{"id":1969,"date":"2023-04-23T16:03:40","date_gmt":"2023-04-23T07:03:40","guid":{"rendered":"https:\/\/www.seraku.co.jp\/columns\/\/\/"},"modified":"2025-01-09T15:56:36","modified_gmt":"2025-01-09T06:56:36","slug":"whatis-spoofedemail","status":"publish","type":"post","link":"https:\/\/www.seraku.co.jp\/columns\/managedservice\/managedservice-01\/whatis-spoofedemail\/","title":{"rendered":"\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u306f\uff1f\u7a2e\u985e\u3084\u52b9\u679c\u7684\u306a\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac\uff01"},"content":{"rendered":"\n<div class=\"btn-doc-contact\"><a href=\"https:\/\/www.seraku.co.jp\/pr-site\/cloudsupportcenter\/contact\/\" target=\"_blank\" rel=\"noopener\">\u304a\u554f\u3044\u5408\u308f\u305b\u306f\u3053\u3061\u3089<\/a><\/div>\n\n\n\n<p><span class=\"span-stk-fs-l\"><strong>\u306f\u3058\u3081\u306b<\/strong><\/span><\/p>\n\n\n\n<p>\u96fb\u8a71\u306e\u6642\u9593\u304c\u5408\u308f\u306a\u3044\u76f8\u624b\u3068\u306e\u3084\u308a\u53d6\u308a\u3084\u6587\u66f8\u306e\u9001\u4ed8\u306a\u3069\u3001\u65e5\u5e38\u3067\u3082\u30d3\u30b8\u30cd\u30b9\u3067\u3082\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u3042\u308b\u30e1\u30fc\u30eb\u3002\u6628\u4eca\u306f\u30c6\u30ec\u30ef\u30fc\u30af\u9700\u8981\u304c\u62e1\u5927\u3057\u305f\u3053\u3068\u306b\u3088\u308a\u3001\u30aa\u30d5\u30a3\u30b9\u52e4\u52d9\u306a\u3089\u3070\u76f4\u63a5\u8a71\u3057\u3066\u6e08\u307e\u305b\u308b\u3088\u3046\u306a\u3084\u308a\u53d6\u308a\u3067\u3082\u3001\u30e1\u30fc\u30eb\u3092\u4f7f\u3046\u6a5f\u4f1a\u306f\u591a\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u30e1\u30fc\u30eb\u306f\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308b\u4e00\u65b9\u3001\u8a50\u6b3a\u3084\u500b\u4eba\u60c5\u5831\u3092\u9a19\u3057\u53d6\u308b\u3088\u3046\u306a\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u3088\u308b\u88ab\u5bb3\u304c\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002\u672c\u8a18\u4e8b\u3067\u306f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u624b\u53e3\u3068\u5f15\u3063\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u7406\u7531\u3001\u5bfe\u7b56\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u306f<\/h2>\n\n\n\n<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u306f\u3001\u60aa\u610f\u3042\u308b\u7b2c\u4e09\u8005\u304c\u4f01\u696d\u3084\u7d44\u7e54\u3001\u4ed6\u4eba\u306e\u540d\u3092\u9a19\u308a\u3001\u9001\u308a\u4ed8\u3051\u308b\u30e1\u30fc\u30eb\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u591a\u304f\u304c\u500b\u4eba\u60c5\u5831\u306e\u629c\u304d\u53d6\u308a\u3084\u91d1\u92ad\u306e\u4e0d\u5f53\u306a\u8981\u6c42\u3067\u3059\u3002\u901a\u8ca9\u30b5\u30a4\u30c8\u3084\u904b\u9001\u696d\u306a\u3069\u5229\u7528\u3057\u305f\u7d4c\u9a13\u306e\u3042\u308b\u4f01\u696d\u3084\u3001\u88c1\u5224\u6240\u3084\u5f01\u8b77\u58eb\u306e\u3088\u3046\u306a\u6cd5\u5f8b\u95a2\u4fc2\u8005\u3092\u540d\u4e57\u308b\u8005\u304b\u3089\u3001\u500b\u4eba\u60c5\u5831\u3084\u91d1\u92ad\u3092\u8981\u6c42\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u305f\u3053\u3068\u304c\u3001\u8ab0\u3057\u3082\u4e00\u5ea6\u306f\u3042\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<br>\u4ee5\u524d\u306f\u4e00\u76ee\u3067\u602a\u3057\u3044\u3068\u6c17\u3065\u3051\u308b\u3082\u306e\u304c\u591a\u304b\u3063\u305f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3002\u3057\u304b\u3057\u3001\u6628\u4eca\u306f\u9001\u4fe1\u5143\u304c\u4e00\u898b\u81ea\u5206\u306e\u767b\u9332\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3084\u53d6\u5f15\u5148\u306b\u306a\u3063\u3066\u3044\u305f\u308a\u3001\u5177\u4f53\u7684\u306a\u6307\u6458\u3068\u6307\u793a\u3067\u7dca\u6025\u6027\u304c\u9ad8\u3044\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u5f37\u8abf\u3057\u3066\u53d7\u4fe1\u8005\u306e\u51b7\u9759\u3055\u3092\u5931\u308f\u305b\u3088\u3046\u3068\u3057\u305f\u308a\u3068\u3001\u624b\u53e3\u3082\u5e74\u3005\u5de7\u5999\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5c4a\u3044\u305f\u30e1\u30fc\u30eb\u3092\u4e00\u76ee\u3067\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3060\u3068\u5224\u65ad\u3059\u308b\u306e\u306f\u5bb9\u6613\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u75c7\u306e\u5f71\u97ff\u3067\u30c6\u30ec\u30ef\u30fc\u30af\u9700\u8981\u304c\u62e1\u5927\u3057\u305f\u9803\u304b\u3089\u3001\u4ee3\u8868\u7684\u306a\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3067\u3042\u308b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306e\u5831\u544a\u4ef6\u6570\u306f\u6025\u5897\u3057\u3066\u304a\u308a\uff08\u56f31\uff09\u3001\u30b3\u30ed\u30ca\u798d\u4ee5\u524d\u3068\u6bd4\u8f03\u3059\u308b\u3068\u8a50\u6b3a\u88ab\u5bb3\u306b\u3042\u3046\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"582\" src=\"https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01-1024x582.png\" alt=\"\" class=\"wp-image-1970\" srcset=\"https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01-1024x582.png 