Udemy\u60c5\u5831\u6f0f\u6d29 2026\u5e744\u6708 \u2015 140\u4e07\u4ef6\u6d41\u51fa\u3001\u4eca\u3059\u3050\u3084\u308b\u3053\u30685\u30b9\u30c6\u30c3\u30d7\uff5c\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e<\/title>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap\" rel=\"stylesheet\"\/>\n<style>\n*, *::before, *::after { box-sizing: border-box; }\nbody {\n background-color: #f0f4f8;\n margin: 0; padding: 0;\n font-family: \"Noto Sans JP\", sans-serif;\n -webkit-font-smoothing: antialiased;\n color: #1e293b;\n}\n\n\/* ==============================\n \u30e1\u30a4\u30f3\u30b3\u30f3\u30c6\u30ca\n ============================== *\/\n.web-container {\n background-color: #ffffff;\n max-width: 900px;\n margin: 0 auto;\n box-shadow: 0 4px 6px -1px rgba(0,0,0,0.08);\n min-height: 100vh;\n overflow: hidden;\n}\n\n\/* ==============================\n \u30d2\u30fc\u30ed\u30fc\u30d0\u30ca\u30fc\uff08\u7d3a\u00d7\u30b7\u30a2\u30f3\uff09\n ============================== *\/\n.hero-banner {\n background: linear-gradient(135deg, #0a1628 0%, #0d2b4e 50%, #0a4a6e 100%);\n padding: 40px 40px 36px;\n position: relative;\n overflow: hidden;\n}\n.hero-banner::before {\n content: \"\";\n position: absolute;\n top: -60px; right: -60px;\n width: 300px; height: 300px;\n border-radius: 50%;\n background: radial-gradient(circle, rgba(0,188,212,0.18) 0%, transparent 70%);\n}\n.hero-banner::after {\n content: \"\";\n position: absolute;\n bottom: -40px; left: -40px;\n width: 200px; height: 200px;\n border-radius: 50%;\n background: radial-gradient(circle, rgba(0,188,212,0.10) 0%, transparent 70%);\n}\n.hero-scoop-badge {\n display: inline-flex;\n align-items: center;\n gap: 6px;\n background: #ef4444;\n color: #fff;\n font-size: 0.78rem;\n font-weight: 900;\n padding: 4px 14px;\n border-radius: 20px;\n letter-spacing: 0.06em;\n margin-bottom: 14px;\n animation: pulse-red 2s ease-in-out infinite;\n}\n@keyframes pulse-red {\n 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }\n 50% { opacity: 0.9; box-shadow: 0 0 0 6px rgba(239,68,68,0); }\n}\n.hero-date {\n font-size: 0.8rem;\n color: #7dd3f8;\n margin-bottom: 10px;\n letter-spacing: 0.05em;\n}\n.hero-title {\n font-size: 1.9rem;\n font-weight: 900;\n color: #ffffff;\n line-height: 1.4;\n margin: 0 0 14px 0;\n}\n.hero-title .accent {\n color: #22d3ee;\n}\n.hero-subtitle {\n font-size: 0.95rem;\n color: #93c5fd;\n line-height: 1.7;\n margin: 0;\n}\n\n\/* ==============================\n \u672c\u6587\u30a8\u30ea\u30a2\n ============================== *\/\n.risk-report {\n padding: 36px 40px 48px;\n line-height: 1.85;\n color: #334155;\n}\n.risk-report h2 {\n font-size: 1.5rem;\n font-weight: 900;\n color: #0d2b4e;\n border-left: 5px solid #00bcd4;\n padding-left: 12px;\n margin: 2.5em 0 1em 0;\n line-height: 1.4;\n}\n.risk-report h3 {\n font-size: 1.15rem;\n font-weight: 700;\n color: #0d2b4e;\n border-left: 3px solid #7dd3f8;\n padding-left: 10px;\n margin: 2em 0 0.8em 0;\n}\n.risk-report p { margin-bottom: 1.4em; }\n.risk-report ul, .risk-report ol { margin-left: 1.2em; padding-left: 0; }\n.risk-report li { margin-bottom: 0.5em; line-height: 1.7; }\n.risk-report strong { color: #0a4a6e; font-weight: 700; }\n.risk-report a { color: #0891b2; }\n.note-text {\n font-size: 0.82rem;\n color: #94a3b8;\n text-align: right;\n margin: 0 0 1em 0;\n}\n\n\/* ==============================\n \u7dca\u6025\u8b66\u544a\u30dc\u30c3\u30af\u30b9\n ============================== *\/\n.alert-box {\n background: #fef2f2;\n border-left: 5px solid #dc2626;\n border-radius: 0 6px 6px 0;\n padding: 20px 24px;\n margin: 1.8em 0;\n}\n.alert-box .alert-title {\n font-size: 1.05rem;\n font-weight: 900;\n color: #991b1b;\n margin: 0 0 8px 0;\n}\n.alert-box p { margin: 0; color: #7f1d1d; font-size: 0.95rem; line-height: 1.7; }\n\n\/* ==============================\n \u60c5\u5831\u30dc\u30c3\u30af\u30b9\uff08\u9752\u7cfb\uff09\n ============================== *\/\n.info-box {\n background: #eff6ff;\n border-left: 5px solid #3b82f6;\n border-radius: 0 6px 6px 0;\n padding: 20px 24px;\n margin: 1.8em 0;\n}\n.info-box .info-title {\n font-size: 1rem;\n font-weight: 700;\n color: #1e40af;\n margin: 0 0 8px 0;\n}\n.info-box p, .info-box li { color: #1e3a8a; font-size: 0.93rem; line-height: 1.7; }\n\n\/* ==============================\n \u30b7\u30a2\u30f3\u5f37\u8abf\u30dc\u30c3\u30af\u30b9\n ============================== *\/\n.cyan-box {\n background: linear-gradient(135deg, #ecfeff 0%, #e0f7fa 100%);\n border: 1px solid #a5f3fc;\n border-left: 5px solid #00bcd4;\n border-radius: 0 8px 8px 0;\n padding: 20px 24px;\n margin: 1.8em 0;\n}\n.cyan-box .cyan-title {\n font-size: 1rem;\n font-weight: 900;\n color: #0e7490;\n margin: 0 0 8px 0;\n}\n.cyan-box p, .cyan-box li { color: #164e63; font-size: 0.93rem; line-height: 1.7; }\n\n\/* ==============================\n \u8b66\u544a\u30dc\u30c3\u30af\u30b9\uff08\u9ec4\uff09\n ============================== *\/\n.warning-box {\n background: #fffbeb;\n border-left: 5px solid #f59e0b;\n border-radius: 0 6px 6px 0;\n padding: 20px 24px;\n margin: 1.8em 0;\n}\n.warning-box p { margin: 0; color: #78350f; font-size: 0.93rem; line-height: 1.7; }\n\n\/* ==============================\n \u7d71\u8a08\u30ab\u30fc\u30c9\n ============================== *\/\n.stat-row {\n display: flex; gap: 14px; flex-wrap: wrap;\n margin: 1.8em 0;\n}\n.stat-card {\n flex: 1 1 150px;\n background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);\n border: 1px solid #bae6fd;\n border-top: 3px solid #00bcd4;\n border-radius: 8px;\n padding: 18px 16px;\n text-align: center;\n}\n.stat-card .num {\n font-size: 1.9rem;\n font-weight: 900;\n color: #0a4a6e;\n line-height: 1.1;\n}\n.stat-card .unit {\n font-size: 0.78rem;\n color: #0284c7;\n margin-top: 4px;\n font-weight: 700;\n}\n.stat-card .label {\n font-size: 0.75rem;\n color: #475569;\n margin-top: 6px;\n line-height: 1.4;\n}\n\n\/* ==============================\n \u6f0f\u6d29\u30c7\u30fc\u30bf\u8868\n ============================== *\/\n.breach-table {\n width: 100%;\n border-collapse: collapse;\n margin: 1.4em 0;\n font-size: 0.9rem;\n}\n.breach-table th {\n background: #0d2b4e;\n color: #fff;\n padding: 10px 14px;\n text-align: left;\n font-weight: 700;\n}\n.breach-table td {\n padding: 10px 14px;\n border-bottom: 1px solid #e2e8f0;\n vertical-align: middle;\n color: #334155;\n}\n.breach-table tr:nth-child(even) td { background: #f8fafc; }\n.breach-table .risk-high { color: #dc2626; font-weight: 700; }\n.breach-table .risk-mid { color: #d97706; font-weight: 700; }\n.breach-table .risk-low { color: #059669; font-weight: 700; }\n.tag-leaked {\n display: inline-block;\n background: #fee2e2;\n color: #dc2626;\n font-size: 0.72rem;\n font-weight: 700;\n padding: 2px 8px;\n border-radius: 20px;\n white-space: nowrap;\n}\n.tag-safe {\n display: inline-block;\n background: #dcfce7;\n color: #16a34a;\n font-size: 0.72rem;\n font-weight: 700;\n padding: 2px 8px;\n border-radius: 20px;\n white-space: nowrap;\n}\n\n\/* ==============================\n 5\u30b9\u30c6\u30c3\u30d7\u5bfe\u5fdc\u30dc\u30c3\u30af\u30b9\n ============================== *\/\n.step-list { margin: 1em 0; list-style: none; padding: 0; }\n.step-item {\n display: flex;\n align-items: flex-start;\n gap: 16px;\n padding: 18px 0;\n border-bottom: 1px solid #e2e8f0;\n}\n.step-item:last-child { border-bottom: none; }\n.step-num {\n flex-shrink: 0;\n width: 40px; height: 40px;\n background: linear-gradient(135deg, #0d2b4e, #0a4a6e);\n color: #22d3ee;\n font-size: 1rem;\n font-weight: 900;\n border-radius: 50%;\n display: flex;\n align-items: center;\n justify-content: center;\n margin-top: 2px;\n}\n.step-content h4 {\n font-size: 1rem;\n font-weight: 900;\n color: #0d2b4e;\n margin: 0 0 6px 0;\n}\n.step-content p {\n font-size: 0.9rem;\n color: #475569;\n margin: 0;\n line-height: 1.7;\n}\n\n\/* ==============================\n \u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\n ============================== *\/\n.timeline { margin: 1.4em 0; list-style: none; padding: 0; }\n.timeline-item {\n display: flex;\n gap: 16px;\n padding: 12px 0;\n border-bottom: 1px dotted #cbd5e1;\n}\n.timeline-item:last-child { border-bottom: none; }\n.timeline-date {\n flex-shrink: 0;\n font-size: 0.82rem;\n font-weight: 700;\n color: #0891b2;\n white-space: nowrap;\n min-width: 90px;\n padding-top: 2px;\n}\n.timeline-body {\n font-size: 0.9rem;\n color: #334155;\n line-height: 1.7;\n}\n\n\/* ==============================\n QA\u30dc\u30c3\u30af\u30b9\n ============================== *\/\n.qa-box {\n background: #f8fafc;\n border: 1px solid #e2e8f0;\n border-radius: 8px;\n padding: 22px 26px;\n margin: 1.8em 0;\n}\n.qa-q {\n font-size: 0.95rem;\n font-weight: 900;\n color: #0d2b4e;\n background: #eff6ff;\n border-left: 4px solid #3b82f6;\n padding: 10px 14px;\n border-radius: 0 6px 6px 0;\n margin-bottom: 14px;\n}\n.qa-a {\n font-size: 0.9rem;\n color: #334155;\n line-height: 1.8;\n border-left: 4px solid #00bcd4;\n padding: 10px 14px;\n border-radius: 0 6px 6px 0;\n background: #ecfeff;\n}\n\n\/* ==============================\n \u307e\u3068\u3081\u30dc\u30c3\u30af\u30b9\n ============================== *\/\n.summary-box {\n background: linear-gradient(135deg, #0a1628 0%, #0d2b4e 60%, #0a4a6e 100%);\n border-radius: 10px;\n padding: 28px 32px;\n margin: 2.5em 0;\n color: #fff;\n position: relative;\n overflow: hidden;\n}\n.summary-box::before {\n content: \"\";\n position: absolute;\n top: -40px; right: -40px;\n width: 200px; height: 200px;\n border-radius: 50%;\n background: radial-gradient(circle, rgba(0,188,212,0.15) 0%, transparent 70%);\n}\n.summary-box h3 {\n font-size: 1.2rem;\n font-weight: 900;\n color: #22d3ee;\n margin: 0 0 14px 0;\n border: none; padding: 0;\n}\n.summary-box ul {\n margin: 0; padding-left: 1.2em;\n list-style: none;\n}\n.summary-box ul li {\n padding: 5px 0;\n color: #e0f2fe;\n font-size: 0.93rem;\n line-height: 1.7;\n}\n.summary-box ul li::before {\n content: \"\u2713 \";\n color: #22d3ee;\n font-weight: 700;\n}\n\n\/* ==============================\n \u30b7\u30ea\u30fc\u30ba\u30ea\u30f3\u30af\n ============================== *\/\n.series-nav {\n background: #f0f9ff;\n border: 1px solid #bae6fd;\n border-radius: 8px;\n padding: 20px 24px;\n margin: 2em 0;\n}\n.series-nav h3 {\n font-size: 0.9rem;\n font-weight: 700;\n color: #0369a1;\n margin: 0 0 12px 0;\n border: none; padding: 0;\n letter-spacing: 0.05em;\n}\n.series-nav ul {\n list-style: none; margin: 0; padding: 0;\n display: flex; flex-direction: column; gap: 8px;\n}\n.series-nav li {\n font-size: 0.88rem;\n padding: 8px 12px;\n background: #fff;\n border-radius: 6px;\n border: 1px solid #e0f2fe;\n}\n.series-nav a {\n color: #0369a1;\n text-decoration: none;\n font-weight: 500;\n}\n.series-nav a:hover { text-decoration: underline; }\n\n\/* ==============================\n \u53c2\u8003\u60c5\u5831\n ============================== *\/\n.ref-list { list-style: none; margin: 0; padding: 0; }\n.ref-list li {\n padding: 7px 0;\n border-bottom: 1px solid #e2e8f0;\n font-size: 0.85rem;\n color: #475569;\n line-height: 1.6;\n}\n.ref-list li:last-child { border-bottom: none; }\n.ref-list a { color: #0891b2; word-break: break-all; }\n\n\/* ==============================\n \u30d5\u30c3\u30bf\u30fc\n ============================== *\/\n.footer-block {\n background: #0a1628;\n padding: 28px 40px;\n color: #94a3b8;\n font-size: 0.85rem;\n line-height: 2.0;\n}\n.footer-block strong {\n display: block;\n font-size: 0.95rem;\n color: #e0f2fe;\n margin-bottom: 8px;\n}\n.footer-block a { color: #22d3ee; }\n\n\/* ==============================\n \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\n ============================== *\/\n@media (max-width: 600px) {\n .hero-banner { padding: 28px 20px 24px; }\n .hero-title { font-size: 1.4rem; }\n .risk-report { padding: 24px 20px 36px; }\n .stat-row { gap: 10px; }\n .stat-card .num { font-size: 1.5rem; }\n .footer-block { padding: 24px 20px; }\n}\n<\/style>\n<\/head>\n<body>\n<div class=\"web-container\">\n\n \n <div class=\"hero-banner\">\n <div class=\"hero-scoop-badge\">\ud83d\udea8 \u7dca\u6025\u7279\u5831<\/div>\n <div class=\"hero-date\">2026\u5e744\u670828\u65e5 \uff5c \u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e<\/div>\n <h1 class=\"hero-title\">Udemy\u3067<span class=\"accent\">140\u4e07\u4ef6<\/span>\u306e<br>\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f\u3057\u307e\u3057\u305f<\/h1>\n <p class=\"hero-subtitle\">\u300c\u5229\u7528\u3057\u3066\u3044\u308bUdemy\u304c\u6f0f\u6d29\u3057\u3066\u3044\u307e\u3059\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\u300d<br>\u304a\u5ba2\u69d8\u304b\u3089\u306e\u3054\u8cea\u554f\u3092\u3082\u3068\u306b\u3001\u4eca\u3059\u3050\u53d6\u308b\u3079\u304d\u5bfe\u5fdc\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n <\/div>\n\n <div class=\"risk-report\">\n\n <p class=\"note-text\">\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e \uff0f 2026\u5e744\u670828\u65e5\u767a\u884c<\/p>\n\n \n <div class=\"alert-box\">\n <div class=\"alert-title\">\u26a0\ufe0f \u4f55\u304c\u8d77\u304d\u305f\u304b\uff08\u4e8b\u4ef6\u306e\u6982\u8981\uff09<\/div>\n <p>2026\u5e744\u670824\u65e5\u3001\u60aa\u540d\u9ad8\u3044\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u30b0\u30eb\u30fc\u30d7\u300cShinyHunters\u300d\u304c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<strong>Udemy<\/strong>\u304b\u3089<strong>140\u4e07\u4ef6<\/strong>\u306e\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u305f\u3068\u4e3b\u5f35\u3057\u3001\u300c\u652f\u6255\u3048\u3002\u3055\u3082\u306a\u304f\u3070\u516c\u958b\u3059\u308b\u300d\u3068\u8105\u8feb\u3057\u307e\u3057\u305f\u3002Udemy\u304c\u8eab\u4ee3\u91d1\u306e\u652f\u6255\u3044\u3092\u62d2\u5426\u3057\u305f\u305f\u3081\u3001<strong>4\u670827\u65e5\u306b\u30c7\u30fc\u30bf\u304c\u516c\u958b<\/strong>\u3055\u308c\u307e\u3057\u305f\u3002Have I Been Pwned\uff08HIBP\uff09\u304c\u30c7\u30fc\u30bf\u3092\u691c\u8a3c\u30fb\u767b\u9332\u6e08\u307f\u3067\u3059\u3002<\/p>\n <\/div>\n\n \n <div class=\"stat-row\">\n <div class=\"stat-card\">\n <div class=\"num\">140\u4e07<\/div>\n <div class=\"unit\">\u4ef6\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u6d41\u51fa<\/div>\n <div class=\"label\">HIBP\u78ba\u8a8d\u6e08\u307f\uff082026\u5e744\u670826\u65e5\u767b\u9332\uff09<\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"num\">4\/24<\/div>\n <div class=\"unit\">\u2192 4\/27\u306e3\u65e5\u9593<\/div>\n <div class=\"label\">\u8105\u8feb\u304b\u3089\u516c\u958b\u307e\u3067<\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"num\">56%<\/div>\n <div class=\"unit\">\u304c\u904e\u53bb\u306e\u5225\u6f0f\u6d29\u306b\u3082\u767b\u5834<\/div>\n <div class=\"label\">HIBP\u8abf\u67fb\uff08\u91cd\u8907\u6f0f\u6d29\u30ea\u30b9\u30af\u5927\uff09<\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"num\">7700\u4e07<\/div>\n <div class=\"unit\">\u4eba\u898f\u6a21\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/div>\n <div class=\"label\">Udemy\u5168\u30e6\u30fc\u30b6\u30fc\u6570\uff082024\u5e74\u63a8\u8a08\uff09<\/div>\n <\/div>\n <\/div>\n\n \n <h2>\u4e8b\u4ef6\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/h2>\n <ul class=\"timeline\">\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670824\u65e5<\/span>\n <span class=\"timeline-body\">ShinyHunters\u304c\u30c0\u30fc\u30af\u30a6\u30a7\u30d6\u4e0a\u306e\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u306b\u300cUdemy\u300d\u3092\u63b2\u8f09\u3002\u300c140\u4e07\u4ef6\u8d85\u306ePII\u304a\u3088\u3073\u793e\u5185\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u305f\u30024\u670827\u65e5\u307e\u3067\u306b\u652f\u6255\u3044\u304c\u306a\u3051\u308c\u3070\u516c\u958b\u3059\u308b\u300d\u3068\u8105\u8feb\u3002<\/span>\n <\/li>\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670826\u65e5<\/span>\n <span class=\"timeline-body\">Have I Been Pwned\uff08HIBP\uff09\u304cUdemy\u306e\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3002\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u81ea\u5206\u304c\u542b\u307e\u308c\u308b\u304b\u78ba\u8a8d\u3067\u304d\u308b\u72b6\u614b\u306b\u3002<\/span>\n <\/li>\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670827\u65e5<\/span>\n <span class=\"timeline-body\">Udemy\u304c\u4ea4\u6e09\u3092\u62d2\u5426\u3002ShinyHunters\u304c\u300c\u6211\u3005\u306e\u7533\u3057\u51fa\u3092\u7121\u8996\u3057\u305f\u300d\u3068\u3057\u3066\u30c7\u30fc\u30bf\u3092\u516c\u958b\u3002140\u4e07\u4ef6\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u30fb\u6c0f\u540d\u30fb\u4f4f\u6240\u30fb\u96fb\u8a71\u756a\u53f7\u30fb\u52e4\u52d9\u5148\u60c5\u5831\u30fb\u8b1b\u5e2b\u306e\u652f\u6255\u3044\u65b9\u6cd5\u304c\u6d41\u51fa\u3002<\/span>\n <\/li>\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670828\u65e5\u73fe\u5728<\/span>\n <span class=\"timeline-body\">Udemy\u306b\u3088\u308b\u516c\u5f0f\u767a\u8868\u30fb\u8b1d\u7f6a\u6587\u306f\u307e\u3060\u78ba\u8a8d\u3055\u308c\u3066\u3044\u306a\u3044\uff08\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\uff09\u3002\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\uff08\u65e5\u672c\u4ee3\u7406\u5e97\uff09\u304b\u3089\u306e\u516c\u5f0f\u901a\u77e5\u3082\u5f85\u6a5f\u4e2d\u3002<\/span>\n <\/li>\n <\/ul>\n\n \n <h2>\u6f0f\u6d29\u3057\u305f\u30c7\u30fc\u30bf\u306e\u5185\u5bb9\u3068\u4e8c\u6b21\u88ab\u5bb3\u30ea\u30b9\u30af<\/h2>\n\n <table class=\"breach-table\">\n <tr>\n <th>\u6f0f\u6d29\u3057\u305f\u30c7\u30fc\u30bf<\/th>\n <th>\u4e8c\u6b21\u88ab\u5bb3\u30ea\u30b9\u30af<\/th>\n <th>\u5371\u967a\u5ea6<\/th>\n <\/tr>\n <tr>\n <td>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n <td>\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306e\u9001\u4ed8\u5148\u3068\u3057\u3066\u60aa\u7528<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u6c0f\u540d<\/td>\n <td>\u306a\u308a\u3059\u307e\u3057\u30fb\u30bd\u30fc\u30b7\u30e3\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u4f4f\u6240\u30fb\u96fb\u8a71\u756a\u53f7<\/td>\n <td>SMS\u8a50\u6b3a\uff08\u30b9\u30df\u30c3\u30b7\u30f3\u30b0\uff09\u30fb\u96fb\u8a71\u8a50\u6b3a<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u52e4\u52d9\u5148\u30fb\u5f79\u8077\u60c5\u5831<\/td>\n <td>\u4f01\u696d\u3078\u306e\u6a19\u7684\u578b\u653b\u6483\u30fbBEC\uff08\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff09\u306e\u4e0b\u6e96\u5099<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u8b1b\u5e2b\u306e\u652f\u6255\u3044\u65b9\u6cd5<br>\uff08PayPal\u30fb\u53e3\u5ea7\u60c5\u5831\uff09<\/td>\n <td>\u91d1\u878d\u8a50\u6b3a\u30fb\u4e0d\u6b63\u9001\u91d1<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u30d1\u30b9\u30ef\u30fc\u30c9<\/td>\n <td>\u4eca\u56de\u306e\u6f0f\u6d29\u30c7\u30fc\u30bf\u306b\u306f<strong>\u542b\u307e\u308c\u3066\u3044\u306a\u3044<\/strong><\/td>\n <td class=\"risk-low\">\ud83d\udfe2 \u4eca\u56de\u306f\u975e\u5bfe\u8c61<\/td>\n <\/tr>\n <\/table>\n\n <div class=\"warning-box\">\n <p><strong>\u26a1 \u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6f0f\u308c\u3066\u3044\u306a\u3044\u304b\u3089\u5b89\u5fc3\u300d\u306f\u5371\u967a\u3067\u3059\u3002<\/strong><br>\n \u52e4\u52d9\u5148\u30fb\u6c0f\u540d\u30fb\u96fb\u8a71\u756a\u53f7\u304c\u63c3\u3048\u3070\u3001\u653b\u6483\u8005\u306f\u3042\u306a\u305f\u306e\u4f1a\u793e\u3068\u5f79\u8077\u3092\u7279\u5b9a\u3057\u3001\u7cbe\u5de7\u306a\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u300cUdemy\u30b5\u30dd\u30fc\u30c8\u304b\u3089\u8acb\u6c42\u306e\u304a\u77e5\u3089\u305b\u300d\u300cIT\u90e8\u9580\u304b\u3089\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8\u306e\u304a\u9858\u3044\u300d\u3068\u3044\u3063\u305f\u507d\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n <\/div>\n\n \n <h2>\u304a\u5ba2\u69d8\u304b\u3089\u306e\u3054\u8cea\u554f\u3068\u5f0a\u793e\u306e\u56de\u7b54<\/h2>\n\n <div class=\"qa-box\">\n <div class=\"qa-q\">Q\uff5cUdemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u4eca\u3059\u3050\u5909\u66f4\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/div>\n <div class=\"qa-a\"><strong>A\uff5c\u306f\u3044\u3002\u4eca\u3059\u3050\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><br>\n \u4eca\u56de\u306e\u6f0f\u6d29\u30c7\u30fc\u30bf\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001Udemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5225\u30b5\u30fc\u30d3\u30b9\u3067\u4f7f\u3044\u56de\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u901f\u3084\u304b\u306b\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u300c\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u30b9\u30bf\u30c3\u30d5\u30a3\u30f3\u30b0\u300d\u5bfe\u7b56\u3068\u3057\u3066\u91cd\u8981\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u904e\u53bb\u306b\u6d41\u51fa\u3057\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30b9\u30c8\u3092\u4f7f\u3044\u3001\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u8a66\u307f\u307e\u3059\u3002<br><br>\n \u305d\u306e\u4ed6\u306e\u5bfe\u5fdc\u306b\u3064\u3044\u3066\u306f\u3001<strong>\u30d9\u30cd\u30c3\u30bb\u306e\u6b63\u5f0f\u901a\u77e5\u30fb\u516c\u5f0f\u767a\u8868\u3092\u5f85\u3063\u3066\u884c\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/div>\n <\/div>\n\n \n <h2>\u4eca\u3059\u3050\u3084\u308b\u3053\u3068 \u2015 5\u3064\u306e\u5bfe\u5fdc\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n <ul class=\"step-list\">\n <li class=\"step-item\">\n <div class=\"step-num\">1<\/div>\n <div class=\"step-content\">\n <h4>Udemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u4eca\u3059\u3050\u5909\u66f4\u3059\u308b<\/h4>\n <p>\u30e1\u30fc\u30eb\u30fb\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u30fb\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30fbSNS\u306a\u3069\u3001Udemy\u3068\u540c\u3058\u307e\u305f\u306f\u4f3c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u3082\u306e\u306f<strong>\u3059\u3079\u3066\u5909\u66f4<\/strong>\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5909\u66f4\u5f8c\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\uff08Bitwarden\u7b49\uff09\u306b\u4fdd\u5b58\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u3054\u3068\u306b\u7570\u306a\u308b\u9577\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">2<\/div>\n <div class=\"step-content\">\n <h4>Have I Been Pwned \u3067\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b<\/h4>\n <p><a href=\"https:\/\/haveibeenpwned.com\" target=\"_blank\">haveibeenpwned.com<\/a> \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001Udemy\u306b\u767b\u9332\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300cUdemy\u300d\u3068\u8868\u793a\u3055\u308c\u308c\u3070\u6f0f\u6d29\u5bfe\u8c61\u3067\u3059\u3002\u7121\u6599\u3067\u78ba\u8a8d\u3067\u304d\u3001\u767b\u9332\u3059\u308b\u3068\u4eca\u5f8c\u306e\u6f0f\u6d29\u3082\u901a\u77e5\u3055\u308c\u307e\u3059\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">3<\/div>\n <div class=\"step-content\">\n <h4>Udemy\u306b\u5c4a\u304f\u30e1\u30fc\u30eb\u306e\u300c\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8b66\u6212\u30e2\u30fc\u30c9\u300d\u3092\u30aa\u30f3\u306b\u3059\u308b<\/h4>\n <p>\u4eca\u5f8c\u3001Udemy\u30fb\u30d9\u30cd\u30c3\u30bb\u30fbIT\u90e8\u9580\u3092\u88c5\u3063\u305f\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u524d\u306b\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3001Udemy\u306e\u30ed\u30b0\u30a4\u30f3\u306f\u5fc5\u305a <a href=\"https:\/\/www.udemy.com\" target=\"_blank\">www.udemy.com<\/a> \u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u7fd2\u6163\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30fc\u30eb\u5185\u306e\u30ea\u30f3\u30af\u306f\u4f7f\u308f\u306a\u3044\u3053\u3068\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">4<\/div>\n <div