{"id":16062,"date":"2023-09-15T22:48:05","date_gmt":"2023-09-15T13:48:05","guid":{"rendered":"https:\/\/ardent.jp\/rentoffice-consultation-center\/?p=16062"},"modified":"2026-04-01T12:17:41","modified_gmt":"2026-04-01T03:17:41","slug":"business-mail-tyuui-jirei","status":"publish","type":"post","link":"https:\/\/ardent.jp\/rentoffice-consultation-center\/security\/security-news\/business-mail-tyuui-jirei\/","title":{"rendered":"\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306b\u8981\u6ce8\u610f\uff01\u6700\u65b0\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb"},"content":{"rendered":"<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC:Business Email 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style=\"color: #ff0000;\">A\u793e\u306e\u62c5\u5f53\u8005\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u4e57\u3063\u53d6\u3089\u308c\u3066\u9001\u4ed8\u3055\u308c\u305f\u3082\u306e\u3067\u3057\u305f<\/span><\/strong>\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-16106 size-full lazyload\" data-src=\"https:\/\/ardent.jp\/rentoffice-consultation-center\/wp-content\/uploads\/2023\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2023-08-30-215159.png\" alt=\"\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u767d\u66f82023 \u653b\u6483\u8005\u3068\u306e\u3084\u308a\u53d6\u308a\" width=\"645\" height=\"280\" data-srcset=\"https:\/\/ardent.jp\/rentoffice-consultation-center\/wp-content\/uploads\/2023\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2023-08-30-215159.png 645w, 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style=\"color: #ff0000;\">.<\/span>\u25cf\u25cf<\/p>\n<p>\u25cf\u507d\u7269\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u2192alice@abc<span style=\"color: #ff0000;\">&#8211;<\/span>\u25cf\u25cf<span style=\"color: #ff0000;\">.com<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E2%91%A1CEO%E3%82%92%E8%A9%90%E7%A7%B0%E3%81%99%E3%82%8B%E6%94%BB%E6%92%83\"><\/span>\u2461CEO\u3092\u8a50\u79f0\u3059\u308b\u653b\u6483<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>CEO\uff08Chief Executive 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id=\"%E2%91%A0%E3%83%93%E3%82%B8%E3%83%8D%E3%82%B9%E3%83%A1%E3%83%BC%E3%83%AB%E8%A9%90%E6%AC%BA%E3%81%AE%E5%91%A8%E7%9F%A5%E5%BE%B9%E5%BA%95%E3%81%A8%E6%83%85%E5%A0%B1%E5%85%B1%E6%9C%89\"><\/span>\u2460\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u5468\u77e5\u5fb9\u5e95\u3068\u60c5\u5831\u5171\u6709<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306f\u3001\u4f01\u696d\u9593\u306e\u30e1\u30fc\u30eb\u3092\u60aa\u7528\u3057\u305f\u5de7\u5999\u306a\u624b\u53e3\u3067\u3059\u3002\u307e\u305a\u306f\u3001<strong><span style=\"color: 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Officer)\u3084\u3001\u7d4c\u7406\u90e8\u9580\u7b49\u306e\u62c5\u5f53\u8005\u304c\u3001\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u8105\u5a01\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3001\u9001\u91d1\u524d\u306b\u653b\u6483\u306b\u6c17\u4ed8\u304f\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001\u91d1\u92ad\u7684\u306a\u88ab\u5bb3\u3092\u672a\u7136\u306b\u9632\u3052\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E2%91%A1%E9%80%81%E9%87%91%E5%87%A6%E7%90%86%E3%81%AE%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E4%BD%93%E5%88%B6%E5%BC%B7%E5%8C%96\"><\/span>\u2461\u9001\u91d1\u51e6\u7406\u306e\u30c1\u30a7\u30c3\u30af\u4f53\u5236\u5f37\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9001\u91d1\u6642\u306e\u30c1\u30a7\u30c3\u30af\u4f53\u5236\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u3082\u3001\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u88ab\u5bb3\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5225\u306e\u53e3\u5ea7\u3078\u306e\u5909\u66f4\u3092\u6c42\u3081\u3089\u308c\u305f\u308a\u3001\u6025\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u5909\u66f4\u7b49\u304c\u3042\u3063\u305f\u308a\u306a\u3069\u3001\u901a\u5e38\u3068\u7570\u306a\u308b\u5bfe\u5fdc\u304c\u884c\u308f\u308c\u305f\u3068\u304d\u306f\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u7591\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u5225\u306e\u62c5\u5f53\u8005\u3068\u30c0\u30d6\u30eb\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u65bd\u3057\u305f\u308a\u3001\u96fb\u8a71\u3084\u30e1\u30fc\u30eb\u3001FAX\u4ee5\u5916\u306e\u624b\u6bb5\u3067\u4e8b\u5b9f\u78ba\u8a8d\u3092\u884c\u3063\u305f\u308a\u306a\u3069\u3001\u4e8c\u91cd\u30fb\u4e09\u91cd\u306b\u3082\u6e21\u308b\u30c1\u30a7\u30c3\u30af\u4f53\u5236\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><span 