{"id":476145,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:08","modified_gmt":"2023-09-05T11:12:08","slug":"business-email-compromise-bec","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/business-email-compromise-bec\/","title":{"rendered":"\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a (BEC)"},"content":{"rendered":"<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a (BEC) 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\u306f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3067\u3042\u308a\u3001\u591a\u5927\u306a\u7d4c\u6e08\u7684\u640d\u5931\u3084\u8a55\u5224\u306e\u5931\u589c\u3092\u62db\u304f\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u4f01\u696d\u306b\u3068\u3063\u3066\u5927\u304d\u306a\u61f8\u5ff5\u4e8b\u9805\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC\uff09\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u8d77\u6e90\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u304c\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u91d1\u878d\u8a50\u6b3a\u306e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u60aa\u7528\u3057\u59cb\u3081\u305f 2000 \u5e74\u4ee3\u521d\u982d\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5206\u91ce\u3067 BEC \u304c\u521d\u3081\u3066\u6587\u66f8\u5316\u3055\u308c\u305f\u306e\u306f\u3001FBI \u304c\u4fb5\u5bb3\u3055\u308c\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u901a\u3058\u3066\u4f01\u696d\u3092\u72d9\u3046\u8a50\u6b3a\u306b\u3064\u3044\u3066\u8b66\u544a\u3092\u767a\u3057\u305f 2010 \u5e74\u3067\u3059\u3002\u305d\u308c\u4ee5\u6765\u3001BEC \u306f\u3055\u307e\u3056\u307e\u306a\u30bd\u30fc\u30b7\u30e3\u30eb \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u624b\u6cd5\u3092\u53d6\u308a\u5165\u308c\u3066\u88ab\u5bb3\u8005\u3092\u52b9\u679c\u7684\u306b\u6b3a\u304f\u3001\u6d17\u7df4\u3055\u308c\u305f\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u3078\u3068\u9032\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a (BEC) \u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u306f\u3001\u6280\u8853\u7684\u306a\u8106\u5f31\u6027\u3060\u3051\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4eba\u9593\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u591a\u6bb5\u968e\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002BEC \u653b\u6483\u306e\u4e00\u822c\u7684\u306a\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5075\u5bdf\uff1a<\/strong> \u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u6e90\u3084\u30bd\u30fc\u30b7\u30e3\u30eb \u30e1\u30c7\u30a3\u30a2 \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u901a\u3058\u3066\u3001\u6a19\u7684\u306e\u7d44\u7e54\u3068\u305d\u306e\u5f93\u696d\u54e1\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0:<\/strong> \u53ce\u96c6\u3057\u305f\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066\u3001\u653b\u6483\u8005\u306f\u3001\u5e79\u90e8\u3084\u30d3\u30b8\u30cd\u30b9 \u30d1\u30fc\u30c8\u30ca\u30fc\u306a\u3069\u306e\u4fe1\u983c\u3067\u304d\u308b\u30bd\u30fc\u30b9\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u3088\u3046\u306b\u898b\u3048\u308b\u3001\u8aac\u5f97\u529b\u306e\u3042\u308b\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3055\u308c\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30e1\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b3a\u304f\u3053\u3068\uff1a<\/strong> \u30e1\u30fc\u30eb\u306b\u306f\u7dca\u6025\u306e\u4f9d\u983c\u3001\u507d\u306e\u8acb\u6c42\u66f8\u3001\u9001\u91d1\u306e\u6307\u793a\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u53d7\u4fe1\u8005\u3092\u9a19\u3057\u3066\u3059\u3050\u306b\u884c\u52d5\u3092\u53d6\u3089\u305b\u3088\u3046\u3068\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u59a5\u5354\uff1a<\/strong> 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\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u8a08\u753b\u3068\u8abf\u6574\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u9996\u8b00\u8005\u306f\u30bd\u30fc\u30b7\u30e3\u30eb \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6226\u8853\u306b\u95a2\u3059\u308b\u5e83\u7bc4\u306a\u77e5\u8b58\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30ab\u30a6\u30c8\uff1a<\/strong> \u30b9\u30ab\u30a6\u30c8\u306f\u3001\u6f5c\u5728\u7684\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u95a2\u3059\u308b\u521d\u671f\u8abf\u67fb\u3092\u5b9f\u65bd\u3057\u3001\u7d44\u7e54\u3068\u305d\u306e\u5f93\u696d\u54e1\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u53ce\u96c6\u3059\u308b\u8cac\u4efb\u3092\u8ca0\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\uff1a<\/strong> 