class=\"step-content\">\n <h4>\u5168\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u3092\u8a2d\u5b9a\u3059\u308b<\/h4>\n <p>\u4e07\u4e00\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6f0f\u6d29\u3057\u3066\u3082\u3001MFA\u304c\u3042\u308c\u3070\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u9632\u3052\u307e\u3059\u3002\u30e1\u30fc\u30eb\u30fb\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u30fb\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3059\u3079\u3066\u306b\u8a8d\u8a3c\u30a2\u30d7\u30ea\uff08Google Authenticator\u30fbMicrosoft Authenticator\uff09\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002SMS\u8a8d\u8a3c\u3088\u308a\u5b89\u5168\u3067\u3001\u8a2d\u5b9a\u306f5\u5206\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">5<\/div>\n <div class=\"step-content\">\n <h4>\u30d9\u30cd\u30c3\u30bb\u30fbUdemy\u306e\u516c\u5f0f\u767a\u8868\u3092\u5f85\u3061\u3001\u6307\u793a\u306b\u5f93\u3046<\/h4>\n <p>\u73fe\u6642\u70b9\u3067\u306fUdemy\u30fb\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u516c\u5f0f\u8b1d\u7f6a\u30fb\u5bfe\u5fdc\u6848\u5185\u304c\u307e\u3060\u51fa\u3066\u3044\u307e\u305b\u3093\u3002\u516c\u5f0f\u767a\u8868\u5f8c\u306b\u8ffd\u52a0\u306e\u5bfe\u5fdc\uff08\u30a2\u30ab\u30a6\u30f3\u30c8\u505c\u6b62\u30fb\u518d\u767a\u884c\u7b49\uff09\u304c\u6307\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u516c\u5f0f\u30b5\u30a4\u30c8\u4ee5\u5916\u306e\u300c\u5bfe\u5fdc\u6848\u5185\u300d\u3092\u540d\u4e57\u308b\u30e1\u30fc\u30eb\u3084SMS\u306b\u306f\u5fdc\u3058\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\n <\/div>\n <\/li>\n <\/ul>\n\n \n <h2>\u4f01\u696d\u62c5\u5f53\u8005\u306e\u65b9\u3078 \u2015 \u5f93\u696d\u54e1\u3078\u306e\u5468\u77e5\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n <div class=\"cyan-box\">\n <div class=\"cyan-title\">\ud83d\udce2 \u793e\u5185\u3078\u306e\u5171\u6709\u6587\u4f8b\uff08\u30b3\u30d4\u30fc\u3057\u3066\u3054\u5229\u7528\u304f\u3060\u3055\u3044\uff09<\/div>\n <p style=\"margin:0.6em 0 0; font-size:0.88rem; line-height:1.8;\">\n \u300cUdemy\u3067\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f\u3057\u307e\u3057\u305f\uff082026\u5e744\u670827\u65e5\u516c\u958b\uff09\u3002<br>\n \u2460Udemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4ed6\u30b5\u30fc\u30d3\u30b9\u3067\u4f7f\u3063\u3066\u3044\u308b\u65b9\u306f\u4eca\u3059\u3050\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br>\n \u2461Udemy\u3092\u540d\u4e57\u308b\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u306b\u306f\u8fd4\u4fe1\u30fb\u30af\u30ea\u30c3\u30af\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<br>\n \u2462\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b <a href=\"https:\/\/haveibeenpwned.com\" target=\"_blank\">haveibeenpwned.com<\/a> \u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br>\n \u8a73\u7d30\u306a\u5bfe\u5fdc\u306f\u4f1a\u793e\u304b\u3089\u306e\u6b63\u5f0f\u901a\u77e5\u3092\u304a\u5f85\u3061\u304f\u3060\u3055\u3044\u3002\u300d\n <\/p>\n <\/div>\n\n <div class=\"info-box\">\n <div class=\"info-title\">\ud83c\udfe2 Udemy Business\uff08\u4f01\u696d\u5951\u7d04\uff09\u3092\u3054\u5229\u7528\u306e\u5834\u5408<\/div>\n <ul style=\"margin-top:0.6em;\">\n <li>\u793e\u54e1\u306eUdemy\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\uff08\u30e1\u30fc\u30eb\u30fb\u6c0f\u540d\uff09\u304c\u30d9\u30cd\u30c3\u30bb\u7d4c\u7531\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n <li>\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u516c\u5f0f\u9023\u7d61\u3092\u5f85\u3061\u3001\u6307\u793a\u306b\u5f93\u3063\u3066\u5bfe\u5fdc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n <li>\u5951\u7d04\u7ba1\u7406\u8005\u306fUdemy Business\u306e\u7ba1\u7406\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u4e0d\u5be9\u306a\u30ed\u30b0\u30a4\u30f3\u5c65\u6b74\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/li>\n <li>\u5f93\u696d\u54e1\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30dd\u30ea\u30b7\u30fc\uff08\u4f7f\u3044\u56de\u3057\u7981\u6b62\u30fbMFA\u5fc5\u9808\uff09\u3092\u518d\u5468\u77e5\u3059\u308b\u6a5f\u4f1a\u3068\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n <\/ul>\n <\/div>\n\n \n <div class=\"summary-box\">\n <h3>\u2705 \u4eca\u56de\u306e\u30dd\u30a4\u30f3\u30c8\u307e\u3068\u3081<\/h3>\n <ul>\n <li>2026\u5e744\u670827\u65e5\u3001ShinyHunters\u304cUdemy\u304b\u3089140\u4e07\u4ef6\u306e\u30c7\u30fc\u30bf\u3092\u516c\u958b\uff08HIBP\u78ba\u8a8d\u6e08\u307f\uff09<\/li>\n <li>\u6f0f\u6d29\u30c7\u30fc\u30bf\u306f\u6c0f\u540d\u30fb\u30e1\u30fc\u30eb\u30fb\u4f4f\u6240\u30fb\u96fb\u8a71\u30fb\u52e4\u52d9\u5148\u30fb\u652f\u6255\u3044\u65b9\u6cd5\u3002<strong>\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u542b\u307e\u308c\u3066\u3044\u306a\u3044<\/strong><\/li>\n <li>\u305f\u3060\u3057\u300c\u4f7f\u3044\u56de\u3057\u300d\u304c\u3042\u308c\u3070\u5225\u306e\u6f0f\u6d29\u30ea\u30b9\u30c8\u304b\u3089\u653b\u6483\u3055\u308c\u308b\u53ef\u80fd\u6027\u3042\u308a \u2192 \u4eca\u3059\u3050\u5909\u66f4<\/li>\n <li>\u52e4\u52d9\u5148\u30fb\u5f79\u8077\u60c5\u5831\u304c\u6f0f\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4f01\u696d\u3092\u72d9\u3063\u305f\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u8b66\u6212<\/li>\n <li>\u30d9\u30cd\u30c3\u30bb\u30fbUdemy\u306e\u516c\u5f0f\u767a\u8868\u3092\u5f85\u3061\u3001\u305d\u308c\u307e\u3067\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u4ee5\u5916\u306e\u6848\u5185\u306b\u5f93\u308f\u306a\u3044<\/li>\n <li>\u3053\u306e\u6a5f\u4f1a\u306bMFA\u8a2d\u5b9a\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u5c0e\u5165\u3092\u5168\u793e\u5c55\u958b\u3059\u308b\u3053\u3068\u3092\u63a8\u5968<\/li>\n <\/ul>\n <\/div>\n\n \n <div class=\"series-nav\">\n <h3>\ud83d\udcda 4\u6708\u30b7\u30ea\u30fc\u30ba\u300c\u793e\u4f1a\u4eba1\u5e74\u76ee\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u672c\u300d\u3082\u5408\u308f\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044<\/h3>\n <ul>\n <li>\u7b2c1\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/01\/newsletter-cybersecurity-newemployee-why-targeted\/\">\u653b\u6483\u8005\u306f\u3042\u306a\u305f\u3092\u72d9\u3063\u3066\u3044\u308b \u2015 \u65b0\u5165\u793e\u54e1\u304c\u72d9\u308f\u308c\u308b\u7406\u7531<\/a><\/li>\n <li>\u7b2c2\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/08\/newsletter-cybersecurity-phishing-ai-email\/\">\u305d\u306e\u30e1\u30fc\u30eb\u3001\u672c\u7269\u3067\u3059\u304b\uff1f \u2015 \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30fb\u751f\u6210AI\u8a50\u6b3a\u306e\u898b\u5206\u3051\u65b9<\/a><\/li>\n <li>\u7b2c3\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/15\/newsletter-cybersecurity-mfa-password-guide\/\">\u30d1\u30b9\u30ef\u30fc\u30c9\u3068MFA\u3067\u5b88\u308b \u2015 \u8a8d\u8a3c\u5f37\u5316\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9<\/a><\/li>\n <li>\u7b2c4\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/22\/newsletter-cybersecurity-sns-privacy-guide\/\">SNS\u3067\u60c5\u5831\u3092\u5b88\u308b \u2015 \u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u7ba1\u7406\u3068\u904e\u5270\u5171\u6709\u30ea\u30b9\u30af<\/a><\/li>\n <\/ul>\n <\/div>\n\n \n <h2>\u53c2\u8003\u60c5\u5831\u30fb\u60c5\u5831\u6e90<\/h2>\n <ul class=\"ref-list\">\n <li>Cybernews\u300cUdemy faces extortion threat from ShinyHunters\u300d\uff082026\u5e744\u670824\u65e5\u30fb27\u65e5\u66f4\u65b0\uff09<br>\n <a href=\"https:\/\/cybernews.com\/security\/shinyhunters-claim-udemy-data-theft\/\" target=\"_blank\">https:\/\/cybernews.com\/security\/shinyhunters-claim-udemy-data-theft\/<\/a><\/li>\n <li>Have I Been Pwned\u300cUdemy Breach\u300d\uff082026\u5e744\u670826\u65e5\u767b\u9332 \u2015 \u6f0f\u6d29\u30c7\u30fc\u30bf\u9805\u76ee\u306e\u516c\u5f0f\u78ba\u8a8d\uff09<br>\n <a href=\"https:\/\/haveibeenpwned.com\/Breach\/Udemy\" target=\"_blank\">https:\/\/haveibeenpwned.com\/Breach\/Udemy<\/a><\/li>\n <li>eSecurity Planet\u300cShinyHunters Claims Udemy Data Breach of 1.4M Users\u300d\uff082026\u5e744\u6708\uff09<br>\n <a href=\"https:\/\/www.esecurityplanet.com\/threats\/shinyhunters-claims-udemy-data-breach-of-1-4m-users\/\" target=\"_blank\">https:\/\/www.esecurityplanet.com\/threats\/shinyhunters-claims-udemy-data-breach-of-1-4m-users\/<\/a><\/li>\n <li>IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\uff08\u7d44\u7e54\u30fb\u500b\u4eba\u5411\u3051\u8105\u5a01\u30e9\u30f3\u30ad\u30f3\u30b0\uff09<br>\n <a href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/10threats2026.html\" target=\"_blank\">https:\/\/www.ipa.go.jp\/security\/10threats\/10threats2026.html<\/a><\/li>\n <li>Have I Been Pwned\uff08\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u6f0f\u6d29\u30c1\u30a7\u30c3\u30af\uff09<br>\n <a href=\"https:\/\/haveibeenpwned.com\" target=\"_blank\">https:\/\/haveibeenpwned.com<\/a><\/li>\n <\/ul>\n\n <hr style=\"border:none; border-top:1px solid #e2e8f0; margin:2.5em 0;\"\/>\n <p class=\"note-text\">\u203b\u672c\u8a18\u4e8b\u306f2026\u5e744\u670828\u65e5\u6642\u70b9\u306e\u60c5\u5831\u3092\u3082\u3068\u306b\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<br>Udemy\u30fb\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u516c\u5f0f\u767a\u8868\u304c\u3042\u308a\u6b21\u7b2c\u3001\u5185\u5bb9\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n <\/div>\n\n \n <div class=\"footer-block\">\n <strong>\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e<\/strong>\n \u3012103-0026 \u6771\u4eac\u90fd\u4e2d\u592e\u533a\u65e5\u672c\u6a4b\u515c\u753a17\u756a1\u53f7 \u65e5\u672c\u6a4b\u30ed\u30a4\u30e4\u30eb\u30d7\u30e9\u30b6706<br>\n TEL\uff1a03-6823-8902\u3000E-mail\uff1a<a href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"543d3a323b143e3524353a792631273d383d313a37317a373b7a3e24\">[email protected]<\/a><br>\n Web\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\" target=\"_blank\">https:\/\/japan-resilience.co.jp\/cyber<\/a><br><br>\n \u203b\u672c\u8a18\u4e8b\u306fAI\u304c\u57f7\u7b46\u3057\u305f\u3082\u306e\u3092\u7b46\u8005\u304c\u76e3\u4fee\u3057\u3066\u3044\u307e\u3059\u30024\u670828\u65e5\u6642\u70b9\u3067\u306e\u60c5\u5831\u3067\u3059\u3002\n <\/div>\n\n<\/div>\n<script data-cfasync=\"false\" src=\"\/cdn-cgi\/scripts\/5c5dd728\/cloudflare-static\/email-decode.min.js\"><\/script><\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Udemy\u60c5\u5831\u6f0f\u6d29 2026\u5e744\u6708 \u2015 140\u4e07\u4ef6\u6d41\u51fa\u3001\u4eca\u3059\u3050\u3084\u308b\u3053\u30685\u30b9\u30c6\u30c3\u30d7\uff5c\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e \ud83d\udea8 \u7dca\u6025\u7279\u5831 2026\u5e744\u670828\u65e5 \uff5c \u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e Udemy\u3067140\u4e07\u4ef6\u306e\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f […]<\/p>\n","protected":false},"author":8,"featured_media":2605,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_memberships_contains_paid_content":false,"vkexunit_cta_each_option":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-3697","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-information"],"jetpack_featured_media_url":"https:\/\/japan-resilience.co.jp\/cyber\/wp-content\/uploads\/2024\/09\/d05706d3e2e4253a4c22ba1114d027b1.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/posts\/3697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/comments?post=3697"}],"version-history":[{"count":2,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/posts\/3697\/revisions"}],"predecessor-version":[{"id":3699,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/posts\/3697\/revisions\/3699"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/media\/2605"}],"wp:attachment":[{"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/media?parent=3697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/categories?post=3697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/japan-resilience.co.jp\/cyber\/wp-json\/wp\/v2\/tags?post=3697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":3697,"date":"2026-04-28T14:17:25","date_gmt":"2026-04-28T05:17:25","guid":{"rendered":"https:\/\/japan-resilience.co.jp\/cyber\/?p=3697"},"modified":"2026-04-28T14:22:14","modified_gmt":"2026-04-28T05:22:14","slug":"newsletter-cybersecurity-udemy-breach-april-2026","status":"publish","type":"post","link":"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/28\/newsletter-cybersecurity-udemy-breach-april-2026\/","title":{"rendered":"Udemy\u60c5\u5831\u6f0f\u6d29 2026\u5e744\u6708 \u2015 140\u4e07\u4ef6\u6d41\u51fa\u3001\u4eca\u3059\u3050\u3084\u308b\u3053\u30685\u30b9\u30c6\u30c3\u30d7"},"content":{"rendered":"\n\n\n\n\n\nUdemy\u60c5\u5831\u6f0f\u6d29 2026\u5e744\u6708 \u2015 140\u4e07\u4ef6\u6d41\u51fa\u3001\u4eca\u3059\u3050\u3084\u308b\u3053\u30685\u30b9\u30c6\u30c3\u30d7\uff5c\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e<\/title>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap\" rel=\"stylesheet\"\/>\n<style>\n*, *::before, *::after { box-sizing: border-box; }\nbody {\n background-color: #f0f4f8;\n margin: 0; padding: 0;\n font-family: \"Noto Sans JP\", sans-serif;\n -webkit-font-smoothing: antialiased;\n color: #1e293b;\n}\n\n\/* ==============================\n \u30e1\u30a4\u30f3\u30b3\u30f3\u30c6\u30ca\n ============================== *\/\n.web-container {\n background-color: #ffffff;\n max-width: 900px;\n margin: 0 auto;\n box-shadow: 0 4px 6px -1px rgba(0,0,0,0.08);\n min-height: 100vh;\n overflow: hidden;\n}\n\n\/* ==============================\n \u30d2\u30fc\u30ed\u30fc\u30d0\u30ca\u30fc\uff08\u7d3a\u00d7\u30b7\u30a2\u30f3\uff09\n ============================== *\/\n.hero-banner {\n background: linear-gradient(135deg, #0a1628 0%, #0d2b4e 50%, #0a4a6e 100%);\n padding: 40px 40px 36px;\n position: relative;\n overflow: hidden;\n}\n.hero-banner::before {\n content: \"\";\n position: absolute;\n top: -60px; right: -60px;\n width: 300px; height: 300px;\n border-radius: 50%;\n background: radial-gradient(circle, rgba(0,188,212,0.18) 0%, transparent 70%);\n}\n.hero-banner::after {\n content: \"\";\n position: absolute;\n bottom: -40px; left: -40px;\n width: 200px; height: 200px;\n border-radius: 50%;\n background: radial-gradient(circle, rgba(0,188,212,0.10) 0%, transparent 70%);\n}\n.hero-scoop-badge {\n display: inline-flex;\n align-items: center;\n gap: 6px;\n background: #ef4444;\n color: #fff;\n font-size: 0.78rem;\n font-weight: 900;\n padding: 4px 14px;\n border-radius: 20px;\n letter-spacing: 0.06em;\n margin-bottom: 14px;\n animation: pulse-red 2s ease-in-out infinite;\n}\n@keyframes pulse-red {\n 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }\n 50% { opacity: 0.9; box-shadow: 0 0 0 6px rgba(239,68,68,0); }\n}\n.hero-date {\n font-size: 0.8rem;\n color: #7dd3f8;\n margin-bottom: 10px;\n letter-spacing: 0.05em;\n}\n.hero-title {\n font-size: 1.9rem;\n font-weight: 900;\n color: #ffffff;\n line-height: 1.4;\n 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background: linear-gradient(135deg, #0a1628 0%, #0d2b4e 60%, #0a4a6e 100%);\n border-radius: 10px;\n padding: 28px 32px;\n margin: 2.5em 0;\n color: #fff;\n position: relative;\n overflow: hidden;\n}\n.summary-box::before {\n content: \"\";\n position: absolute;\n top: -40px; right: -40px;\n width: 200px; height: 200px;\n border-radius: 50%;\n background: radial-gradient(circle, rgba(0,188,212,0.15) 0%, transparent 70%);\n}\n.summary-box h3 {\n font-size: 1.2rem;\n font-weight: 900;\n color: #22d3ee;\n margin: 0 0 14px 0;\n border: none; padding: 0;\n}\n.summary-box ul {\n margin: 0; padding-left: 1.2em;\n list-style: none;\n}\n.summary-box ul li {\n padding: 5px 0;\n color: #e0f2fe;\n font-size: 0.93rem;\n line-height: 1.7;\n}\n.summary-box ul li::before {\n content: \"\u2713 \";\n color: #22d3ee;\n font-weight: 700;\n}\n\n\/* ==============================\n \u30b7\u30ea\u30fc\u30ba\u30ea\u30f3\u30af\n ============================== *\/\n.series-nav {\n background: #f0f9ff;\n border: 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word-break: break-all; }\n\n\/* ==============================\n \u30d5\u30c3\u30bf\u30fc\n ============================== *\/\n.footer-block {\n background: #0a1628;\n padding: 28px 40px;\n color: #94a3b8;\n font-size: 0.85rem;\n line-height: 2.0;\n}\n.footer-block strong {\n display: block;\n font-size: 0.95rem;\n color: #e0f2fe;\n margin-bottom: 8px;\n}\n.footer-block a { color: #22d3ee; }\n\n\/* ==============================\n \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\n ============================== *\/\n@media (max-width: 600px) {\n .hero-banner { padding: 28px 20px 24px; }\n .hero-title { font-size: 1.4rem; }\n .risk-report { padding: 24px 20px 36px; }\n .stat-row { gap: 10px; }\n .stat-card .num { font-size: 1.5rem; }\n .footer-block { padding: 24px 20px; }\n}\n<\/style>\n<\/head>\n<body>\n<div class=\"web-container\">\n\n \n <div class=\"hero-banner\">\n <div class=\"hero-scoop-badge\">\ud83d\udea8 \u7dca\u6025\u7279\u5831<\/div>\n <div class=\"hero-date\">2026\u5e744\u670828\u65e5 \uff5c \u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e<\/div>\n <h1 class=\"hero-title\">Udemy\u3067<span class=\"accent\">140\u4e07\u4ef6<\/span>\u306e<br>\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f\u3057\u307e\u3057\u305f<\/h1>\n <p class=\"hero-subtitle\">\u300c\u5229\u7528\u3057\u3066\u3044\u308bUdemy\u304c\u6f0f\u6d29\u3057\u3066\u3044\u307e\u3059\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\u300d<br>\u304a\u5ba2\u69d8\u304b\u3089\u306e\u3054\u8cea\u554f\u3092\u3082\u3068\u306b\u3001\u4eca\u3059\u3050\u53d6\u308b\u3079\u304d\u5bfe\u5fdc\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n <\/div>\n\n <div class=\"risk-report\">\n\n <p class=\"note-text\">\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e \uff0f 2026\u5e744\u670828\u65e5\u767a\u884c<\/p>\n\n \n <div class=\"alert-box\">\n <div class=\"alert-title\">\u26a0\ufe0f \u4f55\u304c\u8d77\u304d\u305f\u304b\uff08\u4e8b\u4ef6\u306e\u6982\u8981\uff09<\/div>\n <p>2026\u5e744\u670824\u65e5\u3001\u60aa\u540d\u9ad8\u3044\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u30b0\u30eb\u30fc\u30d7\u300cShinyHunters\u300d\u304c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<strong>Udemy<\/strong>\u304b\u3089<strong>140\u4e07\u4ef6<\/strong>\u306e\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u305f\u3068\u4e3b\u5f35\u3057\u3001\u300c\u652f\u6255\u3048\u3002\u3055\u3082\u306a\u304f\u3070\u516c\u958b\u3059\u308b\u300d\u3068\u8105\u8feb\u3057\u307e\u3057\u305f\u3002Udemy\u304c\u8eab\u4ee3\u91d1\u306e\u652f\u6255\u3044\u3092\u62d2\u5426\u3057\u305f\u305f\u3081\u3001<strong>4\u670827\u65e5\u306b\u30c7\u30fc\u30bf\u304c\u516c\u958b<\/strong>\u3055\u308c\u307e\u3057\u305f\u3002Have I Been Pwned\uff08HIBP\uff09\u304c\u30c7\u30fc\u30bf\u3092\u691c\u8a3c\u30fb\u767b\u9332\u6e08\u307f\u3067\u3059\u3002<\/p>\n <\/div>\n\n \n <div class=\"stat-row\">\n <div class=\"stat-card\">\n <div class=\"num\">140\u4e07<\/div>\n <div class=\"unit\">\u4ef6\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u6d41\u51fa<\/div>\n <div class=\"label\">HIBP\u78ba\u8a8d\u6e08\u307f\uff082026\u5e744\u670826\u65e5\u767b\u9332\uff09<\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"num\">4\/24<\/div>\n <div class=\"unit\">\u2192 4\/27\u306e3\u65e5\u9593<\/div>\n <div class=\"label\">\u8105\u8feb\u304b\u3089\u516c\u958b\u307e\u3067<\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"num\">56%<\/div>\n <div class=\"unit\">\u304c\u904e\u53bb\u306e\u5225\u6f0f\u6d29\u306b\u3082\u767b\u5834<\/div>\n <div class=\"label\">HIBP\u8abf\u67fb\uff08\u91cd\u8907\u6f0f\u6d29\u30ea\u30b9\u30af\u5927\uff09<\/div>\n <\/div>\n <div class=\"stat-card\">\n <div class=\"num\">7700\u4e07<\/div>\n <div class=\"unit\">\u4eba\u898f\u6a21\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/div>\n <div class=\"label\">Udemy\u5168\u30e6\u30fc\u30b6\u30fc\u6570\uff082024\u5e74\u63a8\u8a08\uff09<\/div>\n <\/div>\n <\/div>\n\n \n <h2>\u4e8b\u4ef6\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/h2>\n <ul class=\"timeline\">\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670824\u65e5<\/span>\n <span class=\"timeline-body\">ShinyHunters\u304c\u30c0\u30fc\u30af\u30a6\u30a7\u30d6\u4e0a\u306e\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u306b\u300cUdemy\u300d\u3092\u63b2\u8f09\u3002\u300c140\u4e07\u4ef6\u8d85\u306ePII\u304a\u3088\u3073\u793e\u5185\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u305f\u30024\u670827\u65e5\u307e\u3067\u306b\u652f\u6255\u3044\u304c\u306a\u3051\u308c\u3070\u516c\u958b\u3059\u308b\u300d\u3068\u8105\u8feb\u3002<\/span>\n <\/li>\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670826\u65e5<\/span>\n <span class=\"timeline-body\">Have I Been Pwned\uff08HIBP\uff09\u304cUdemy\u306e\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3002\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u81ea\u5206\u304c\u542b\u307e\u308c\u308b\u304b\u78ba\u8a8d\u3067\u304d\u308b\u72b6\u614b\u306b\u3002<\/span>\n <\/li>\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670827\u65e5<\/span>\n <span class=\"timeline-body\">Udemy\u304c\u4ea4\u6e09\u3092\u62d2\u5426\u3002ShinyHunters\u304c\u300c\u6211\u3005\u306e\u7533\u3057\u51fa\u3092\u7121\u8996\u3057\u305f\u300d\u3068\u3057\u3066\u30c7\u30fc\u30bf\u3092\u516c\u958b\u3002140\u4e07\u4ef6\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u30fb\u6c0f\u540d\u30fb\u4f4f\u6240\u30fb\u96fb\u8a71\u756a\u53f7\u30fb\u52e4\u52d9\u5148\u60c5\u5831\u30fb\u8b1b\u5e2b\u306e\u652f\u6255\u3044\u65b9\u6cd5\u304c\u6d41\u51fa\u3002<\/span>\n <\/li>\n <li class=\"timeline-item\">\n <span class=\"timeline-date\">4\u670828\u65e5\u73fe\u5728<\/span>\n <span class=\"timeline-body\">Udemy\u306b\u3088\u308b\u516c\u5f0f\u767a\u8868\u30fb\u8b1d\u7f6a\u6587\u306f\u307e\u3060\u78ba\u8a8d\u3055\u308c\u3066\u3044\u306a\u3044\uff08\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\uff09\u3002\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\uff08\u65e5\u672c\u4ee3\u7406\u5e97\uff09\u304b\u3089\u306e\u516c\u5f0f\u901a\u77e5\u3082\u5f85\u6a5f\u4e2d\u3002<\/span>\n <\/li>\n <\/ul>\n\n \n <h2>\u6f0f\u6d29\u3057\u305f\u30c7\u30fc\u30bf\u306e\u5185\u5bb9\u3068\u4e8c\u6b21\u88ab\u5bb3\u30ea\u30b9\u30af<\/h2>\n\n <table class=\"breach-table\">\n <tr>\n <th>\u6f0f\u6d29\u3057\u305f\u30c7\u30fc\u30bf<\/th>\n <th>\u4e8c\u6b21\u88ab\u5bb3\u30ea\u30b9\u30af<\/th>\n <th>\u5371\u967a\u5ea6<\/th>\n <\/tr>\n <tr>\n <td>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n <td>\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306e\u9001\u4ed8\u5148\u3068\u3057\u3066\u60aa\u7528<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u6c0f\u540d<\/td>\n <td>\u306a\u308a\u3059\u307e\u3057\u30fb\u30bd\u30fc\u30b7\u30e3\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u4f4f\u6240\u30fb\u96fb\u8a71\u756a\u53f7<\/td>\n <td>SMS\u8a50\u6b3a\uff08\u30b9\u30df\u30c3\u30b7\u30f3\u30b0\uff09\u30fb\u96fb\u8a71\u8a50\u6b3a<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u52e4\u52d9\u5148\u30fb\u5f79\u8077\u60c5\u5831<\/td>\n <td>\u4f01\u696d\u3078\u306e\u6a19\u7684\u578b\u653b\u6483\u30fbBEC\uff08\u30d3\u30b8\u30cd\u30b9\u30e1\u30fc\u30eb\u8a50\u6b3a\uff09\u306e\u4e0b\u6e96\u5099<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u8b1b\u5e2b\u306e\u652f\u6255\u3044\u65b9\u6cd5<br>\uff08PayPal\u30fb\u53e3\u5ea7\u60c5\u5831\uff09<\/td>\n <td>\u91d1\u878d\u8a50\u6b3a\u30fb\u4e0d\u6b63\u9001\u91d1<\/td>\n <td class=\"risk-high\">\ud83d\udd34 \u9ad8<\/td>\n <\/tr>\n <tr>\n <td>\u30d1\u30b9\u30ef\u30fc\u30c9<\/td>\n <td>\u4eca\u56de\u306e\u6f0f\u6d29\u30c7\u30fc\u30bf\u306b\u306f<strong>\u542b\u307e\u308c\u3066\u3044\u306a\u3044<\/strong><\/td>\n <td class=\"risk-low\">\ud83d\udfe2 \u4eca\u56de\u306f\u975e\u5bfe\u8c61<\/td>\n <\/tr>\n <\/table>\n\n <div class=\"warning-box\">\n <p><strong>\u26a1 \u300c\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6f0f\u308c\u3066\u3044\u306a\u3044\u304b\u3089\u5b89\u5fc3\u300d\u306f\u5371\u967a\u3067\u3059\u3002<\/strong><br>\n \u52e4\u52d9\u5148\u30fb\u6c0f\u540d\u30fb\u96fb\u8a71\u756a\u53f7\u304c\u63c3\u3048\u3070\u3001\u653b\u6483\u8005\u306f\u3042\u306a\u305f\u306e\u4f1a\u793e\u3068\u5f79\u8077\u3092\u7279\u5b9a\u3057\u3001\u7cbe\u5de7\u306a\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u300cUdemy\u30b5\u30dd\u30fc\u30c8\u304b\u3089\u8acb\u6c42\u306e\u304a\u77e5\u3089\u305b\u300d\u300cIT\u90e8\u9580\u304b\u3089\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8\u306e\u304a\u9858\u3044\u300d\u3068\u3044\u3063\u305f\u507d\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n <\/div>\n\n \n <h2>\u304a\u5ba2\u69d8\u304b\u3089\u306e\u3054\u8cea\u554f\u3068\u5f0a\u793e\u306e\u56de\u7b54<\/h2>\n\n <div class=\"qa-box\">\n <div class=\"qa-q\">Q\uff5cUdemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u4eca\u3059\u3050\u5909\u66f4\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/div>\n <div class=\"qa-a\"><strong>A\uff5c\u306f\u3044\u3002\u4eca\u3059\u3050\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><br>\n \u4eca\u56de\u306e\u6f0f\u6d29\u30c7\u30fc\u30bf\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001Udemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5225\u30b5\u30fc\u30d3\u30b9\u3067\u4f7f\u3044\u56de\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u901f\u3084\u304b\u306b\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u300c\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u30b9\u30bf\u30c3\u30d5\u30a3\u30f3\u30b0\u300d\u5bfe\u7b56\u3068\u3057\u3066\u91cd\u8981\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u904e\u53bb\u306b\u6d41\u51fa\u3057\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30b9\u30c8\u3092\u4f7f\u3044\u3001\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u8a66\u307f\u307e\u3059\u3002<br><br>\n \u305d\u306e\u4ed6\u306e\u5bfe\u5fdc\u306b\u3064\u3044\u3066\u306f\u3001<strong>\u30d9\u30cd\u30c3\u30bb\u306e\u6b63\u5f0f\u901a\u77e5\u30fb\u516c\u5f0f\u767a\u8868\u3092\u5f85\u3063\u3066\u884c\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/div>\n <\/div>\n\n \n <h2>\u4eca\u3059\u3050\u3084\u308b\u3053\u3068 \u2015 5\u3064\u306e\u5bfe\u5fdc\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n <ul class=\"step-list\">\n <li class=\"step-item\">\n <div class=\"step-num\">1<\/div>\n <div class=\"step-content\">\n <h4>Udemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u4eca\u3059\u3050\u5909\u66f4\u3059\u308b<\/h4>\n <p>\u30e1\u30fc\u30eb\u30fb\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u30fb\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30fbSNS\u306a\u3069\u3001Udemy\u3068\u540c\u3058\u307e\u305f\u306f\u4f3c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u3082\u306e\u306f<strong>\u3059\u3079\u3066\u5909\u66f4<\/strong>\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5909\u66f4\u5f8c\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\uff08Bitwarden\u7b49\uff09\u306b\u4fdd\u5b58\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u3054\u3068\u306b\u7570\u306a\u308b\u9577\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">2<\/div>\n <div class=\"step-content\">\n <h4>Have I Been Pwned \u3067\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b<\/h4>\n <p><a href=\"https:\/\/haveibeenpwned.com\" target=\"_blank\">haveibeenpwned.com<\/a> \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001Udemy\u306b\u767b\u9332\u3057\u3066\u3044\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300cUdemy\u300d\u3068\u8868\u793a\u3055\u308c\u308c\u3070\u6f0f\u6d29\u5bfe\u8c61\u3067\u3059\u3002\u7121\u6599\u3067\u78ba\u8a8d\u3067\u304d\u3001\u767b\u9332\u3059\u308b\u3068\u4eca\u5f8c\u306e\u6f0f\u6d29\u3082\u901a\u77e5\u3055\u308c\u307e\u3059\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">3<\/div>\n <div class=\"step-content\">\n <h4>Udemy\u306b\u5c4a\u304f\u30e1\u30fc\u30eb\u306e\u300c\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8b66\u6212\u30e2\u30fc\u30c9\u300d\u3092\u30aa\u30f3\u306b\u3059\u308b<\/h4>\n <p>\u4eca\u5f8c\u3001Udemy\u30fb\u30d9\u30cd\u30c3\u30bb\u30fbIT\u90e8\u9580\u3092\u88c5\u3063\u305f\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u524d\u306b\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3001Udemy\u306e\u30ed\u30b0\u30a4\u30f3\u306f\u5fc5\u305a <a href=\"https:\/\/www.udemy.com\" target=\"_blank\">www.udemy.com<\/a> \u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u7fd2\u6163\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30fc\u30eb\u5185\u306e\u30ea\u30f3\u30af\u306f\u4f7f\u308f\u306a\u3044\u3053\u3068\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">4<\/div>\n <div class=\"step-content\">\n <h4>\u5168\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u3092\u8a2d\u5b9a\u3059\u308b<\/h4>\n <p>\u4e07\u4e00\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6f0f\u6d29\u3057\u3066\u3082\u3001MFA\u304c\u3042\u308c\u3070\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u9632\u3052\u307e\u3059\u3002\u30e1\u30fc\u30eb\u30fb\u793e\u5185\u30b7\u30b9\u30c6\u30e0\u30fb\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3059\u3079\u3066\u306b\u8a8d\u8a3c\u30a2\u30d7\u30ea\uff08Google Authenticator\u30fbMicrosoft Authenticator\uff09\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002SMS\u8a8d\u8a3c\u3088\u308a\u5b89\u5168\u3067\u3001\u8a2d\u5b9a\u306f5\u5206\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n <\/div>\n <\/li>\n <li class=\"step-item\">\n <div class=\"step-num\">5<\/div>\n <div class=\"step-content\">\n <h4>\u30d9\u30cd\u30c3\u30bb\u30fbUdemy\u306e\u516c\u5f0f\u767a\u8868\u3092\u5f85\u3061\u3001\u6307\u793a\u306b\u5f93\u3046<\/h4>\n <p>\u73fe\u6642\u70b9\u3067\u306fUdemy\u30fb\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u516c\u5f0f\u8b1d\u7f6a\u30fb\u5bfe\u5fdc\u6848\u5185\u304c\u307e\u3060\u51fa\u3066\u3044\u307e\u305b\u3093\u3002\u516c\u5f0f\u767a\u8868\u5f8c\u306b\u8ffd\u52a0\u306e\u5bfe\u5fdc\uff08\u30a2\u30ab\u30a6\u30f3\u30c8\u505c\u6b62\u30fb\u518d\u767a\u884c\u7b49\uff09\u304c\u6307\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u516c\u5f0f\u30b5\u30a4\u30c8\u4ee5\u5916\u306e\u300c\u5bfe\u5fdc\u6848\u5185\u300d\u3092\u540d\u4e57\u308b\u30e1\u30fc\u30eb\u3084SMS\u306b\u306f\u5fdc\u3058\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\n <\/div>\n <\/li>\n <\/ul>\n\n \n <h2>\u4f01\u696d\u62c5\u5f53\u8005\u306e\u65b9\u3078 \u2015 \u5f93\u696d\u54e1\u3078\u306e\u5468\u77e5\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n <div class=\"cyan-box\">\n <div class=\"cyan-title\">\ud83d\udce2 \u793e\u5185\u3078\u306e\u5171\u6709\u6587\u4f8b\uff08\u30b3\u30d4\u30fc\u3057\u3066\u3054\u5229\u7528\u304f\u3060\u3055\u3044\uff09<\/div>\n <p style=\"margin:0.6em 0 0; font-size:0.88rem; line-height:1.8;\">\n \u300cUdemy\u3067\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f\u3057\u307e\u3057\u305f\uff082026\u5e744\u670827\u65e5\u516c\u958b\uff09\u3002<br>\n \u2460Udemy\u3068\u540c\u3058\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4ed6\u30b5\u30fc\u30d3\u30b9\u3067\u4f7f\u3063\u3066\u3044\u308b\u65b9\u306f\u4eca\u3059\u3050\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br>\n \u2461Udemy\u3092\u540d\u4e57\u308b\u4e0d\u5be9\u306a\u30e1\u30fc\u30eb\u306b\u306f\u8fd4\u4fe1\u30fb\u30af\u30ea\u30c3\u30af\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<br>\n \u2462\u81ea\u5206\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b <a href=\"https:\/\/haveibeenpwned.com\" target=\"_blank\">haveibeenpwned.com<\/a> \u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br>\n \u8a73\u7d30\u306a\u5bfe\u5fdc\u306f\u4f1a\u793e\u304b\u3089\u306e\u6b63\u5f0f\u901a\u77e5\u3092\u304a\u5f85\u3061\u304f\u3060\u3055\u3044\u3002\u300d\n <\/p>\n <\/div>\n\n <div class=\"info-box\">\n <div class=\"info-title\">\ud83c\udfe2 Udemy Business\uff08\u4f01\u696d\u5951\u7d04\uff09\u3092\u3054\u5229\u7528\u306e\u5834\u5408<\/div>\n <ul style=\"margin-top:0.6em;\">\n <li>\u793e\u54e1\u306eUdemy\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\uff08\u30e1\u30fc\u30eb\u30fb\u6c0f\u540d\uff09\u304c\u30d9\u30cd\u30c3\u30bb\u7d4c\u7531\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n <li>\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u516c\u5f0f\u9023\u7d61\u3092\u5f85\u3061\u3001\u6307\u793a\u306b\u5f93\u3063\u3066\u5bfe\u5fdc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n <li>\u5951\u7d04\u7ba1\u7406\u8005\u306fUdemy Business\u306e\u7ba1\u7406\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u4e0d\u5be9\u306a\u30ed\u30b0\u30a4\u30f3\u5c65\u6b74\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/li>\n <li>\u5f93\u696d\u54e1\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30dd\u30ea\u30b7\u30fc\uff08\u4f7f\u3044\u56de\u3057\u7981\u6b62\u30fbMFA\u5fc5\u9808\uff09\u3092\u518d\u5468\u77e5\u3059\u308b\u6a5f\u4f1a\u3068\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n <\/ul>\n <\/div>\n\n \n <div class=\"summary-box\">\n <h3>\u2705 \u4eca\u56de\u306e\u30dd\u30a4\u30f3\u30c8\u307e\u3068\u3081<\/h3>\n <ul>\n <li>2026\u5e744\u670827\u65e5\u3001ShinyHunters\u304cUdemy\u304b\u3089140\u4e07\u4ef6\u306e\u30c7\u30fc\u30bf\u3092\u516c\u958b\uff08HIBP\u78ba\u8a8d\u6e08\u307f\uff09<\/li>\n <li>\u6f0f\u6d29\u30c7\u30fc\u30bf\u306f\u6c0f\u540d\u30fb\u30e1\u30fc\u30eb\u30fb\u4f4f\u6240\u30fb\u96fb\u8a71\u30fb\u52e4\u52d9\u5148\u30fb\u652f\u6255\u3044\u65b9\u6cd5\u3002<strong>\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u542b\u307e\u308c\u3066\u3044\u306a\u3044<\/strong><\/li>\n <li>\u305f\u3060\u3057\u300c\u4f7f\u3044\u56de\u3057\u300d\u304c\u3042\u308c\u3070\u5225\u306e\u6f0f\u6d29\u30ea\u30b9\u30c8\u304b\u3089\u653b\u6483\u3055\u308c\u308b\u53ef\u80fd\u6027\u3042\u308a \u2192 \u4eca\u3059\u3050\u5909\u66f4<\/li>\n <li>\u52e4\u52d9\u5148\u30fb\u5f79\u8077\u60c5\u5831\u304c\u6f0f\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4f01\u696d\u3092\u72d9\u3063\u305f\u6a19\u7684\u578b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306b\u8b66\u6212<\/li>\n <li>\u30d9\u30cd\u30c3\u30bb\u30fbUdemy\u306e\u516c\u5f0f\u767a\u8868\u3092\u5f85\u3061\u3001\u305d\u308c\u307e\u3067\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u4ee5\u5916\u306e\u6848\u5185\u306b\u5f93\u308f\u306a\u3044<\/li>\n <li>\u3053\u306e\u6a5f\u4f1a\u306bMFA\u8a2d\u5b9a\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u5c0e\u5165\u3092\u5168\u793e\u5c55\u958b\u3059\u308b\u3053\u3068\u3092\u63a8\u5968<\/li>\n <\/ul>\n <\/div>\n\n \n <div class=\"series-nav\">\n <h3>\ud83d\udcda 4\u6708\u30b7\u30ea\u30fc\u30ba\u300c\u793e\u4f1a\u4eba1\u5e74\u76ee\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u672c\u300d\u3082\u5408\u308f\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044<\/h3>\n <ul>\n <li>\u7b2c1\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/01\/newsletter-cybersecurity-newemployee-why-targeted\/\">\u653b\u6483\u8005\u306f\u3042\u306a\u305f\u3092\u72d9\u3063\u3066\u3044\u308b \u2015 \u65b0\u5165\u793e\u54e1\u304c\u72d9\u308f\u308c\u308b\u7406\u7531<\/a><\/li>\n <li>\u7b2c2\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/08\/newsletter-cybersecurity-phishing-ai-email\/\">\u305d\u306e\u30e1\u30fc\u30eb\u3001\u672c\u7269\u3067\u3059\u304b\uff1f \u2015 \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30fb\u751f\u6210AI\u8a50\u6b3a\u306e\u898b\u5206\u3051\u65b9<\/a><\/li>\n <li>\u7b2c3\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/15\/newsletter-cybersecurity-mfa-password-guide\/\">\u30d1\u30b9\u30ef\u30fc\u30c9\u3068MFA\u3067\u5b88\u308b \u2015 \u8a8d\u8a3c\u5f37\u5316\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9<\/a><\/li>\n <li>\u7b2c4\u56de\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\/2026\/04\/22\/newsletter-cybersecurity-sns-privacy-guide\/\">SNS\u3067\u60c5\u5831\u3092\u5b88\u308b \u2015 \u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u7ba1\u7406\u3068\u904e\u5270\u5171\u6709\u30ea\u30b9\u30af<\/a><\/li>\n <\/ul>\n <\/div>\n\n \n <h2>\u53c2\u8003\u60c5\u5831\u30fb\u60c5\u5831\u6e90<\/h2>\n <ul class=\"ref-list\">\n <li>Cybernews\u300cUdemy faces extortion threat from ShinyHunters\u300d\uff082026\u5e744\u670824\u65e5\u30fb27\u65e5\u66f4\u65b0\uff09<br>\n <a href=\"https:\/\/cybernews.com\/security\/shinyhunters-claim-udemy-data-theft\/\" target=\"_blank\">https:\/\/cybernews.com\/security\/shinyhunters-claim-udemy-data-theft\/<\/a><\/li>\n <li>Have I Been Pwned\u300cUdemy Breach\u300d\uff082026\u5e744\u670826\u65e5\u767b\u9332 \u2015 \u6f0f\u6d29\u30c7\u30fc\u30bf\u9805\u76ee\u306e\u516c\u5f0f\u78ba\u8a8d\uff09<br>\n <a href=\"https:\/\/haveibeenpwned.com\/Breach\/Udemy\" target=\"_blank\">https:\/\/haveibeenpwned.com\/Breach\/Udemy<\/a><\/li>\n <li>eSecurity Planet\u300cShinyHunters Claims Udemy Data Breach of 1.4M Users\u300d\uff082026\u5e744\u6708\uff09<br>\n <a href=\"https:\/\/www.esecurityplanet.com\/threats\/shinyhunters-claims-udemy-data-breach-of-1-4m-users\/\" target=\"_blank\">https:\/\/www.esecurityplanet.com\/threats\/shinyhunters-claims-udemy-data-breach-of-1-4m-users\/<\/a><\/li>\n <li>IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\uff08\u7d44\u7e54\u30fb\u500b\u4eba\u5411\u3051\u8105\u5a01\u30e9\u30f3\u30ad\u30f3\u30b0\uff09<br>\n <a href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/10threats2026.html\" target=\"_blank\">https:\/\/www.ipa.go.jp\/security\/10threats\/10threats2026.html<\/a><\/li>\n <li>Have I Been Pwned\uff08\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u6f0f\u6d29\u30c1\u30a7\u30c3\u30af\uff09<br>\n <a href=\"https:\/\/haveibeenpwned.com\" target=\"_blank\">https:\/\/haveibeenpwned.com<\/a><\/li>\n <\/ul>\n\n <hr style=\"border:none; border-top:1px solid #e2e8f0; margin:2.5em 0;\"\/>\n <p class=\"note-text\">\u203b\u672c\u8a18\u4e8b\u306f2026\u5e744\u670828\u65e5\u6642\u70b9\u306e\u60c5\u5831\u3092\u3082\u3068\u306b\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<br>Udemy\u30fb\u30d9\u30cd\u30c3\u30bb\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u516c\u5f0f\u767a\u8868\u304c\u3042\u308a\u6b21\u7b2c\u3001\u5185\u5bb9\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n <\/div>\n\n \n <div class=\"footer-block\">\n <strong>\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e<\/strong>\n \u3012103-0026 \u6771\u4eac\u90fd\u4e2d\u592e\u533a\u65e5\u672c\u6a4b\u515c\u753a17\u756a1\u53f7 \u65e5\u672c\u6a4b\u30ed\u30a4\u30e4\u30eb\u30d7\u30e9\u30b6706<br>\n TEL\uff1a03-6823-8902\u3000E-mail\uff1a<a href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"543d3a323b143e3524353a792631273d383d313a37317a373b7a3e24\">[email protected]<\/a><br>\n Web\uff1a<a href=\"https:\/\/japan-resilience.co.jp\/cyber\" target=\"_blank\">https:\/\/japan-resilience.co.jp\/cyber<\/a><br><br>\n \u203b\u672c\u8a18\u4e8b\u306fAI\u304c\u57f7\u7b46\u3057\u305f\u3082\u306e\u3092\u7b46\u8005\u304c\u76e3\u4fee\u3057\u3066\u3044\u307e\u3059\u30024\u670828\u65e5\u6642\u70b9\u3067\u306e\u60c5\u5831\u3067\u3059\u3002\n <\/div>\n\n<\/div>\n<script data-cfasync=\"false\" src=\"\/cdn-cgi\/scripts\/5c5dd728\/cloudflare-static\/email-decode.min.js\"><\/script><\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Udemy\u60c5\u5831\u6f0f\u6d29 2026\u5e744\u6708 \u2015 140\u4e07\u4ef6\u6d41\u51fa\u3001\u4eca\u3059\u3050\u3084\u308b\u3053\u30685\u30b9\u30c6\u30c3\u30d7\uff5c\u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e \ud83d\udea8 \u7dca\u6025\u7279\u5831 2026\u5e744\u670828\u65e5 \uff5c \u30b5\u30a4\u30d0\u30fc\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u682a\u5f0f\u4f1a\u793e Udemy\u3067140\u4e07\u4ef6\u306e\u60c5\u5831\u6f0f\u6d29\u304c\u767a\u751f 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