\u65b9\u3001\u8a2d\u5b9a\u6b21\u7b2c\u3067\u60c5\u5831\u6f0f\u6d29\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5916\u90e8\u5171\u6709\u3068\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u7ba1\u7406\u306e\u57fa\u672c\u3001\u3088\u304f\u3042\u308b\u5931\u6557\u3001\u9032\u3081\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3053\u306e\u8a18\u4e8b\u306e\u7d50\u8ad6<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Microsoft 365\u306e\u5916\u90e8\u5171\u6709\u306f\u3001\u521d\u671f\u8a2d\u5b9a\u306e\u307e\u307e\u3060\u3068\u5171\u6709\u7bc4\u56f2\u304c\u5e83\u304c\u308a\u3059\u304e\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3067\u306f\u3001\u5171\u6709\u7bc4\u56f2\u30fb\u6709\u52b9\u671f\u9650\u30fb\u6a29\u9650\u306e3\u70b9\u3092\u90fd\u5ea6\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u4e2d\u5c0f\u4f01\u696d\u3067\u306f\u3001\u30eb\u30fc\u30eb\u6574\u5099\u3068\u6280\u8853\u8a2d\u5b9a\u3092\u4e21\u8f2a\u3067\u9032\u3081\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/li>\n\n\n\n<li>RIKEN TOKYO\u3067\u306f\u3001Microsoft 365\u306e\u8a2d\u5b9a\u78ba\u8a8d\u304b\u3089\u793e\u5185\u30eb\u30fc\u30eb\u6574\u5099\u307e\u3067\u4e00\u8cab\u3057\u3066\u652f\u63f4\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Microsoft 365\u306e\u5916\u90e8\u5171\u6709\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u90e8\u5171\u6709\u3068\u306f\u3001SharePoint\u3084OneDrive\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u3001\u793e\u5916\u306e\u76f8\u624b\u3068\u5171\u6709\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002 \u5171\u6709\u30ea\u30f3\u30af\u306e\u767a\u884c\u3084\u3001\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u306e\u62db\u5f85\u306b\u3088\u3063\u3066\u3001\u53d6\u5f15\u5148\u3068\u76f4\u63a5\u30d5\u30a1\u30a4\u30eb\u3092\u3084\u308a\u53d6\u308a\u3067\u304d\u307e\u3059\u3002 \u30e1\u30fc\u30eb\u6dfb\u4ed8\u3068\u9055\u3044\u3001\u5e38\u306b\u6700\u65b0\u7248\u3092\u5171\u6709\u3067\u304d\u308b\u70b9\u304c\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5171\u6709\u65b9\u6cd5\u3054\u3068\u306e\u9055\u3044<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5171\u6709\u65b9\u6cd5<\/th><th>\u7279\u5fb4<\/th><th>\u6ce8\u610f\u70b9<\/th><\/tr><\/thead><tbody><tr><td>\u533f\u540d\u30ea\u30f3\u30af<\/td><td>\u30ea\u30f3\u30af\u3092\u77e5\u308b\u4eba\u306a\u3089\u8ab0\u3067\u3082\u95b2\u89a7\u53ef\u80fd<\/td><td>\u8ee2\u9001\u3055\u308c\u308b\u3068\u7b2c\u4e09\u8005\u304c\u95b2\u89a7\u3067\u304d\u308b<\/td><\/tr><tr><td>\u7279\u5b9a\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u30ea\u30f3\u30af<\/td><td>\u6307\u5b9a\u3057\u305f\u76f8\u624b\u306e\u307f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd<\/td><td>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5165\u529b\u30df\u30b9\u306b\u6ce8\u610f<\/td><\/tr><tr><td>\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u62db\u5f85<\/td><td>Teams\u30fbSharePoint\u306b\u62db\u5f85\u3057\u3066\u5171\u540c\u4f5c\u696d<\/td><td>\u62db\u5f85\u5f8c\u306e\u524a\u9664\u30fb\u68da\u5378\u3057\u304c\u6f0f\u308c\u3084\u3059\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u53d6\u5f15\u5148\u3068\u306e\u5171\u6709\u3067\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d6\u5f15\u5148\u3068\u306e\u5171\u6709\u3067\u306f\u3001\u81ea\u793e\u306e\u7ba1\u7406\u4e0b\u306b\u306a\u3044\u7aef\u672b\u3084\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u95a2\u4fc2\u3057\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u793e\u5185\u5171\u6709\u4ee5\u4e0a\u306b\u5171\u6709\u7bc4\u56f2\u3084\u6a29\u9650\u306e\u8a2d\u8a08\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002 \u7279\u306b\u3001\u6848\u4ef6\u7d42\u4e86\u5f8c\u3082\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u304c\u6b8b\u308a\u7d9a\u3051\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5916\u90e8\u5171\u6709\u3067\u3088\u304f\u3042\u308b\u5931\u6557\u30fb\u60c5\u5831\u6f0f\u6d29\u306e\u539f\u56e0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u90e8\u5171\u6709\u306b\u3088\u308b\u30c8\u30e9\u30d6\u30eb\u306e\u591a\u304f\u306f\u3001\u5171\u6709\u8a2d\u5b9a\u306e\u898b\u76f4\u3057\u4e0d\u8db3\u304c\u539f\u56e0\u3067\u3059\u3002 \u5178\u578b\u7684\u306a\u5931\u6557\u30d1\u30bf\u30fc\u30f3\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u6557\u4f8b1\uff1a\u5171\u6709\u7bc4\u56f2\u3092\u300c\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u300d\u306e\u307e\u307e\u306b\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5171\u6709\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u306a\u3044\u3068\u3001\u30ea\u30f3\u30af\u3092\u77e5\u3063\u3066\u3044\u308b\u5168\u54e1\u304c\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002 \u793e\u5185\u5411\u3051\u306e\u8cc7\u6599\u3092\u305d\u306e\u307e\u307e\u5171\u6709\u3057\u3001\u610f\u56f3\u3057\u306a\u3044\u76f8\u624b\u306b\u6e21\u3063\u3066\u3057\u307e\u3046\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u6557\u4f8b2\uff1a\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u305b\u305a\u306b\u653e\u7f6e\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7d42\u4e86\u5f8c\u3082\u3001\u62db\u5f85\u3057\u305f\u53d6\u5f15\u5148\u306e\u62c5\u5f53\u8005\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u72b6\u614b\u304c\u7d9a\u304d\u307e\u3059\u3002 \u62c5\u5f53\u8005\u4ea4\u4ee3\u5f8c\u3082\u6a29\u9650\u304c\u6b8b\u308a\u3001\u8ab0\u304c\u898b\u3089\u308c\u308b\u304b\u628a\u63e1\u3067\u304d\u306a\u304f\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>RIKEN TOKYO\u306e\u8996\u70b9<\/strong>&nbsp;RIKEN TOKYO\u3067\u306f\u3001WeWork\u4e38\u306e\u5185\u3078\u306e\u79fb\u8ee2\u306b\u3042\u308f\u305b\u3066Microsoft 365\u306e\u904b\u7528\u3092\u898b\u76f4\u3057\u305f\u7d4c\u9a13\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u4e2d\u3067\u3001\u5916\u90e8\u5171\u6709\u8a2d\u5b9a\u3084\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u306e\u68da\u5378\u3057\u306f\u3001\u5f8c\u56de\u3057\u306b\u3055\u308c\u3084\u3059\u3044\u9818\u57df\u3060\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u5916\u90e8\u5171\u6709\u30fb\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u5b89\u5168\u306b\u7ba1\u7406\u3059\u308b\u9032\u3081\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u90e8\u5171\u6709\u306f\u3001\u7981\u6b62\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u3066\u904b\u7528\u3059\u308b\u3053\u3068\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002 \u6b21\u306e\u9806\u756a\u3067\u9032\u3081\u308b\u3068\u3001\u696d\u52d9\u52b9\u7387\u3068\u5b89\u5168\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5171\u6709\u3057\u3066\u3088\u3044\u60c5\u5831\u306e\u7bc4\u56f2\u3092\u6574\u7406\u3059\u308b<\/li>\n\n\n\n<li>\u5171\u6709\u65b9\u6cd5\uff08\u30ea\u30f3\u30af\u30fb\u30b2\u30b9\u30c8\u62db\u5f85\uff09\u306e\u4f7f\u3044\u5206\u3051\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u308b<\/li>\n\n\n\n<li>\u6709\u52b9\u671f\u9650\u30fb\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u5171\u6709\u8a2d\u5b9a\u306e\u6a19\u6e96\u3092\u6c7a\u3081\u308b<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306b\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u30fb\u5171\u6709\u30ea\u30f3\u30af\u3092\u68da\u5378\u3057\u3059\u308b<\/li>\n\n\n\n<li>\u793e\u5185\u5411\u3051\u306b\u30eb\u30fc\u30eb\u3092\u5468\u77e5\u3057\u3001\u904b\u7528\u3092\u5b9a\u7740\u3055\u305b\u308b<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5224\u65ad\u57fa\u6e96\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5171\u6709\u524d\u306b\u3001\u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb\u306e\u6a5f\u5bc6\u5ea6\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u5171\u6709\u7bc4\u56f2\u3092\u300c\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u300d\u306b\u9650\u5b9a\u3067\u304d\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u5171\u6709\u30ea\u30f3\u30af\u306b\u6709\u52b9\u671f\u9650\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u6848\u4ef6\u7d42\u4e86\u6642\u306b\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u3092\u524a\u9664\u3059\u308b\u904b\u7528\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u8ab0\u304c\u3069\u306e\u6a29\u9650\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3001\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u6982\u7b97\u8cbb\u7528\u3092\u78ba\u8a8d\u3057\u305f\u3044\u65b9\u3078<\/strong>&nbsp;Microsoft 365\u3092\u5c0e\u5165\u6e08\u307f\u3067\u3082\u3001\u30e1\u30fc\u30eb\u3068Teams\u4ee5\u5916\u3092\u4f7f\u3048\u3066\u3044\u306a\u3044\u4f01\u696d\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002 RIKEN TOKYO\u3067\u306f\u3001\u6d3b\u7528\u72b6\u6cc1\u3092\u6574\u7406\u3067\u304d\u308b\u300cMicrosoft 365 \u6d3b\u7528\u5ea6\u30c1\u30a7\u30c3\u30af\u300d\u3092\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002&nbsp;<a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/resources\/%E8%B3%87%E6%96%99%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB5\/\">Microsoft 365 \u6d3b\u7528\u5ea6\u30c1\u30a7\u30c3\u30af\u3092\u78ba\u8a8d\u3059\u308b<\/a><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">RIKEN TOKYO\u304c\u652f\u63f4\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RIKEN TOKYO\u3067\u306f\u3001Microsoft 365\u306e\u8a2d\u5b9a\u78ba\u8a8d\u304b\u3089\u793e\u5185\u30eb\u30fc\u30eb\u6574\u5099\u307e\u3067\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002 \u60c5\u30b7\u30b9\u62c5\u5f53\u8005\u304c\u4e0d\u5728\u30fb\u517c\u4efb\u306e\u4f01\u696d\u3067\u3082\u3001\u6bb5\u968e\u7684\u306b\u9032\u3081\u3089\u308c\u308b\u70b9\u304c\u7279\u9577\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u652f\u63f4\u5185\u5bb9<\/th><th>\u5177\u4f53\u4f8b<\/th><\/tr><\/thead><tbody><tr><td>\u73fe\u72b6\u6574\u7406<\/td><td>\u5916\u90e8\u5171\u6709\u8a2d\u5b9a\u30fb\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u306e\u68da\u5378\u3057<\/td><\/tr><tr><td>\u8a2d\u8a08<\/td><td>\u5171\u6709\u7bc4\u56f2\u30fb\u6a29\u9650\u30eb\u30fc\u30eb\u306e\u6a19\u6e96\u5316<\/td><\/tr><tr><td>\u5c0e\u5165<\/td><td>SharePoint\u30fbOneDrive\u306e\u5171\u6709\u8a2d\u5b9a\u5909\u66f4<\/td><\/tr><tr><td>\u904b\u7528<\/td><td>\u5b9a\u671f\u68da\u5378\u3057\u30fb\u793e\u5185\u5468\u77e5\u306e\u4ed5\u7d44\u307f\u3065\u304f\u308a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u8a2d\u5b9a\u78ba\u8a8d\u3084\u904b\u7528\u8a2d\u8a08\u306f\u3001<a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/microsoft\/\">Microsoft &amp; DX\u30da\u30fc\u30b8<\/a>\u3067\u3082\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002 \u81ea\u793e\u306e\u8ab2\u984c\u304c\u5206\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/issues\/\">\u8ab2\u984c\u304b\u3089\u63a2\u3059\u30da\u30fc\u30b8<\/a>\u304b\u3089\u8fd1\u3044\u72b6\u6cc1\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 \u5b9f\u969b\u306e\u652f\u63f4\u4e8b\u4f8b\u306f\u3001<a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/cases\/\">\u5c0e\u5165\u4e8b\u4f8b\u4e00\u89a7<\/a>\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft 365\u306e\u5916\u90e8\u5171\u6709\u3067\u62bc\u3055\u3048\u308b\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5171\u6709\u7bc4\u56f2\u30fb\u6709\u52b9\u671f\u9650\u30fb\u6a29\u9650\u306e3\u70b9\u3092\u90fd\u5ea6\u78ba\u8a8d\u3059\u308b<\/li>\n\n\n\n<li>\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u306f\u6848\u4ef6\u7d42\u4e86\u6642\u306b\u68da\u5378\u3057\u3059\u308b<\/li>\n\n\n\n<li>\u7981\u6b62\u3067\u306f\u306a\u304f\u3001\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u3066\u904b\u7528\u3059\u308b\u3053\u3068\u304c\u73fe\u5b9f\u7684<\/li>\n\n\n\n<li>RIKEN TOKYO\u3067\u306f\u3001\u73fe\u72b6\u6574\u7406\u304b\u3089\u904b\u7528\u5b9a\u7740\u307e\u3067\u76f8\u8ac7\u3067\u304d\u308b<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u306b\u4e0d\u5b89\u304c\u3042\u308b\u65b9\u306f\u3001RIKEN TOKYO\u306b\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002 \u73fe\u72b6\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u305f\u3046\u3048\u3067\u3001\u7121\u7406\u306e\u306a\u3044\u9032\u3081\u65b9\u3092\u3054\u63d0\u6848\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/contact\/\">\u7121\u6599\u76f8\u8ac7\u3092\u3059\u308b<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u3059\u308b\u60c5\u5831\u6f0f\u6d29\u5bfe\u7b56\u306e\u8003\u3048\u65b9\u306f\u3001<a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/blog\/information-leakage-prevention\/\">\u60c5\u5831\u6f0f\u6d29\u3092\u9632\u30502\u3064\u306e\u67f1<\/a>\u3067\u3082\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002 Microsoft 365\u5168\u4f53\u306e\u6d3b\u7528\u3092\u898b\u76f4\u3057\u305f\u3044\u65b9\u306f\u3001<a href=\"https:\/\/www.riken-21.co.jp\/tokyo\/blog\/microsoft365-utilization-guide\/\">Microsoft 365\u3092\u30e1\u30fc\u30eb\u3068Teams\u3060\u3051\u3067\u7d42\u308f\u3089\u305b\u306a\u3044<\/a>\u3082\u3042\u308f\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Microsoft 365\u306e\u5916\u90e8\u5171\u6709\u306f\u7981\u6b62\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7981\u6b62\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5171\u6709\u7bc4\u56f2\u3084\u6709\u52b9\u671f\u9650\u306e\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u3066\u904b\u7528\u3059\u308c\u3070\u3001\u696d\u52d9\u52b9\u7387\u3092\u4fdd\u3061\u306a\u304c\u3089\u5b89\u5168\u306b\u5171\u6709\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u306e\u68da\u5378\u3057\u306f\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u884c\u3046\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6848\u4ef6\u7d42\u4e86\u6642\u306b\u5fc5\u305a\u78ba\u8a8d\u3057\u3001\u52a0\u3048\u30663\u301c6\u30f6\u6708\u306b\u4e00\u5ea6\u306f\u5168\u4f53\u306e\u30b2\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\u3092\u898b\u76f4\u3059\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u60c5\u30b7\u30b9\u62c5\u5f53\u8005\u304c\u3044\u306a\u304f\u3066\u3082\u8a2d\u5b9a\u3092\u898b\u76f4\u305b\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u898b\u76f4\u305b\u307e\u3059\u3002RIKEN