1024w, https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01-300x170.png 300w, https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01-768x436.png 768w, https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01-1536x873.png 1536w, https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01-485x276.png 485w, https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2022\/08\/cs_column_top_01_21_01.png 1934w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u56f31.\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5831\u544a\u4ef6\u6570<\/figcaption><\/figure>\n\n\n\n<p><span class=\"span-stk-fs-ss\"><span class=\"span-stk-fs-m\"><span class=\"span-stk-fs-s\">\u53c2\u8003\uff1a\u5831\u544a\u4ef6\u6570\u306f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u5354\u8b70\u4f1a\uff08<a href=\"https:\/\/www.antiphishing.jp\/report\/monthly\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.antiphishing.jp\/report\/monthly\/<\/a>\uff09\u306e\u8abf\u67fb\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u3059<\/span><\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p>\u4e00\u62ec\u308a\u306b\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u3044\u3063\u3066\u3082\u3055\u307e\u3056\u307e\u306a\u624b\u53e3\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u3082\u306e\u306f\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb<\/li>\n\n\n\n<li>\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC\uff09<\/li>\n\n\n\n<li>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u8a50\u6b3a<\/li>\n\n\n\n<li>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30ad\u30fc\u30ed\u30ac\u30fc<\/li>\n<\/ul>\n\n\n\n<p>\u6b21\u306e\u9805\u76ee\u304b\u3089\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb<\/h3>\n\n\n\n<p>EC\uff08\u96fb\u5b50\u5546\u53d6\u5f15\uff09\u30b5\u30a4\u30c8\u3084\u30ab\u30fc\u30c9\u4f1a\u793e\u3001\u3042\u308b\u3044\u306f\u6709\u540d\u4eba\u306a\u3069\u5b9f\u5728\u3059\u308b\u4f01\u696d\u30fb\u4eba\u7269\u306b\u306a\u308a\u3059\u307e\u3057\u305f\u30e1\u30fc\u30eb\u3092\u9001\u308a\u4ed8\u3051\u3001\u91d1\u92ad\u306e\u8981\u6c42\u3084\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4e57\u3063\u53d6\u308a\u3001\u500b\u4eba\u60c5\u5831\u306e\u76d7\u53d6\u306a\u3069\u3092\u884c\u3046\u624b\u53e3\u3067\u3059\u3002<br>\u300c\u6599\u91d1\u672a\u6255\u3044\u300d\u300c\u6cd5\u7684\u63aa\u7f6e\u300d\u306a\u3069\u306e\u6587\u8a00\u3092\u7528\u3044\u3066\u67b6\u7a7a\u8acb\u6c42\u3092\u3057\u3066\u304f\u308b\u30e1\u30fc\u30eb\u3084\u3001\u30e1\u30fc\u30eb\u672c\u6587\u306bURL\u3092\u633f\u5165\u3057\u3001\u672c\u7269\u3068\u305d\u3063\u304f\u308a\u306a\u507d\u306e\u30b5\u30a4\u30c8\u306b\u8a98\u5c0e\u3057\u3066\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306b\u60c5\u5831\u3092\u5165\u529b\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u3084\u6c0f\u540d\u30fb\u4f4f\u6240\u306e\u3088\u3046\u306a\u500b\u4eba\u60c5\u5831\u3092\u629c\u304d\u53d6\u308b\u306a\u3069\u3001\u4ee5\u524d\u304b\u3089\u3042\u308b\u5178\u578b\u7684\u306a\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3067\u3059\u3002\u6642\u4ee3\u306b\u5408\u308f\u305b\u3066\u300c\u6708\u984d\u5229\u7528\u6599\u300d\u3084\u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u5909\u66f4\u306e\u304a\u77e5\u3089\u305b\u300d\u306a\u3069\u3001\u3088\u308a\u591a\u304f\u306e\u4eba\u306e\u8208\u5473\u95a2\u5fc3\u3092\u5f15\u304f\u3088\u3046\u306a\u6587\u8a00\u3092\u7528\u3044\u3066\u30ea\u30f3\u30af\u5148\u3078\u8a98\u5c0e\u3059\u308b\u3068\u3053\u308d\u304c\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u306e\u5384\u4ecb\u306a\u70b9\u3067\u3059\u3002<br>\u3053\u306e\u624b\u53e3\u306e\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u4e0d\u5b89\u3092\u717d\u3063\u3066\u30ea\u30f3\u30af\u5148\u3078\u8a98\u5c0e<br>\uff08\u4f8b\uff09\u300c\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