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\u653b\u6483\u306f\u3001\u7279\u5b9a\u306e\u500b\u4eba\u307e\u305f\u306f\u7d44\u7e54\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3059\u308b\u30b9\u30d4\u30a2\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6210\u529f\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bd\u30fc\u30b7\u30e3\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\uff1a<\/strong> \u653b\u6483\u8005\u306f\u4eba\u9593\u306e\u5fc3\u7406\u3092\u60aa\u7528\u3057\u3001\u7dca\u6025\u6027\u3001\u6050\u6016\u3001\u4fe1\u983c\u306a\u3069\u306e\u611f\u60c5\u3092\u5229\u7528\u3057\u3066\u88ab\u5bb3\u8005\u3092\u52b9\u679c\u7684\u306b\u64cd\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u306a\u308a\u3059\u307e\u3057:<\/strong> \u9ad8\u5ea6\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u306a\u308a\u3059\u307e\u3057\u6280\u8853\u306b\u3088\u308a\u3001\u53d7\u4fe1\u8005\u304c\u672c\u7269\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u3068\u8a50\u6b3a\u7684\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u533a\u5225\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b63\u78ba\u306a\u30bf\u30fc\u30b2\u30c6\u30a3\u30f3\u30b0:<\/strong> BEC \u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306f\u7dbf\u5bc6\u306b\u8a08\u753b\u3055\u308c\u3066\u304a\u308a\u3001\u91d1\u878d\u53d6\u5f15\u3084\u6a5f\u5bc6\u60c5\u5831\u3092\u62c5\u5f53\u3059\u308b\u4e0a\u7d1a\u5f93\u696d\u54e1\u306b\u91cd\u70b9\u304c\u7f6e\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56fd\u5883\u3092\u8d8a\u3048\u305f\u72af\u7f6a:<\/strong> BEC \u306f\u56fd\u969b\u7684\u306a\u72af\u7f6a\u7d44\u7e54\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u6cd5\u57f7\u884c\u6a5f\u95a2\u304c\u72af\u4eba\u3092\u8ffd\u8de1\u3057\u3066\u902e\u6355\u3059\u308b\u3053\u3068\u306f\u56f0\u96e3\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u7a2e\u985e<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306f\u3055\u307e\u3056\u307e\u306a\u5f62\u3067\u73fe\u308c\u3001\u305d\u308c\u305e\u308c\u306b\u7279\u6709\u306e\u624b\u53e3\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001BEC \u306e\u4e00\u822c\u7684\u306a\u30bf\u30a4\u30d7\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CEO\u8a50\u6b3a<\/td>\n<td>CEO \u3084\u4e0a\u7d1a\u5e79\u90e8\u306b\u306a\u308a\u3059\u307e\u3057\u3066\u3001\u5f93\u696d\u54e1\u3084\u30d9\u30f3\u30c0\u30fc\u306b\u8cc7\u91d1\u306e\u9001\u91d1\u3084\u6a5f\u5bc6\u60c5\u5831\u3092\u8981\u6c42\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8acb\u6c42\u66f8\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0<\/td>\n<td>\u591a\u304f\u306e\u5834\u5408\u3001\u652f\u6255\u8a73\u7d30\u3092\u6539\u3056\u3093\u3057\u305f\u4e0d\u6b63\u306a\u8acb\u6c42\u66f8\u3092\u9001\u4fe1\u3057\u3001\u53d7\u53d6\u4eba\u3092\u9a19\u3057\u3066\u4e0d\u6b63\u306a\u652f\u6255\u3044\u3092\u884c\u308f\u305b\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5f01\u8b77\u58eb\u306e\u306a\u308a\u3059\u307e\u3057<\/td>\n<td>\u6a19\u7684\u7d44\u7e54\u3092\u4ee3\u8868\u3059\u308b\u5f01\u8b77\u58eb\u3092\u88c5\u3044\u3001\u5373\u6642\u306e\u652f\u6255\u3044\u3084\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306e\u63d0\u4f9b\u3092\u8981\u6c42\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d9\u30f3\u30c0\u30fc\u30e1\u30fc\u30eb\u8a50\u6b3a<\/td>\n<td>\u30d9\u30f3\u30c0\u30fc\u306e\u96fb\u5b50\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4fb5\u5bb3\u3057\u3066\u3001\u6a19\u7684\u306e\u4f01\u696d\u306b\u4e0d\u6b63\u306a\u652f\u6255\u3044\u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5f93\u696d\u54e1\u306e\u30e1\u30fc\u30eb\u8a50\u6b3a<\/td>\n<td>\u5f93\u696d\u54e1\u306e\u96fb\u5b50\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u305d\u308c\u3092\u4f7f\u7528\u3057\u3066\u3055\u3089\u306b BEC \u653b\u6483\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u624b\u6cd5\u3001\u554f\u984c\u3001\u304a\u3088\u3073\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u89e3\u6c7a\u7b56<\/h2>\n<h3>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u60aa\u7528\u65b9\u6cd5<\/h3>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u9055\u6cd5\u306a\u76ee\u7684\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u4e0d\u6b63\u306a\u8cc7\u91d1\u79fb\u8ee2:<\/strong> \u653b\u6483\u8005\u306f\u5f93\u696d\u54e1\u3092\u64cd\u4f5c\u3057\u3066\u4e0d\u6b63\u306a\u96fb\u4fe1\u9001\u91d1\u3092\u958b\u59cb\u3055\u305b\u3001\u8cc7\u91d1\u3092\u653b\u6483\u8005\u306e\u53e3\u5ea7\u306b\u6d41\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u6b63\u306a\u60c5\u5831\u30a2\u30af\u30bb\u30b9:<\/strong> \u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u3001\u6a5f\u5bc6\u60c5\u5831\u3001\u77e5\u7684\u8ca1\u7523\u3001\u307e\u305f\u306f\u79d8\u5bc6\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u305d\u308c\u3092\u60aa\u7528\u3057\u305f\u308a\u6050\u559d\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8acb\u6c42\u66f8\u64cd\u4f5c:<\/strong> BEC \u306e\u72af\u4eba\u306f\u3001\u672c\u7269\u306e\u8acb\u6c42\u66f8\u306e\u652f\u6255\u3044\u8a73\u7d30\u3092\u6539\u3056\u3093\u3057\u3066\u3001\u8cc7\u91d1\u3092\u81ea\u5206\u306e\u53e3\u5ea7\u306b\u632f\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u76d7\u96e3:<\/strong> \u4fb5\u5bb3\u3055\u308c\u305f\u96fb\u5b50\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u3001\u5c06\u6765\u306e\u653b\u6483\u306b\u4f7f\u7528\u3057\u305f\u308a\u3001\u30c0\u30fc\u30af \u30a6\u30a7\u30d6\u3067\u8ca9\u58f2\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u8cb4\u91cd\u306a\u60c5\u5831\u3092\u62bd\u51fa\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h3>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306f\u3001\u7d44\u7e54\u306b\u3068\u3063\u3066\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u4eba\u9593\u306e\u8106\u5f31\u6027:<\/strong> \u5f93\u696d\u54e1\u306f\u77e5\u3089\u306a\u3044\u3046\u3061\u306b BEC \u653b\u6483\u306e\u88ab\u5bb3\u306b\u906d\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u610f\u8b58\u5411\u4e0a\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3068\u5b9a\u671f\u7684\u306a\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0 \u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\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\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u306a\u308a\u3059\u307e\u3057\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>2\u8981\u7d20\u8a8d\u8a3c:<\/strong> \u96fb\u5b50\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u306b 2 \u8981\u7d20\u8a8d\u8a3c\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3059\u308b\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>\u53d6\u5f15\u306e\u691c\u8a3c:<\/strong> \u91d1\u878d\u53d6\u5f15\u3001\u7279\u306b\u5927\u898f\u6a21\u306a\u8cc7\u91d1\u79fb\u52d5\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u5805\u7262\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u78ba\u7acb\u3059\u308b\u3068\u3001BEC \u95a2\u9023\u306e\u640d\u5931\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d9\u30f3\u30c0\u30fc\u30c7\u30e5\u30fc\u30c7\u30ea\u30b8\u30a7\u30f3\u30b9:<\/strong> \u5b89\u5168\u306a\u30c1\u30e3\u30cd\u30eb\u3092\u901a\u3058\u3066\u30d9\u30f3\u30c0\u30fc\u306e\u8eab\u5143\u3068\u652f\u6255\u3044\u306e\u8a73\u7d30\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30d9\u30f3\u30c0\u30fc\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u4fb5\u5bb3\u306b\u95a2\u9023\u3059\u308b\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\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>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0<\/td>\n<td>BEC \u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u542b\u3080\u5e83\u7fa9\u306e\u7528\u8a9e\u3067\u3059\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306f\u3001\u507d\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u901a\u3058\u3066\u3088\u308a\u5e83\u7bc4\u306a\u5bfe\u8c61\u8005\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u76d7\u3093\u3060\u308a\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u914d\u5e03\u3057\u305f\u308a\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2<\/td>\n<td>\u88ab\u5bb3\u8005\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u30a2\u30af\u30bb\u30b9\u3092\u56de\u5fa9\u3059\u308b\u305f\u3081\u306b\u8eab\u4ee3\u91d1\u306e\u652f\u6255\u3044\u3092\u8981\u6c42\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e00\u7a2e\u3002BEC \u3068\u306f\u7570\u306a\u308a\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306f\u6697\u53f7\u5316\u3092\u901a\u3058\u3066\u88ab\u5bb3\u8005\u304b\u3089\u76f4\u63a5\u91d1\u92ad\u3092\u596a\u3046\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u6d3b\u52d5<\/td>\n<td>\u56fd\u5bb6\u307e\u305f\u306f\u975e\u56fd\u5bb6\u4e3b\u4f53\u304c\u6a5f\u5bc6\u60c5\u5831\u3092\u76d7\u3093\u3060\u308a\u3001\u8adc\u5831\u6d3b\u52d5\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u884c\u3046\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3002BEC \u306b\u306f\u30c7\u30fc\u30bf\u76d7\u96e3\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u6d3b\u52d5\u306e\u52d5\u6a5f\u306f\u3088\u308a\u9ad8\u5ea6\u3067\u653f\u6cbb\u7684\u52d5\u6a5f\u306b\u3088\u308b\u3082\u306e\u3067\u3042\u308b\u5834\u5408\u304c\u591a\u3044\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u5c06\u6765\u306f\u3001\u4eba\u5de5\u77e5\u80fd\u3084\u30c7\u30a3\u30fc\u30d7\u30d5\u30a7\u30a4\u30af\u97f3\u58f0\u3084\u52d5\u753b\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u6280\u8853\u3092\u6d3b\u7528\u3057\u305f\u653b\u6483\u624b\u6cd5\u306e\u7d99\u7d9a\u7684\u306a\u9032\u5316\u3092\u76ee\u306e\u5f53\u305f\u308a\u306b\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u304c\u6226\u8853\u3092\u6d17\u7df4\u3055\u305b\u3066\u3044\u304f\u306b\u3064\u308c\u3066\u3001\u7d44\u7e54\u306f\u8b66\u6212\u3092\u6020\u3089\u305a\u3001\u6700\u5148\u7aef\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u5c0e\u5165\u3057\u3066\u3001BEC \u653b\u6483\u3092\u52b9\u679c\u7684\u306b\u691c\u51fa\u3057\u3001\u9632\u6b62\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c\u30d3\u30b8\u30cd\u30b9 \u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3055\u308c\u308b\u304b\u3001\u307e\u305f\u306f\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u304b<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30d3\u30b8\u30cd\u30b9 \u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u6587\u8108\u3067\u306f\u30d7\u30e9\u30b9\u306e\u5f79\u5272\u3068\u30de\u30a4\u30ca\u30b9\u306e\u5f79\u5272\u306e\u4e21\u65b9\u3092\u679c\u305f\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u4ed5\u7d44\u307f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3>\u80af\u5b9a\u7684\u306a\u4f7f\u7528\u6cd5:<\/h3>\n<ol>\n<li>\n<p><strong>\u96fb\u5b50\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3:<\/strong> \u7d44\u7e54\u306f\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u53d7\u4fe1\u30e1\u30fc\u30eb\u3068\u9001\u4fe1\u30e1\u30fc\u30eb\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304a\u3088\u3073\u5206\u6790\u3057\u3001\u6f5c\u5728\u7684\u306a BEC \u95a2\u9023\u306e\u8105\u5a01\u3092\u691c\u51fa\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d\uff1a<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u533f\u540d\u6027\u306e\u5c64\u3092\u63d0\u4f9b\u3057\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u901a\u4fe1\u304c\u60aa\u610f\u306e\u3042\u308b\u4eba\u7269\u306b\u3088\u3063\u3066\u8ffd\u8de1\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u5426\u5b9a\u7684\u306a\u95a2\u9023\u6027:<\/h3>\n<ol>\n<li>\n<p><strong>\u653b\u6483\u8005\u306e\u8eab\u5143\u3092\u96a0\u3059:<\/strong> \u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u3001BEC \u653b\u6483\u3092\u958b\u59cb\u3059\u308b\u969b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u969b\u306e\u5834\u6240\u3092\u96a0\u3057\u3001\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5236\u9650\u306e\u56de\u907f:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u653b\u6483\u8005\u304c IP \u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3084\u5730\u7406\u4f4d\u7f6e\u60c5\u5831\u306b\u57fa\u3065\u304f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u56de\u907f\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u304a\u3088\u3073\u95a2\u9023\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30c8\u30d4\u30c3\u30af\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\/2019\/191002.aspx\" target=\"_new\" rel=\"noopener nofollow\">BEC \u306b\u95a2\u3059\u308b FBI \u306e\u516c\u5171\u5e83\u544a<\/a><\/li>\n<li><a href=\"https:\/\/us-cert.cisa.gov\/ncas\/alerts\/TA18-276B\" target=\"_new\" rel=\"noopener nofollow\">US-CERT \u306b\u3088\u308b\u96fb\u5b50\u30e1\u30fc\u30eb \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3068 BEC \u306b\u95a2\u3059\u308b\u8b66\u544a<\/a><\/li>\n<li><a href=\"https:\/\/www.symantec.com\/blogs\/threat-intelligence\/evolution-business-email-compromise\" target=\"_new\" rel=\"noopener nofollow\">\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u9032\u5316<\/a><\/li>\n<li><a href=\"https:\/\/dmarc.org\/\" target=\"_new\" rel=\"noopener nofollow\">DMARC \u30e1\u30fc\u30eb\u8a8d\u8a3c<\/a><\/li>\n<li><a