{"id":991948,"date":"2025-05-20T03:48:51","date_gmt":"2025-05-20T03:48:51","guid":{"rendered":"https:\/\/mynavitechtus.com\/?p=991948"},"modified":"2025-07-25T03:32:51","modified_gmt":"2025-07-25T03:32:51","slug":"the-amazing-pdf-man-pt-1-xss-vs-firewall","status":"publish","type":"post","link":"https:\/\/mynavitechtus.com\/ja\/the-amazing-pdf-man-pt-1-xss-vs-firewall\/","title":{"rendered":"\u9a5a\u7570\u306ePDF\u30de\u30f3 \u7b2c1\u7ae0: XSS\u5bfe\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"991948\" class=\"elementor elementor-991948\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-538445f e-flex e-con-boxed e-con e-parent\" data-id=\"538445f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eb5d4ca elementor-widget elementor-widget-text-editor\" data-id=\"eb5d4ca\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\"><i>Credit: Sonvh (\u30da\u30f3\u30c6\u30b9\u30bf\u30fc)<\/i><\/span><\/p><p><span style=\"font-weight: 400;\">2024\u5e7410\u6708\u3002\u51b7\u305f\u3044\u98a8\u304c\u6728\u3005\u3092\u63fa\u3089\u3057\u3001\u4e7e\u3044\u305f\u8449\u304c\u7a93\u8fba\u306b\u821e\u3044\u843d\u3061\u3066\u304d\u307e\u3057\u305f\u3002\u6e29\u304b\u306a\u90e8\u5c4b\u306e\u4e2d\u306b\u6f5c\u308a\u8fbc\u307f\u305f\u304f\u3066\u5fc5\u6b7b\u306e\u69d8\u5b50\u3067\u3057\u305f\u304c\u3001\u305d\u306e\u8a66\u307f\u306f\u7121\u60c5\u306a\u30ac\u30e9\u30b9\u306b\u3088\u3063\u3066\u963b\u307e\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u79c1\u306f\u305d\u306e\u5149\u666f\u3092\u898b\u306a\u304c\u3089\u3001\u3075\u3068\u8003\u3048\u307e\u3057\u305f\u3002 <\/span><i><span style=\"font-weight: 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WAF\u304c\u5b8c\u5168\u306b\u6709\u52b9\u5316\u3055\u308c\u3001\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u306e\u4e21\u65b9\u306b\u30dc\u30c3\u30c8\u691c\u51fa\u304c\u3042\u308a\u3001DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30b7\u30e7\u30f3\u3082\u65bd\u3055\u308c\u3001\u57fa\u672c\u8a8d\u8a3c\u3082\u91cd\u306d\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u30b9\u30b3\u30fc\u30d7\u3092\u6b63\u78ba\u306b\u6398\u308a\u4e0b\u3052\u308b\u524d\u306b\u3001\u304b\u306a\u308a\u306e\u6e96\u5099\u4f5c\u696d\u3092\u3053\u306a\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/span><\/p>\n<p><span style=\"font-weight: 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class=\"elementor-element elementor-element-574812a e-flex e-con-boxed e-con e-parent\" data-id=\"574812a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-569de19 elementor-widget elementor-widget-image\" data-id=\"569de19\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1156\" height=\"356\" src=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.32.35\u202fAM.png\" class=\"attachment-large size-large wp-image-991951\" alt=\"Security at Mynavi Techtus Vietanm\" srcset=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.32.35\u202fAM.png 1156w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.32.35\u202fAM-1024x315.png 1024w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.32.35\u202fAM-768x237.png 768w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.32.35\u202fAM-18x6.png 18w\" sizes=\"(max-width: 1156px) 100vw, 1156px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-020123a e-flex e-con-boxed e-con e-parent\" data-id=\"020123a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a98104f elementor-widget elementor-widget-text-editor\" data-id=\"a98104f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 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\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <\/span><span style=\"font-weight: 400;\">Mozilla\u306e\u6709\u540d\u306aPDF\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308bPDF.js<\/span><span style=\"font-weight: 400;\">\u3082\u540c\u5e744\u6708\u306b\u91cd\u5927\u306a\u8106\u5f31\u6027\u306b\u898b\u821e\u308f\u308c\u307e\u3057\u305f\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u5b9f\u969b\u3001\u3069\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u3066\u3082\u3001\u5165\u529b\u3092\u9069\u5207\u306b\u691c\u8a3c\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u4fdd\u8b77\u5177\u306a\u3057\u3067\u706b\u904a\u3073\u3092\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-60a7b23 