u51cd\u7d50\u300d\u300c\u6599\u91d1\u672a\u6255\u3044\u300d\u306a\u3069\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u306a\u308a\u3059\u307e\u3059\u4f01\u696d\u306e\u30e1\u30fc\u30eb\u6587\u9762\u3084\u30da\u30fc\u30b8\u30c7\u30b6\u30a4\u30f3\u3092\u6a21\u5023<br>\uff08\u4f8b\uff09EC\u30b5\u30a4\u30c8\u306e\u8cfc\u5165\u5c65\u6b74\u3068\u9177\u4f3c\u3057\u305f\u6587\u9762\u3067\u306e\u91d1\u92ad\u306e\u652f\u6255\u3044\u8981\u6c42<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff08BEC\uff09<\/h3>\n\n\n\n<p>\u53d6\u5f15\u5148\u3084\u8077\u5834\u95a2\u4fc2\u8005\u306a\u3069\u3001\u30d3\u30b8\u30cd\u30b9\u4e0a\u306e\u95a2\u4fc2\u8005\u3092\u88c5\u3063\u3066\u30e1\u30fc\u30eb\u3092\u9001\u308a\u4ed8\u3051\u308b\u3068\u3044\u3046\u3001\u4e16\u754c\u5404\u5730\u3067\u6025\u5897\u3057\u3066\u3044\u308b\u624b\u53e3\u3067\u3059\u3002\u507d\u308a\u306e\u652f\u6255\u3044\u6307\u793a\u3092\u3057\u3066\u91d1\u92ad\u306a\u3069\u3092\u9a19\u3057\u53d6\u308b\u3053\u3068\u3084\u3001\u30d3\u30b8\u30cd\u30b9\u6587\u66f8\u3092\u88c5\u3063\u305f\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u4fe1\u8005\u306b\u958b\u304b\u305b\u308b\u3053\u3068\u3067\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3055\u305b\u3001\u6a5f\u5bc6\u60c5\u5831\u306e\u76d7\u53d6\u3092\u3059\u308b\u3053\u3068\u306a\u3069\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<br>\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u6c7a\u3081\u3066\u5ff5\u5165\u308a\u306a\u4e0b\u8abf\u3079\u3092\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3001\u7121\u5dee\u5225\u306b\u30e1\u30fc\u30eb\u3092\u9001\u308a\u4ed8\u3051\u308b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3068\u5927\u304d\u304f\u7570\u306a\u308b\u70b9\u3067\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u6570\u304b\u6708\u304b\u3089\u6570\u5e74\u3082\u306e\u6642\u9593\u3092\u304b\u3051\u3066\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3064\u3044\u3066\u8abf\u3079\u4e0a\u3052\u3001\u3055\u3089\u306b\u306f\u4eba\u624b\u304c\u5c11\u306a\u304f\u306a\u308a\u3084\u3059\u3044\u9577\u671f\u4f11\u6687\u524d\u5f8c\u306e\u6642\u671f\u3092\u72d9\u3046\u306a\u3069\u624b\u53e3\u304c\u975e\u5e38\u306b\u72e1\u733e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br>\u65e5\u672c\u4f01\u696d\u3067\u3082\u3001\u3059\u3067\u306b\u5927\u624b\u822a\u7a7a\u4f1a\u793e\u304c\u6570\u5104\u5186\u898f\u6a21\u306e\u8a50\u6b3a\u88ab\u5bb3\u306b\u3042\u3063\u3066\u304a\u308a\u3001\u5bfe\u5cb8\u306e\u706b\u4e8b\u3067\u6e08\u307e\u305b\u308b\u306e\u306f\u5371\u967a\u306a\u6642\u4ee3\u3060\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<br>\u3053\u306e\u624b\u53e3\u306e\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u7dca\u6025\u6027\u3092\u717d\u308b\u4ef6\u540d<\/li>\n\n\n\n<li>\uff08\u4f8b\uff09\u300c\u7dca\u6025\u300d\u300c\u91cd\u8981\u300d\u300c\u6975\u79d8\u300d\u306a\u3069<\/li>\n\n\n\n<li>\u9001\u308a\u4e3b\u304c\u672c\u4eba\u3067\u3042\u308b\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u308b<\/li>\n\n\n\n<li>\uff08\u4f8b\uff09\u7f72\u540d\u304c\u672c\u7269\u3068\u5b8c\u5168\u306b\u4e00\u81f4\u3001\u307e\u305f\u306f\u9177\u4f3c<\/li>\n\n\n\n<li>\u30d3\u30b8\u30cd\u30b9\u4e0a\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u540d\u79f0\u306e\u30d5\u30a1\u30a4\u30eb\u6dfb\u4ed8<\/li>\n\n\n\n<li>\uff08\u4f8b\uff09\u300c\u898b\u7a4d\u66f8\u300d\u300c\u8b70\u4e8b\u9332\u300d\u306a\u3069<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u8a50\u6b3a<\/h3>\n\n\n\n<p>Web\u30da\u30fc\u30b8\u3084\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u672c\u6587\u306b\u633f\u5165\u3055\u308c\u3066\u3044\u308bURL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3001\u52d5\u753b\u306e\u518d\u751f\u30dc\u30bf\u30f3\u3084\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u308a\u3059\u308b\u3060\u3051\u3067\u3001\u5165\u4f1a\u624b\u7d9a\u304d\u3084\u6709\u6599\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u306a\u3069\u306e\u5951\u7d04\u304c\u6210\u7acb\u3057\u305f\u304b\u306e\u3088\u3046\u306b\u898b\u305b\u3001\u91d1\u92ad\u306e\u652f\u6255\u3044\u3092\u8981\u6c42\u3059\u308b\u624b\u53e3\u306e\u8a50\u6b3a\u3067\u3059\u3002<br>\u30da\u30fc\u30b8\u5185\u306e\u5e74\u9f62\u8a8d\u8a3c\u30dc\u30bf\u30f3\u3084\u753b\u50cf\u3001\u52d5\u753b\u518d\u751f\u30dc\u30bf\u30f3\u306a\u3069\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\uff1d\