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class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u653b\u6483\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u507d\u7269\u3067\u3042\u308b\u3053\u3068\u306b\u65e9\u3081\u306b\u6c17\u3065\u3051\u308c\u3070\u3001\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002\u30e1\u30fc\u30eb\u3092\u8fd4\u4fe1\u3059\u308b\u524d\u306b\u3053\u308c\u304b\u3089\u9001\u308b\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u3001\u5fc5\u305a\u78ba\u8a8d\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u3084\u81ea\u7d44\u7e54\u5916\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u7740\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u306b\u3064\u3044\u3066\u3001\u4ef6\u540d\u3084\u672c\u6587\u306b\u305d\u306e\u65e8\u306e\u8b66\u544a\u3092\u8868\u793a\u3059\u308b\u30e1\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u63a1\u7528\u3059\u308c\u3070\u3001\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u30e1\u30fc\u30eb\u304b\u3069\u3046\u304b\u3092\u898b\u5206\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E2%91%A3%E3%83%95%E3%82%A3%E3%83%83%E3%82%B7%E3%83%B3%E3%82%B0%E3%83%BB%E3%82%A6%E3%82%A4%E3%83%AB%E3%82%B9%E3%83%BB%E4%B8%8D%E6%AD%A3%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E5%AF%BE%E7%AD%96%E3%82%92%E5%BE%B9%E5%BA%95%E3%81%97%E3%81%A6%E8%A1%8C%E3%81%86\"><\/span>\u2463\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30fb\u30a6\u30a4\u30eb\u30b9\u30fb\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5bfe\u7b56\u3092\u5fb9\u5e95\u3057\u3066\u884c\u3046<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u3092\u884c\u3046\u653b\u6483\u8005\u306f\u3001\u3042\u308b\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3067\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\u3092\u5165\u624b\u3057\u3066\u3044\u305f\u308a\u3001\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u7b49\u306b\u3088\u3063\u3066\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u3084\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\u3092\u7a83\u53d6\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u57fa\u672c\u7684\u306a\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u3084\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5bfe\u7b56\u7b49\u3092\u884c\u3063\u3066\u304a\u304f\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Microsoft 365\u3084Google Workspace\u7b49\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u591a\u8981\u7d20\u8a8d\u8a3c\u7b49\u3092\u6d3b\u7528\u3057\u3001\u7b2c\u4e09\u8005\u306e\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u9632\u3050\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4eca\u56de\u306f\u3001<strong><span style=\"color: #ff0000;\">\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\u306e\u6700\u65b0\u4e8b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f<\/span><\/strong><span style=\"color: #ff0000;\"><span style=\"color: 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align=\"center\">\n<a href=\"https:\/\/c-compe.com\/securitysoft\/mailsecurity-comparison\/\" class=\"q_button bt_red\">\u30af\u30e9\u30a6\u30c9\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u4fa1\u683c\u4e00\u62ec\u6bd4\u8f03 c-compe.com &#x27a1;<\/a>\n<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC:Business Email Compromise\uff09\u3068\u306f\u3001\u507d\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u4f01\u696d\u306b\u9001\u308a\u4ed8\u3051\u3001\u5165\u91d1\u3084\u9001\u91d1\u306a\u3069\u3092\u4fc3\u3059\u30b5\u30a4\u30d0\u30fc\u653b\u6483 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