e-flex e-con-boxed e-con e-parent\" data-id=\"60a7b23\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-efae1f4 elementor-widget elementor-widget-image\" data-id=\"efae1f4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1126\" height=\"476\" src=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.33.52\u202fAM.png\" class=\"attachment-large size-large wp-image-991952\" alt=\"Security at Mynavi Techtus Vietanm\" srcset=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.33.52\u202fAM.png 1126w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.33.52\u202fAM-1024x433.png 1024w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.33.52\u202fAM-768x325.png 768w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.33.52\u202fAM-18x8.png 18w\" sizes=\"(max-width: 1126px) 100vw, 1126px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a526fb e-flex e-con-boxed e-con e-parent\" data-id=\"7a526fb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ec1cf6e elementor-widget elementor-widget-text-editor\" data-id=\"ec1cf6e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u305d\u308c\u3067\u3001\u30af\u30e9\u30b7\u30c3\u30af\u306aPDF 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decoding=\"async\" width=\"1124\" height=\"292\" src=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.00\u202fAM.png\" class=\"attachment-large size-large wp-image-991953\" alt=\"Security at Mynavi Techtus Vietanm\" srcset=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.00\u202fAM.png 1124w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.00\u202fAM-1024x266.png 1024w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.00\u202fAM-768x200.png 768w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.00\u202fAM-18x5.png 18w\" sizes=\"(max-width: 1124px) 100vw, 1124px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3e0e7fd e-flex e-con-boxed e-con e-parent\" data-id=\"3e0e7fd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5572b0 elementor-widget elementor-widget-text-editor\" data-id=\"e5572b0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u8ffd\u8de1\u3057\u3001\u8868\u793a\u3002<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306f\u3001\u5927\u6210\u529f\u3002\u30d5\u30ebRCE\u3067\u3057\u305f\u3002<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22b1413 e-flex e-con-boxed e-con e-parent\" data-id=\"22b1413\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20dc93b elementor-widget elementor-widget-image\" data-id=\"20dc93b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1118\" height=\"414\" src=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.51\u202fAM.png\" class=\"attachment-large size-large wp-image-991954\" alt=\"Security at Mynavi Techtus Vietanm\" srcset=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.51\u202fAM.png 1118w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.51\u202fAM-1024x379.png 1024w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.51\u202fAM-768x284.png 768w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.36.51\u202fAM-18x7.png 18w\" sizes=\"(max-width: 1118px) 100vw, 1118px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b82d5b2 e-flex e-con-boxed e-con e-parent\" data-id=\"b82d5b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac4a6a0 elementor-widget elementor-widget-text-editor\" data-id=\"ac4a6a0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u3053\u306e\u6642\u70b9\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3059\u3067\u306b\u51b7\u3084\u6c57\u3092\u304b\u3044\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u3067\u3082\u79c1\u306f\u5e78\u904b\u3092\u8a66\u3057\u3001\u672c\u756a\u74b0\u5883\u3067\u7a81\u7834\u3067\u304d\u308b\u304b\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">\u672c\u756a\u74b0\u5883\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306f\u305f\u3060\u6d88\u3048\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002Cloudflare\u304c\u30ac\u30fc\u30c9\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u307e\u308a\u9a5a\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u305f\u3060\u306e\u904b\u8a66\u3057\u3067\u3057\u305f\u304c\u3001\u5831\u544a\u66f8\u3092\u7de0\u3081\u304f\u304f\u308a\u3001\u6b21\u306e\u30d0\u30b0\u306b\u9032\u3080\u4e88\u5b9a\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u6642\u3001\u7956\u5148\u304b\u3089\u306e\u58f0\u304c\u805e\u3053\u3048\u307e\u3057\u305f\u3002 <\/span><i><span style=\"font-weight: 400;\">\u300c\u3044\u3044\u3048\u3001\u3042\u306a\u305f\u306f\u3053\u306eWAF\u306b\u6557\u5317\u3057\u306a\u3044\u3002\u3042\u306a\u305f\u306f\u305d\u308c\u3092\u56de\u907f\u3059\u308b\u3002\u300d<\/span><\/i><\/p><p><span style=\"font-weight: 400;\">\u79c1\u304c\u77e5\u308b\u9650\u308a\u3001\u307b\u3068\u3093\u3069\u306eWAF\u306f\u60aa\u610f\u306e\u3042\u308b\u5165\u529b\u30922\u3064\u306e\u65b9\u6cd5\u3067\u51e6\u7406\u3057\u307e\u3059:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u66f8\u304d\u63db\u3048\u308b\u304b\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u3066\u7121\u529b\u5316\u3059\u308b\u3002<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u300c\u79c1\u306b\u5909\u308f\u3089\u306a\u3044\u306a\u3089\u5225\u308c\u308b\u308f\u300d\u3001\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3002<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">\u3053\u306e\u30b1\u30fc\u30b9\u306f2\u756a\u76ee\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u3088\u3046\u306b\u611f\u3058\u307e\u3057\u305f\u3002\u30b5\u30cb\u30bf\u30a4\u30ba\u305b\u305a\u306b\u5358\u7d14\u306b\u62d2\u7d76\u3059\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u30ed\u30b8\u30c3\u30af\u3092\u9006\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3059\u308b\u6642\u9593\u3092\u7121\u99c4\u306b\u3059\u308b\u3088\u308a\u3082\u3001WAF\u306e\u958b\u767a\u8005\u3084\u305d\u306eML\u30b7\u30b9\u30c6\u30e0\u304c\u307e\u3060\u8003\u616e\u3057\u3066\u3044\u306a\u3044\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u898b\u3064\u3051\u51fa\u3059\u30af\u30ea\u30a8\u30a4\u30c6\u30a3\u30d6\u306a\u65b9\u6cd5\u3092\u9078\u3073\u307e\u3057\u305f\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u79c1\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u4f53\u7cfb\u7684\u306b\u30c6\u30b9\u30c8\u3057\u3001\u5c11\u3057\u305a\u3064\u5909\u66f4\u3092\u52a0\u3048\u306a\u304c\u3089\u6bce\u56de\u30b5\u30fc\u30d0\u30fc\u306e\u53cd\u5fdc\u3092\u89b3\u5bdf\u3059\u308b\u3053\u3068\u3067\u3057\u305f\u3002\u76ee\u6a19\u306f\u4ee5\u4e0b\u3092\u4e88\u6e2c\u3057\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3057\u305f\uff1a<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">WAF\u304c\u30d6\u30ed\u30c3\u30af\u307e\u305f\u306f\u8a31\u53ef\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u3092\u7279\u5b9a\u3057\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30eb\u30fc\u30eb\u30bb\u30c3\u30c8\u306b\u3064\u3044\u3066\u306e\u6d1e\u5bdf\u3092\u5f97\u308b\u3002<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u9577\u3055\u3068\u5fdc\u7b54\u6642\u9593\u306e\u76f8\u95a2\u6027\u3092\u63a2\u308b\u3053\u3068\u3067\u3001WAF\u306b\u3088\u308b\u6b63\u898f\u8868\u73fe\u30d9\u30fc\u30b9\u691c\u67fb\u3084\u30c7\u30a3\u30fc\u30d7\u30d1\u30b1\u30c3\u30c8\u89e3\u6790\u306a\u3069\u306e\u7279\u5fb4\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3002<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">\u8a66\u884c\u932f\u8aa4\u306e\u672b\u3001 <\/span><i><span style=\"font-weight: 400;\">\u3064\u3044\u306b\u6210\u529f\u3057\u307e\u3057\u305f<\/span><\/i><span style=\"font-weight: 400;\">\u3002\u30af\u30ea\u30fc\u30f3\u306a\u30d0\u30a4\u30d1\u30b9\u3001\u6e80\u8db3\u306e\u3044\u304f <\/span><span style=\"font-weight: 400;\">alert(1)\u3067\u7de0\u3081\u304f\u304f\u3089\u308c\u307e\u3057\u305f\u3002<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-298b0b2 e-flex e-con-boxed e-con e-parent\" data-id=\"298b0b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db20a63 elementor-widget elementor-widget-image\" data-id=\"db20a63\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1120\" height=\"274\" src=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.37.52\u202fAM.png\" class=\"attachment-large size-large wp-image-991956\" alt=\"Security at Mynavi Techtus