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u306b\u3088\u3063\u3066\u8a50\u6b3a\u306e\u88ab\u5bb3\u306b\u3042\u3046\u3053\u3068\u304b\u3089\u300c\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u8a50\u6b3a\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u672c\u6587\u306b\u633f\u5165\u3055\u308c\u3066\u3044\u308bURL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u8a50\u6b3a\u306e\u88ab\u5bb3\u306b\u3042\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u3068\u3066\u3082\u5371\u967a\u3067\u3059\u3002\u307e\u305f\u3001\u6628\u4eca\u3067\u306fURL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u753b\u9762\u3092\u95b2\u89a7\u3059\u308b\u3060\u3051\u3067\u652f\u6255\u3044\u3092\u8feb\u308b\u3068\u3044\u3046\u3001\u3088\u308a\u60aa\u8cea\u306a\u300c\u30bc\u30ed\u30af\u30ea\u30c3\u30af\u8a50\u6b3a\u300d\u3082\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002<br>\u3053\u306e\u624b\u53e3\u306e\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u30a2\u30c0\u30eb\u30c8\u30fb\u51fa\u4f1a\u3044\u7cfb\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u88c5\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044<\/li>\n\n\n\n<li>\u5229\u7528\u8005\u306e\u500b\u4eba\u60c5\u5831\u3092\u7279\u5b9a\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u308b<\/li>\n\n\n\n<li>\uff08\u4f8b\uff09\u5229\u7528\u8005\u306eIP\u30a2\u30c9\u30ec\u30b9\u3084\u4f4d\u7f6e\u60c5\u5831\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u3092\u753b\u9762\u4e0a\u306b\u8868\u793a\u3059\u308b\u306a\u3069<\/li>\n\n\n\n<li>\u5229\u7528\u8005\u3092\u8105\u3057\u3066\u652f\u6255\u3044\u3092\u8feb\u308b<\/li>\n\n\n\n<li>\uff08\u4f8b\uff09\u300c\u3007\u65e5\u4ee5\u5185\u306b\u652f\u6255\u308f\u306a\u3051\u308c\u3070\u6cd5\u7684\u63aa\u7f6e\u3092\u3068\u308b\u300d\u300c\u652f\u6255\u3044\u304c\u9045\u5ef6\u3059\u308c\u3070\u9ad8\u984d\u306a\u6599\u91d1\u304c\u767a\u751f\u3059\u308b\u300d\u306a\u3069<\/li>\n\n\n\n<li>\u5229\u7528\u8005\u304b\u3089\u9023\u7d61\u3092\u3068\u308b\u3088\u3046\u306b\u8a98\u5c0e\u3059\u308b<\/li>\n\n\n\n<li>\uff08\u4f8b\uff09\u300c\u9023\u7d61\u3059\u308c\u3070\u6599\u91d1\u306e\u6e1b\u984d\u304c\u3067\u304d\u308b\u300d\u300c\u652f\u6255\u3048\u306a\u3044\u5834\u5408\u306f\u3053\u3061\u3089\u306b\u9023\u7d61\u300d\u306a\u3069<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30ad\u30fc\u30ed\u30ac\u30fc<\/h3>\n\n\n\n<p>\u30ad\u30fc\u30ed\u30ac\u30fc\u3068\u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3067\u5165\u529b\u3055\u308c\u305f\u5185\u5bb9\uff08\u5c65\u6b74\uff09\u3092\u8a18\u9332\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306a\u3069\u306e\u3053\u3068\u3067\u3059\u3002\u672c\u6765\u306f\u30c7\u30d0\u30c3\u30b0\u3084\u901a\u4fe1\u30ed\u30b0\u306e\u78ba\u8a8d\u306a\u3069\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u5f79\u7acb\u3066\u3089\u308c\u3066\u3044\u305f\u6280\u8853\u3067\u3059\u304c\u3001\u4ed6\u4eba\u306e\u60c5\u5831\u3092\u76d7\u307f\u53d6\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u60aa\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br>\u3053\u3053\u3067\u306f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u95a2\u308f\u308a\u304c\u6df1\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u578b\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u578b\u306e\u30ad\u30fc\u30ed\u30ac\u30fc\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u3044\u3046\u5206\u985e\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b\u3053\u3068\u3067\u30d1\u30bd\u30b3\u30f3\u306b\u4fb5\u5165\u3057\u307e\u3059\u3002\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u6587\u9762\u306b\u633f\u5165\u3055\u308c\u3066\u3044\u308bURL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3001\u6709\u5bb3\u306aWeb\u30da\u30fc\u30b8\u3092\u95b2\u89a7\u3057\u305f\u308a\u3059\u308b\u3060\u3051\u3067\u52dd\u624b\u306b\u30ad\u30fc\u30ed\u30ac\u30fc\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3082\u3042\u308b\u305f\u3081\u3001\u5165\u529b\u3057\u305f\u60c5\u5831\u3092\u6c17\u3065\u304b\u306a\u3044\u3046\u3061\u306b\u76d7\u307f\u53d6\u3089\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u975e\u5e38\u306b\u5371\u967a\u3067\u3059\u3002<br>\u5bfe\u7b56\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u6ce8\u610f\u559a\u8d77\u3059\u308b\u3053\u3068\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul>\n<li>\u4e0d\u7528\u610f\u306b\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