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\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u306f\u3001\u4ed6\u306e\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u3068\u306f\u7570\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30bd\u30fc\u30b7\u30e3\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u7126\u70b9:<\/strong> BEC \u306f\u3001\u6280\u8853\u7684\u306a\u5f31\u70b9\u3092\u60aa\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4eba\u9593\u306e\u8106\u5f31\u6027\u3092\u72d9\u3063\u305f\u30bd\u30fc\u30b7\u30e3\u30eb \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6226\u8853\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3:<\/strong> BEC 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\u653b\u6483\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u4f9d\u5b58\u3057\u306a\u3044\u305f\u3081\u3001\u6a19\u6e96\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3067\u306f\u691c\u51fa\u304c\u56f0\u96e3\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC\uff09\u306e\u7a2e\u985e<\/h2>\n<p>BEC \u653b\u6483\u306f\u3001\u653b\u6483\u8005\u306e\u76ee\u7684\u306b\u5fdc\u3058\u3066\u3055\u307e\u3056\u307e\u306a\u5f62\u614b\u3092\u3068\u308a\u307e\u3059\u3002BEC \u306e\u4e00\u822c\u7684\u306a\u30bf\u30a4\u30d7\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>CEO\u8a50\u6b3a:<\/strong> \u3053\u306e\u30bf\u30a4\u30d7\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u9ad8\u4f4d\u306e\u5f79\u54e1\u306b\u306a\u308a\u3059\u307e\u3057\u3001\u5f93\u696d\u54e1\u306b\u7dca\u6025\u306e\u8cc7\u91d1\u9001\u91d1\u3084\u6a5f\u5bc6\u60c5\u5831\u3092\u8981\u6c42\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8acb\u6c42\u66f8\u8a50\u6b3a:<\/strong> \u653b\u6483\u8005\u306f\u3001\u5f93\u696d\u54e1\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3001\u307e\u305f\u306f\u9867\u5ba2\u306b\u4e0d\u6b63\u306a\u8acb\u6c42\u66f8\u3092\u9001\u4fe1\u3057\u3001\u6b63\u5f53\u306a\u53e3\u5ea7\u3067\u306f\u306a\u304f\u5f7c\u3089\u306e\u53e3\u5ea7\u3078\u306e\u652f\u6255\u3044\u3092\u8981\u6c42\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f01\u8b77\u58eb\u306e\u306a\u308a\u3059\u307e\u3057:<\/strong> \u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u6a5f\u5bc6\u4e8b\u9805\u3092\u6271\u3046\u5f01\u8b77\u58eb\u3092\u88c5\u3044\u3001\u88ab\u5bb3\u8005\u306b\u8cc7\u91d1\u3092\u9001\u91d1\u3057\u305f\u308a\u6a5f\u5bc6\u60c5\u5831\u3092\u958b\u793a\u3059\u308b\u3088\u3046\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u76d7\u96e3:<\/strong> \u4e00\u90e8\u306e BEC \u653b\u6483\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u76ee\u7684\u3067\u77e5\u7684\u8ca1\u7523\u3084\u9867\u5ba2\u30c7\u30fc\u30bf\u306a\u3069\u306e\u6a5f\u5bc6\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>BEC\u306e\u7a2e\u985e<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CEO\u8a50\u6b3a<\/td>\n<td>\u4e0a\u7d1a\u7ba1\u7406\u8077\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u4e0d\u6b63\u306a\u9001\u91d1\u3092\u8981\u6c42\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8acb\u6c42\u66f8\u8a50\u6b3a<\/td>\n<td>\u5f93\u696d\u54e1\u3001\u4ed5\u5165\u5148\u3001\u9867\u5ba2\u3092\u9a19\u3059\u305f\u3081\u306b\u507d\u306e\u8acb\u6c42\u66f8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5f01\u8b77\u58eb\u306e\u306a\u308a\u3059\u307e\u3057<\/td>\n<td>\u5f01\u8b77\u58eb\u3092\u88c5\u3044\u3001\u88ab\u5bb3\u8005\u3092\u64cd\u3063\u3066\u60c5\u5831\u3092\u63d0\u4f9b\u3055\u305b\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u306e\u76d7\u96e3<\/td>\n<td>\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3084\u77e5\u7684\u8ca1\u7523\u3092\u60aa\u610f\u306e\u3042\u308b\u76ee\u7684\u3067\u6a19\u7684\u306b\u3059\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC\uff09\u306e\u60aa\u7528\u65b9\u6cd5\u3001\u554f\u984c\u70b9\u3001\u89e3\u6c7a\u7b56<\/h2>\n<h3>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a (BEC) \u306e\u60aa\u7528\u65b9\u6cd5<\/h3>\n<ol>\n<li>\n<p><strong>\u91d1\u878d\u8a50\u6b3a:<\/strong> \u653b\u6483\u8005\u306f BEC \u3092\u60aa\u7528\u3057\u3066\u4e0d\u6b63\u306a\u96fb\u4fe1\u9001\u91d1\u3092\u7d44\u7e54\u3057\u3001\u8cc7\u91d1\u3092\u81ea\u5206\u306e\u53e3\u5ea7\u306b\u6d41\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u76d7\u96e3:<\/strong> BEC \u306f\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30d3\u30b8\u30cd\u30b9\u60c5\u5831\u3092\u76d7\u3080\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u6050\u559d\u3084\u7af6\u4e89\u4e0a\u306e\u512a\u4f4d\u6027\u3092\u7372\u5f97\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u500b\u4eba\u60c5\u5831\u306e\u76d7\u96e3\uff1a<\/strong> \u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f BEC \u3092\u5229\u7528\u3057\u3066\u5f93\u696d\u54e1\u306e\u8cc7\u683c\u60c5\u5831\u3092\u53ce\u96c6\u3057\u3001\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u306b\u4e0d\u6b63\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h3>\n<ol>\n<li>\n<p><strong>\u30d2\u30e5\u30fc\u30de\u30f3\u30a8\u30e9\u30fc\uff1a<\/strong> BEC \u306f\u4eba\u9593\u306e\u8106\u5f31\u6027\u3092\u72d9\u3046\u305f\u3081\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3092\u8b58\u5225\u3057\u3066\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u5305\u62ec\u7684\u306a\u5f93\u696d\u54e1\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e1\u30fc\u30eb\u8a8d\u8a3c:<\/strong> DMARC\u3001SPF\u3001DKIM \u306a\u3069\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001\u53d7\u4fe1\u30e1\u30fc\u30eb\u306e\u6b63\u5f53\u6027\u3092\u691c\u8a3c\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>2\u8981\u7d20\u8a8d\u8a3c:<\/strong> \u91d1\u878d\u53d6\u5f15\u3068\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b 2 \u8981\u7d20\u8a8d\u8a3c\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u78ba\u8a8d:<\/strong> \u91d1\u878d\u53d6\u5f15\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u5f93\u696d\u54e1\u306f\u5225\u306e\u30c1\u30e3\u30cd\u30eb\u307e\u305f\u306f\u76f4\u63a5\u5bfe\u9762\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a (BEC)<\/td>\n<td>\u8a50\u6b3a\u30e1\u30fc\u30eb\u3092\u901a\u3058\u3066\u4f01\u696d\u3092\u72d9\u3046\u9ad8\u5ea6\u306a\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u306e\u624b\u53e3\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0<\/td>\n<td>BEC \u3092\u542b\u3080\u3001\u88ab\u5bb3\u8005\u3092\u9a19\u3059\u305f\u3081\u306e\u3055\u307e\u3056\u307e\u306a\u6b3a\u779e\u624b\u6cd5\u3092\u5305\u62ec\u3059\u308b\u5e83\u7fa9\u306e\u7528\u8a9e\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0<\/td>\n<td>\u591a\u304f\u306e\u5834\u5408\u3001\u7279\u5b9a\u306e\u500b\u4eba\u307e\u305f\u306f\u7d44\u7e54\u3092\u72d9\u3063\u305f\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6355\u9be8<\/td>\n<td>\u7279\u306b\u8457\u540d\u4eba\u3084\u5f79\u54e1\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306e\u4e00\u7a2e\u3002<\/td>\n<\/tr>\n<tr>\n<td>CEO\u8a50\u6b3a<\/td>\n<td>\u653b\u6483\u8005\u304c CEO \u3084\u7d4c\u55b6\u5e79\u90e8\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u8a50\u6b3a\u884c\u70ba\u3092\u884c\u3046 BEC \u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC\uff09\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>BEC \u306e\u5c06\u6765\u306f\u3001\u88ab\u5bb3\u8005\u3092\u6b3a\u304f\u305f\u3081\u306e\u30bd\u30fc\u30b7\u30e3\u30eb \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6280\u8853\u3068\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u304c\u3055\u3089\u306b\u9032\u5316\u3059\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001AI \u3068\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u306e\u9032\u6b69\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u3055\u3089\u306b\u8aac\u5f97\u529b\u306e\u3042\u308b\u8a50\u6b3a\u30e1\u30fc\u30eb\u3092\u4f5c\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002BEC \u653b\u6483\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u4e2d\u3001\u4f01\u696d\u306f\u3053\u306e\u5897\u5927\u3059\u308b\u8105\u5a01\u306b\u5bfe\u6297\u3059\u308b\u305f\u3081\u306b\u3001\u5f37\u529b\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3001\u5f93\u696d\u54e1\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3001\u9ad8\u5ea6\u306a\u30e1\u30fc\u30eb \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u6295\u8cc7\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3055\u308c\u3001\u30d3\u30b8\u30cd\u30b9 \u30e1\u30fc\u30eb\u8a50\u6b3a (BEC) \u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u304b<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001BEC \u653b\u6483\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u4e00\u90e8\u3068\u3057\u3066\u3001\u77e5\u3089\u306a\u3044\u3046\u3061\u306b\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3057\u3066\u5b9f\u969b\u306e IP \u30a2\u30c9\u30ec\u30b9\u3068\u5834\u6240\u3092\u96a0\u3057\u3001\u5f53\u5c40\u306b\u3088\u308b\u6d3b\u52d5\u306e\u8ffd\u8de1\u3092\u56f0\u96e3\u306b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u653b\u6483\u8005\u306f\u3001\u65e2\u77e5\u306e\u60aa\u610f\u306e\u3042\u308b IP \u30a2\u30c9\u30ec\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u96fb\u5b50\u30e1\u30fc\u30eb \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3088\u308b\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u507d\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u81ea\u4f53\u306f\u672c\u8cea\u7684\u306b\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u5f37\u5316\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5236\u9650\u306e\u56de\u907f\u306a\u3069\u306e\u6b63\u5f53\u306a\u76ee\u7684\u306b\u4f7f\u7528\u3067\u304d\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a (BEC) \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/www.ic3.gov\/Media\/News\/2015\/150827.aspx\" target=\"_new\" rel=\"noopener nofollow\">\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u95a2\u3059\u308b FBI \u306e\u516c\u5171\u5e83\u544a<\/a><\/li>\n<li><a href=\"https:\/\/www.ic3.gov\/Home\/FileComplaint\" target=\"_new\" rel=\"noopener nofollow\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u72af\u7f6a\u82e6\u60c5\u30bb\u30f3\u30bf\u30fc (IC3)<\/a><\/li>\n<li><a href=\"https:\/\/www.cisa.gov\/sites\/default\/files\/publications\/2020-06\/20-03-ICS-ALERT-Business-Email-Compromise.pdf\" target=\"_new\" rel=\"noopener nofollow\">\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304a\u3088\u3073\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5e81 (CISA) \u306e BEC \u306b\u95a2\u3059\u308b\u898b\u89e3<\/a><\/li>\n<\/ol>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u8105\u5a01\u304b\u3089\u30d3\u30b8\u30cd\u30b9\u3092\u5b88\u308b\u306b\u306f\u3001\u5e38\u306b\u60c5\u5831\u3092\u5165\u624b\u3057\u3001\u8b66\u6212\u3092\u6020\u3089\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>","protected":false},"featured_media":467816,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476145","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Business Email Compromise (BEC): An Encyclopedia Article<\/mark>","faq_items":[{"question":"What is Business Email Compromise (BEC)?","answer":"<p>Business Email Compromise (BEC) is a sophisticated cybercrime tactic that targets businesses through deceptive emails. It involves manipulating individuals within an organization to compromise sensitive information, initiate unauthorized financial transactions, or gain unauthorized access to computer systems.<\/p>"},{"question":"How did BEC originate, and when was it first mentioned?","answer":"<p>The origins of BEC can be traced back to the early 2000s, but the first documented mention was in 2010 when the FBI issued a warning about scams targeting businesses through compromised emails.<\/p>"},{"question":"How does Business Email Compromise (BEC) work?","answer":"<p>BEC involves a multi-stage process, starting with reconnaissance where attackers gather information about the targeted organization. Then, they send personalized phishing emails to deceive victims into taking immediate action, leading to unauthorized money transfers or data disclosure.<\/p>"},{"question":"What are the key features of BEC that set it apart from other cyber threats?","answer":"<p>BEC focuses heavily on social engineering tactics, uses personalized emails, and often involves impersonating trusted sources. Unlike traditional cyber attacks, BEC does not rely on malware, making it harder to detect.<\/p>"},{"question":"What are the different types of Business Email Compromise (BEC) attacks?","answer":"<p>Common types of BEC include CEO fraud, invoice scams, attorney impersonation, and data theft, each serving different objectives for the attackers.<\/p>"},{"question":"How can businesses defend against Business Email Compromise (BEC)?","answer":"<p>Businesses can mitigate BEC risks by providing comprehensive employee training, implementing email authentication protocols, enforcing two-factor authentication, and verifying critical requests through alternative channels.<\/p>"},{"question":"How does Business Email Compromise (BEC) compare to other phishing attacks?","answer":"<p>BEC is a subset of phishing attacks but stands out due to its focus on social engineering, personalized approach, and absence of traditional malware.<\/p>"},{"question":"What is the future outlook for BEC and related technologies?","answer":"<p>The future of BEC is likely to see further evolution in social engineering techniques and AI-generated fraudulent emails, making it essential for businesses to invest in advanced cybersecurity measures.<\/p>"},{"question":"How are proxy servers associated with Business Email Compromise (BEC)?","answer":"<p>Proxy servers can unintentionally be used by cybercriminals to hide their identity during BEC attacks. However, proxy servers themselves are not malicious and can serve legitimate purposes, such as enhancing online privacy.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476145\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/467816"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476145"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}