TOKYO\u3067\u306f\u3001\u60c5\u30b7\u30b9\u4e0d\u5728\u30fb\u517c\u4efb\u306e\u4f01\u696d\u3067\u3082\u9032\u3081\u3084\u3059\u3044\u3088\u3046\u306b\u3001\u73fe\u72b6\u78ba\u8a8d\u304b\u3089\u6a19\u6e96\u30eb\u30fc\u30eb\u3065\u304f\u308a\u307e\u3067\u652f\u63f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u5916\u90e8\u5171\u6709\u306e\u8a2d\u5b9a\u306f\u3069\u3053\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SharePoint\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc\u3084Microsoft 365\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc\u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306f<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/sharepoint\/external-sharing-overview\">Microsoft\u793e\u306eSharePoint\u5916\u90e8\u5171\u6709\u30ac\u30a4\u30c9<\/a>\u3082\u3042\u308f\u305b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5168\u4f53\u50cf\u306f\u3069\u3053\u3067\u5b66\u3079\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e2d\u5c0f\u4f01\u696d\u5411\u3051\u306e\u4f53\u7cfb\u7684\u306a\u60c5\u5831\u306f\u3001<a href=\"https:\/\/www.ipa.go.jp\/security\/guide\/sme\/index.html\">IPA\u300c\u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u300d<\/a>\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"featured_media":327,"template":"","meta":{"_acf_changed":false},"class_list":["post-326","blog","type-blog","status-publish","has-post-thumbnail","hentry","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft365\u5916\u90e8\u5171\u6709\u306e\u60c5\u5831\u6f0f\u6d29\u5bfe\u7b56\uff5c\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3068\u6a29\u9650\u7ba1\u7406<\/title>\n<meta name=\"description\" content=\"\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3067\u4e0d\u5b89\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1fMicrosoft 365\u306e\u5916\u90e8\u5171\u6709\u30fb\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u7ba1\u7406\u306e\u57fa\u672c\u3068\u9032\u3081\u65b9\u3092\u3001\u4e2d\u5c0f\u4f01\u696d\u5411\u3051\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.riken-21.co.jp\/tokyo\/blog\/microsoft365-external-sharing-security\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microsoft365\u5916\u90e8\u5171\u6709\u306e\u60c5\u5831\u6f0f\u6d29\u5bfe\u7b56\uff5c\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3068\u6a29\u9650\u7ba1\u7406\" \/>\n<meta property=\"og:description\" content=\"\u53d6\u5f15\u5148\u3068\u306e\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3067\u4e0d\u5b89\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1fMicrosoft 365\u306e\u5916\u90e8\u5171\u6709\u30fb\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u7ba1\u7406\u306e\u57fa\u672c\u3068\u9032\u3081\u65b9\u3092\u3001\u4e2d\u5c0f\u4f01\u696d\u5411\u3051\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.riken-21.co.jp\/tokyo\/blog\/microsoft365-external-sharing-security\/\" \/>\n<meta property=\"og:site_name\" content=\"\u7406\u7814\u7523\u696d\u682a\u5f0f\u4f1a\u793e RIKEN TOKYO\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-16T11:18:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.riken-21.co.jp\/tokyo\/wp-content\/uploads\/2026\/07\/microsoft365-external-sharing-security-1200x675.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" 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