30fc\u30bf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u602a\u3057\u3044Web\u30da\u30fc\u30b8\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u4e07\u304c\u4e00\u7aef\u672b\u306b\u4fb5\u5165\u3055\u308c\u3066\u3082\u691c\u77e5\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u30bd\u30d5\u30c8\u3092\u5e38\u306b\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u5bfe\u7b56<\/h2>\n\n\n\n<p>\u3053\u3053\u307e\u3067\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u624b\u53e3\u306b\u306f\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u306e\u3069\u308c\u3082\u304c\u60c5\u5831\u3084\u8cc7\u7523\u3092\u72d9\u3063\u305f\u60aa\u8cea\u306a\u3082\u306e\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u3054\u8aac\u660e\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u305d\u308c\u3067\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306f\u3069\u306e\u3088\u3046\u306b\u56de\u907f\u3059\u308c\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u304b\u3002<br>\u3053\u3053\u3067\u3001\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u3068\u3044\u3046\u6280\u8853\u3092\u5229\u7528\u3057\u305f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3078\u306e\u6709\u52b9\u7684\u306a\u5bfe\u7b56\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPF (Sender Policy Framework)<\/h3>\n\n\n\n<p>SPF\u306f\u3001DNS\uff08Domain Name System\uff09\u306b\u3042\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u306f\u3058\u3081\u3068\u3057\u305f\u5404\u7a2e\u60c5\u5831\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u30c9\u30e1\u30a4\u30f3\uff08\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\uff20\u4ee5\u964d\u306e\u6587\u5b57\u5217\uff09\u306e\u507d\u88c5\u3092\u691c\u77e5\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306e\u60c5\u5831\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u4e00\u89a7\u306e\u3053\u3068\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3068\u547c\u3073\u307e\u3059\u3002<br>SPF\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u3068\u3001\u81ea\u52d5\u7684\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u306eDNS\u306b\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u307e\u3059\u3002\u3082\u3057DNS\u5185\u306b\u4fdd\u7ba1\u3055\u308c\u3066\u3044\u308bSPF\u30ec\u30b3\u30fc\u30c9\u3068\u9001\u3089\u308c\u3066\u304d\u305f\u30e1\u30fc\u30eb\u306e\u60c5\u5831\u304c\u4e00\u81f4\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u30e1\u30fc\u30eb\u306f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3060\u3068\u5224\u65ad\u3055\u308c\u308b\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002<br>\u3053\u306e\u6642\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u306f\u3001\u9001\u4fe1\u8005\u306eDNS\u306bSPF\u30ec\u30b3\u30fc\u30c9\u304c\u306a\u304b\u3063\u305f\u5834\u5408\u3082\u602a\u3057\u3044\u30e1\u30fc\u30eb\u3060\u3068\u5224\u65ad\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u884c\u3063\u3066\u3044\u308b\u4f01\u696d\u306f\u3001SPF\u30ec\u30b3\u30fc\u30c9\u3092\u9069\u5207\u306b\u8a2d\u7f6e\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br>SPF\u306f\u4ed6\u306e\u5bfe\u7b56\u3068\u6bd4\u8f03\u3059\u308b\u3068\u5c0e\u5165\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u3084\u6642\u9593\u304c\u5c11\u306a\u304f\u6e08\u307f\u3001\u5e83\u304f\u666e\u53ca\u3057\u3066\u3044\u308b\u305f\u3081\u6271\u3044\u3084\u3059\u3044\u3053\u3068\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DKIM (DomainKeys Identified Mail)\u30fbDMARC (Domain-based Message Authentication, Reporting, and Conformance)<\/h3>\n\n\n\n\n\n<p>SPF\u3088\u308a\u3082\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3068\u3057\u3066\u3001DKIM\u3084DMARC\u304c\u3042\u308a\u307e\u3059\u3002<br>DKIM\u306f\u306a\u308a\u3059\u307e\u3057\u3060\u3051\u3067\u306f\u306a\u304f\u30e1\u30fc\u30eb\u5185\u5bb9\u306e\u6539\u3056\u3093\u3082\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u6280\u8853\u3067\u3042\u308a\u3001DMARC\u306fSPF\u3084DKIM\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3067\u3001\u81ea\u793e\u306b\u306a\u308a\u3059\u307e\u3057\u305f\u30e1\u30fc\u30eb\u304c\u53d7\u4fe1\u8005\u306b\u5c4a\u304b\u306a\u3044\u3088\u3046\u306b\u9001\u4fe1\u5074\u304b\u3089\u8a2d\u5b9a\u3067\u304d\u308b\u6280\u8853\u3067\u3059\u3002<br>\u7dcf\u52d9\u7701\u304c\u767a\u884c\u3057\u3066\u3044\u308b\u300c\u8ff7\u60d1\u30e1\u30fc\u30eb\u767d\u66f82021\u300d\u306b\u3088