href=\"https:\/\/www.valimail.com\/blog\/dkim-spf-dmarc-sending-domains\/\" target=\"_new\" rel=\"noopener nofollow\">SPF\u3068DKIM\u3092\u7406\u89e3\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/www.experian.com\/innovation\/thought-leadership\/dark-web-monitoring.html\" target=\"_new\" rel=\"noopener nofollow\">\u30c0\u30fc\u30af\u30a6\u30a7\u30d6\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30d3\u30b8\u30cd\u30b9 \u30e1\u30fc\u30eb\u8a50\u6b3a\u306f\u4e16\u754c\u4e2d\u306e\u7d44\u7e54\u306b\u3068\u3063\u3066\u91cd\u5927\u306a\u8105\u5a01\u3067\u3042\u308a\u3001\u3053\u306e\u6301\u7d9a\u7684\u304b\u3064\u9032\u5316\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u304b\u3089\u8eab\u3092\u5b88\u308b\u305f\u3081\u306b\u306f\u3001\u7a4d\u6975\u7684\u306a\u5bfe\u7b56\u3001\u8a8d\u8b58\u3001\u304a\u3088\u3073\u5f37\u529b\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9632\u5fa1\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>","protected":false},"featured_media":476144,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476143","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Business Email Compromise: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is Business Email Compromise (BEC)?","answer":"<p>Business Email Compromise (BEC) is a sophisticated cybercrime tactic that targets organizations through deceptive email communication. It involves unauthorized access to email accounts to deceive employees, executives, and clients, leading to financial losses and reputational damage.<\/p>"},{"question":"How did Business Email Compromise originate?","answer":"<p>BEC emerged in the early 2000s and evolved from traditional email scams like the Nigerian Prince scam. The first known mention of BEC dates back to around 2003 when cybercriminals began impersonating CEOs and executives to request fraudulent wire transfers and sensitive information.<\/p>"},{"question":"How does Business Email Compromise work?","answer":"<p>BEC involves several stages, starting with target selection and extensive information gathering. Attackers then craft convincing emails, spoofing trusted identities, and using social engineering tactics to deceive recipients. Once the victim falls for the scam, attackers exploit the compromised account to perpetrate further attacks or financial fraud.<\/p>"},{"question":"What are the key features of Business Email Compromise?","answer":"<p>BEC stands out due to its use of spear-phishing, social engineering, and email spoofing techniques. Precise targeting of high-level individuals and cross-border operations by international criminal organizations are also characteristic of BEC attacks.<\/p>"},{"question":"What are the types of Business Email Compromise?","answer":"<p>There are several types of BEC attacks, including CEO Fraud, Invoice Phishing, Lawyer Impersonation, Vendor Email Compromise, and Employee Email Compromise. Each type focuses on specific manipulation techniques to deceive victims.<\/p>"},{"question":"How can organizations defend against Business Email Compromise?","answer":"<p>Organizations can implement various measures to counter BEC, such as providing employee awareness training, implementing email authentication protocols like DMARC, SPF, and DKIM, enforcing two-factor authentication, and verifying vendors' identities through secure channels.<\/p>"},{"question":"How can proxy servers be used for Business Email Compromise?","answer":"<p>Proxy servers can have both positive and negative roles in the context of BEC. They can be employed by organizations to enhance email security and anonymity, but cybercriminals may also use them to hide their identities and bypass security measures while launching BEC attacks.<\/p>"},{"question":"What resources provide further information about Business Email Compromise?","answer":"<p>For more information about BEC and related cybersecurity topics, you can explore resources like the FBI Public Service Announcement on BEC, US-CERT Alerts on Email Phishing and BEC, and articles on the evolution of BEC. Additionally, resources on DMARC email authentication and dark web monitoring can help enhance email security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476143","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\/476143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476144"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476143"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}