Vietanm\" srcset=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.37.52\u202fAM.png 1120w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.37.52\u202fAM-1024x251.png 1024w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.37.52\u202fAM-768x188.png 768w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.37.52\u202fAM-18x4.png 18w\" sizes=\"(max-width: 1120px) 100vw, 1120px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc6a155 e-flex e-con-boxed e-con e-parent\" data-id=\"bc6a155\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d68dbd elementor-widget elementor-widget-text-editor\" data-id=\"0d68dbd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u3053\u3046\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u3059\u308a\u629c\u3051\u308b\u3053\u3068\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">PDF\u30de\u30f3\u304c\u518d\u3073\u3084\u308a\u307e\u3057\u305f\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u305d\u3053\u304b\u3089\u306f\u4f55\u3067\u3082\u53ef\u80fd\u3067\u3057\u305f\uff1a\u30af\u30c3\u30ad\u30fc\u306e\u76d7\u96e3\u3001\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u306e\u4e57\u3063\u53d6\u308a\u3001\u5185\u90e8API\u3078\u306e\u30a2\u30af\u30bb\u30b9 \u2014 \u3059\u3079\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u80cc\u5f8c\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3069\u308c\u3060\u3051\u3088\u304f\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u304b\u306b\u3088\u308a\u307e\u3059\u3002<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66ce226 e-flex e-con-boxed e-con e-parent\" data-id=\"66ce226\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-77699e8 elementor-widget elementor-widget-image\" data-id=\"77699e8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1126\" height=\"332\" src=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.39.03\u202fAM.png\" class=\"attachment-large size-large wp-image-991957\" alt=\"Security at Mynavi Techtus Vietanm\" srcset=\"https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.39.03\u202fAM.png 1126w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.39.03\u202fAM-1024x302.png 1024w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.39.03\u202fAM-768x226.png 768w, https:\/\/mynavitechtus.com\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-20-at-10.39.03\u202fAM-18x5.png 18w\" sizes=\"(max-width: 1126px) 100vw, 1126px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0ea7f6f e-flex e-con-boxed e-con e-parent\" data-id=\"0ea7f6f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b3ed46 elementor-widget elementor-widget-text-editor\" data-id=\"9b3ed46\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u305d\u306e\u5f8c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u5354\u529b\u3057\u3066Cloudflare\u306b\u30b5\u30dd\u30fc\u30c8\u30c1\u30b1\u30c3\u30c8\u3092\u63d0\u51fa\u3057\u307e\u3057\u305f\u3002\u554f\u984c\u3092\u8a8d\u8b58\u3057\u307e\u3057\u305f\u304c\u3001\u30dd\u30ea\u30b7\u30fc\u306e\u5236\u7d04\u304b\u3089\u6280\u8853\u7684\u306a\u5074\u9762\u306b\u306f\u6df1\u304f\u5bfe\u51e6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u3053\u308c\u304c\u7279\u306b\u753b\u671f\u7684\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3066\u3082\u3001\u826f\u3044\u601d\u3044\u51fa\u3068\u306a\u308a\u307e\u3059: WAF\u3084\u305d\u306e\u4ed6\u306e\u5883\u754c\u9632\u5fa1\u7b56\u306f\u4e07\u80fd\u85ac\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6700\u521d\u306f\u653b\u6483\u8005\u306e\u9032\u884c\u3092\u9045\u3089\u305b\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u57f7\u5ff5\u6df1\u3044\u30d7\u30ed\u306b\u306f\u6642\u9593\u306e\u554f\u984c\u3067\u3059\u3002\u30b3\u30a2\u30a2\u30d7\u30ea\u304c\u5805\u7262\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u69cb\u7bc9\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001WAF\u306f\u305f\u3060\u306e\u9ad8\u4fa1\u306a\u98fe\u308a\u306b\u3059\u304e\u307e\u305b\u3093\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u305d\u3057\u3066\u3001PDF\u30de\u30f3\u306e\u7269\u8a9e\u306f\u7d9a\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 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