\u308c\u3070\u30012020\u5e74\u5ea6\u306bDKIM\u306e\u96fb\u5b50\u7f72\u540d\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u306f\u5e73\u5747\u7d0435\uff05\uff08\uff1d\u304a\u3088\u305d6\u5272\u4ee5\u4e0a\u306e\u30e1\u30fc\u30eb\u306bDKIM\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u308b\uff09\u3067\u3042\u308a\u3001\u3053\u306e\u3088\u3046\u306a\u9ad8\u5ea6\u306a\u6280\u8853\u3082\u5f90\u3005\u306b\u5c0e\u5165\u304c\u9032\u3093\u3067\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002DKIM\u30fbDMARC\u306e\u666e\u53ca\u7387\u304c\u9ad8\u307e\u308b\u306e\u306b\u5408\u308f\u305b\u3001\u4e3b\u306b\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u5074\u306e\u4f01\u696d\u3067\u3042\u3063\u3066\u3082\u3001\u3053\u308c\u3089\u306e\u3088\u3046\u306a\u6280\u8853\u306b\u5bfe\u3057\u3066\u77e5\u898b\u3092\u6301\u3061\u5bfe\u5fdc\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><span class=\"span-stk-fs-l\"><strong>\u307e\u3068\u3081<\/strong><\/span><\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3068\u306f\u3069\u3046\u3044\u3046\u3082\u306e\u3067\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u304c\u3042\u308b\u306e\u304b\u3001\u305d\u306e\u624b\u53e3\u3084\u4ed5\u7d44\u307f\u3092\u542b\u3081\u5bfe\u7b56\u3092\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u56fd\u3084\u81ea\u6cbb\u4f53\u3001\u3055\u307e\u3056\u307e\u306a\u4f01\u696d\u304c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3078\u306e\u8b66\u6212\u3092\u8a34\u3048\u304b\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u5de7\u5999\u306a\u624b\u53e3\u306b\u3088\u3063\u3066\u9a19\u3055\u308c\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u306f\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002<br>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u88ab\u5bb3\u306b\u3042\u308f\u306a\u3044\u305f\u3081\u306b\u306f\u3001\u672c\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f\u6709\u52b9\u306a\u5bfe\u7b56\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u3067\u3057\u3087\u3046\u3002\u4e07\u4e00\u88ab\u5bb3\u306b\u3042\u3063\u305f\u5834\u5408\u306b\u3082\u3001\u5bb9\u6613\u306b\u8acb\u6c42\u306b\u5fdc\u3058\u308b\u3053\u3068\u306e\u306a\u3044\u3088\u3046\u5fc3\u304c\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<br>\u5b89\u5fc3\u3057\u3066\u30e1\u30fc\u30eb\u306e\u3084\u308a\u53d6\u308a\u304c\u3067\u304d\u308b\u74b0\u5883\u3092\u4f5c\u308a\u305f\u3044\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u542b\u3080\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u3092\u56f3\u308a\u305f\u3044\u306a\u3069\u3001\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u5bfe\u7b56\u3067\u304a\u56f0\u308a\u306e\u5834\u5408\u306f\u30bb\u30e9\u30af\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<br>\u30bb\u30e9\u30af\u3067\u306f\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u304c24\u6642\u9593365\u65e5\u306e\u4f53\u5236\u3067\u3001\u9ad8\u54c1\u8cea\u306a\u30b5\u30dd\u30fc\u30c8\u3092\u304a\u7d04\u675f\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"btn-doc-contact\"><a href=\"https:\/\/www.seraku.co.jp\/pr-site\/cloudsupportcenter\/contact\/\" target=\"_blank\" rel=\"noopener\">\u304a\u554f\u3044\u5408\u308f\u305b\u306f\u3053\u3061\u3089<\/a><\/div>\n\n\n\n<ul class=\"sns_btn__ul\" style=\"margin-top: 20px;\">\n<li class=\"sns_btn__li twitter\"><a class=\"sns_btn__link\" target=\"blank\" href=\"\/\/twitter.com\/intent\/tweet?url=\nhttps%3A%2F%2Fwww.seraku.co.jp%2Fcolumns%2Fmanagedservice%2Fmanagedservice-01%2Fwhatis-spoofedemail%2F\n&#038;text=\n%E3%81%AA%E3%82%8A%E3%81%99%E3%81%BE%E3%81%97%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%A8%E3%81%AF%EF%BC%9F%E7%A8%AE%E9%A1%9E%E3%82%84%E5%8A%B9%E6%9E%9C%E7%9A%84%E3%81%AA%E5%AF%BE%E7%AD%96%E6%96%B9%E6%B3%95%E3%82%92%E8%A7%A3%E8%AA%AC%EF%BC%81\n&#038;tw_p=tweetbutton\" onclick=\"window.open(this.href, 'tweetwindow', 'width=550, height=450,personalbar=0,toolbar=0,scrollbars=1,resizable=1'); return false;\n\" rel=\"noopener\">\n<span class=\"sns_btn__text\">\u30dd\u30b9\u30c8<\/span><\/a><\/li>\n<li class=\"sns_btn__li facebook\"><a class=\"sns_btn__link\" \nhref=\"\/\/www.facebook.com\/sharer.php?src=bm&#038;u=\nhttps%3A%2F%2Fwww.seraku.co.jp%2Fcolumns%2Fmanagedservice%2Fmanagedservice-01%2Fwhatis-spoofedemail%2F\n&#038;t=\n%E3%81%AA%E3%82%8A%E3%81%99%E3%81%BE%E3%81%97%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%A8%E3%81%AF%EF%BC%9F%E7%A8%AE%E9%A1%9E%E3%82%84%E5%8A%B9%E6%9E%9C%E7%9A%84%E3%81%AA%E5%AF%BE%E7%AD%96%E6%96%B9%E6%B3%95%E3%82%92%E8%A7%A3%E8%AA%AC%EF%BC%81\n\" onclick=\"javascript:window.open(this.href, '', 'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=300,width=600');return false;\n\">\n<span class=\"sns_btn__text\">\u30b7\u30a7\u30a2<\/span><\/a><\/li>\n<li class=\"sns_btn__li hatebu\"><a class=\"sns_btn__link\" target=\"_blank\" href=\"http:\/\/b.hatena.ne.jp\/add?mode=confirm&#038;url=\nhttps%3A%2F%2Fwww.seraku.co.jp%2Fcolumns%2Fmanagedservice%2Fmanagedservice-01%2Fwhatis-spoofedemail%2F\n&#038;title=\n%E3%81%AA%E3%82%8A%E3%81%99%E3%81%BE%E3%81%97%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%A8%E3%81%AF%EF%BC%9F%E7%A8%AE%E9%A1%9E%E3%82%84%E5%8A%B9%E6%9E%9C%E7%9A%84%E3%81%AA%E5%AF%BE%E7%AD%96%E6%96%B9%E6%B3%95%E3%82%92%E8%A7%A3%E8%AA%AC%EF%BC%81\n\" onclick=\"window.open(this.href, 'HBwindow', 'width=600, height=400, menubar=no, toolbar=no, scrollbars=yes'); return false;\n\" rel=\"noopener\">\n<span class=\"sns_btn__text\">\u306f\u3066\u30d6<\/span><\/a><\/li>\n<li class=\"sns_btn__li line\"><a class=\"sns_btn__link\" target=\"_blank\" href=\"\/\/line.me\/R\/msg\/text\/?\n%E3%81%AA%E3%82%8A%E3%81%99%E3%81%BE%E3%81%97%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%A8%E3%81%AF%EF%BC%9F%E7%A8%AE%E9%A1%9E%E3%82%84%E5%8A%B9%E6%9E%9C%E7%9A%84%E3%81%AA%E5%AF%BE%E7%AD%96%E6%96%B9%E6%B3%95%E3%82%92%E8%A7%A3%E8%AA%AC%EF%BC%81\n%0D%0A\nhttps%3A%2F%2Fwww.seraku.co.jp%2Fcolumns%2Fmanagedservice%2Fmanagedservice-01%2Fwhatis-spoofedemail%2F\n\" rel=\"noopener\">\n<span class=\"sns_btn__text\">\u9001\u308b<\/span><\/a><\/li>\n<li class=\"sns_btn__li lindein\"><a class=\"sns_btn__link\" \nhref=\"http:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=\nhttps%3A%2F%2Fwww.seraku.co.jp%2Fcolumns%2Fmanagedservice%2Fmanagedservice-01%2Fwhatis-spoofedemail%2F\n&#038;title=\n%E3%81%AA%E3%82%8A%E3%81%99%E3%81%BE%E3%81%97%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%A8%E3%81%AF%EF%BC%9F%E7%A8%AE%E9%A1%9E%E3%82%84%E5%8A%B9%E6%9E%9C%E7%9A%84%E3%81%AA%E5%AF%BE%E7%AD%96%E6%96%B9%E6%B3%95%E3%82%92%E8%A7%A3%E8%AA%AC%EF%BC%81\n\" onclick=\"window.open(this.href, 'linkedinwindow', 'width=550, height=350, menubar=no, toolbar=no, scrollbars=yes'); return false;\n\">\n<span class=\"sns_btn__text\">\u5171\u6709\u3059\u308b<\/span><\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\u8a18\u4e8b<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-4\">\n<div class=\"wp-block-column is-layout-flow\">\n <div>\n  <a class=\"card-link longcard-link\" href=\"https:\/\/www.seraku.co.jp\/columns\/managedservice\/managedservice-01\/whatis-ransomware\/\" title=\"\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u3082\u3057\u611f\u67d3\u3057\u305f\u3089\u3069\u3046\u3059\u308b\uff1f\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac\" target=\"_blank\" rel=\"noopener\">\n  <span class=\"longcard-img\"><img src='https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2024\/11\/what-ransomware-300x187.webp' alt='\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u3082\u3057\u611f\u67d3\u3057\u305f\u3089\u3069\u3046\u3059\u308b\uff1f\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac'\/><\/span>\n  <span class=\"blogcard-content blogcard-text\">\n  <span class=\"blogcard-title\">\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u3082\u3057\u611f\u67d3\u3057\u305f\u3089\u3069\u3046\u3059\u308b\uff1f\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac <\/span>\n  <span class=\"blog-card-excerpt-long\">\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e2d\u3067\u6700\u3082\u3084\u3063\u304b\u3044\u3067\u5bfe\u7b56\u3082\u96e3\u3057\u3044\u3068\u8a00\u308f\u308c\u308b\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3002\u8033\u306b\u3057\u305f\u3053\u3068\u306f\u3042\u3063\u3066\u3082\u305d\u306e\u624b\u53e3\u3084\u76ee\u7684\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u3044\u308b\u65b9\u306f\u5c11\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u672c\u8a18\u4e8b\u3067\u306f\u30e9.....<\/span>\n  <\/span><\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow\">\n <div>\n  <a class=\"card-link longcard-link\" href=\"https:\/\/www.seraku.co.jp\/columns\/managedservice\/managedservice-01\/whatis-malware\/\" title=\"\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u7a2e\u985e\u304b\u3089\u7d4c\u8def\u3001\u611f\u67d3\u5bfe\u7b56\u307e\u3067\u5e45\u5e83\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\" target=\"_blank\" rel=\"noopener\">\n  <span class=\"longcard-img\"><img src='https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2024\/11\/what-malware-300x187.webp' alt='\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u7a2e\u985e\u304b\u3089\u7d4c\u8def\u3001\u611f\u67d3\u5bfe\u7b56\u307e\u3067\u5e45\u5e83\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059'\/><\/span>\n  <span class=\"blogcard-content blogcard-text\">\n  <span class=\"blogcard-title\">\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u7a2e\u985e\u304b\u3089\u7d4c\u8def\u3001\u611f\u67d3\u5bfe\u7b56\u307e\u3067\u5e45\u5e83\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059 <\/span>\n  <span class=\"blog-card-excerpt-long\">\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306f\u3001\u4eca\u3084\u591a\u304f\u306e\u4f01\u696d\u3078\u88ab\u5bb3\u3092\u4e0e\u3048\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30a6\u30a4\u30eb\u30b9\u3068\u306e\u9055\u3044\u3068\u306f\uff1f\u672c\u8a18\u4e8b\u3067\u306f\u30de\u30eb.....<\/span>\n  <\/span><\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow\">\n <div>\n  <a class=\"card-link longcard-link\" href=\"https:\/\/www.seraku.co.jp\/columns\/managedservice\/managedservice-02\/areyour-security-measuresperfect\/\" title=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u4e07\u5168\u3067\u3059\u304b\uff1f\u7d44\u7e54\u306e\u8a2d\u7f6e\u3067\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\" target=\"_blank\" rel=\"noopener\">\n  <span class=\"longcard-img\"><img src='https:\/\/www.seraku.co.jp\/columns\/wp-content\/uploads\/2024\/11\/security_measures-foolproof-300x188.webp' alt='\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u4e07\u5168\u3067\u3059\u304b\uff1f\u7d44\u7e54\u306e\u8a2d\u7f6e\u3067\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b'\/><\/span>\n  <span class=\"blogcard-content blogcard-text\">\n  <span class=\"blogcard-title\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u4e07\u5168\u3067\u3059\u304b\uff1f\u7d44\u7e54\u306e\u8a2d\u7f6e\u3067\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b <\/span>\n  <span class=\"blog-card-excerpt-long\">\u30c7\u30b8\u30bf\u30eb\u5316\u304c\u9032\u307f\u591a\u304f\u306e\u4f01\u696d\u304c\u3055\u307e\u3056\u307e\u306a\u6069\u6075\u306b\u3042\u305a\u304b\u3063\u3066\u3044\u308b\u4e00\u65b9\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3082\u9ad8\u304f\u306a\u3063\u3066\u3044\u308b\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u4f01\u696d\u306b\u3068\u3063\u3066\u5fc5\u9808\u3067\u3042\u308a\u3001\u5c02\u9580\u306e\u7d44\u7e54\u3084\u8cac\u4efb\u8005.....<\/span>\n  <\/span><\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u3092\u898b\u305f\u76ee\u3067\u898b\u5206\u3051\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u96e3\u3057\u3044\u3082\u306e\u3067\u3059\u3002\u8fd1\u5e74\u306f\u624b\u53e3\u3082\u5de7\u5999\u306b\u306a\u308a\u3001\u8a50\u6b3a\u3084\u500b\u4eba\u60c5\u5831\u3092\u9a19\u3057\u53d6\u308b\u3088\u3046\u306a\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u3088\u308b\u88ab\u5bb3\u304c\u5f8c\u3092\u7d76\u3061\u307e\u305b\u3093\u3002\u672c\u8a18\u4e8b\u3067\u306f\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u306e\u624b\u53e3\u3068\u5f15\u3063\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u7406\u7531\u3001\u5bfe\u7b56\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":4893,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[144,4,20,1],"tags":[92,91],"acf":[],"_links":{"self":[{"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/posts\/1969"}],"collection":[{"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/comments?post=1969"}],"version-history":[{"count":16,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/posts\/1969\/revisions"}],"predecessor-version":[{"id":5409,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/posts\/1969\/revisions\/5409"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/media\/4893"}],"wp:attachment":[{"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/media?parent=1969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/categories?post=1969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.seraku.co.jp\/columns\/wp-json\/wp\/v2\/tags?post=1969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}