{"id":134496,"date":"2026-05-30T11:28:46","date_gmt":"2026-05-30T02:28:46","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=134496"},"modified":"2026-05-30T11:28:46","modified_gmt":"2026-05-30T02:28:46","slug":"windows11-security-blog-removed","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows11-security-blog-removed\/","title":{"rendered":"Microsoft\u3001Windows 11\u300c\u5185\u8535\u4fdd\u8b77\u3067\u5341\u5206\u300d\u30d6\u30ed\u30b0\u3092\u9759\u304b\u306b\u524a\u9664\u3001\u696d\u754c\u3078\u306e\u914d\u616e\u304b\u65b9\u91dd\u8ee2\u63db\u304b"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/05\/pexels-shkrabaanthony-5475752.webp\" alt=\"\" width=\"1280\" height=\"853\" class=\"aligncenter size-full wp-image-134175\" \/><\/p>\n<p>Microsoft\u304c4\u6708\u306b\u516c\u958b\u3057\u3066\u3044\u305f\u300cWindows 11\u306e\u5185\u8535\u4fdd\u8b77\u3060\u3051\u3067\u5341\u5206\u300d\u3068\u3044\u3046\u8da3\u65e8\u306e<a href=\"https:\/\/softantenna.com\/blog\/windows11-antivirus-need\/\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ed\u30b0<\/a>\u304c\u30015\u6708\u4e0b\u65ec\u306b\u4e88\u544a\u306a\u304f\u524a\u9664\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u8a18\u4e8b\u306fMicrosoft Learning Center\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u73fe\u5728\u306f\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3078\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u524a\u9664\u3055\u308c\u305f\u30d6\u30ed\u30b0\u306e\u4e3b\u5f35\u3068\u306f<\/h2>\n<p>\u554f\u984c\u3068\u306a\u3063\u305f\u30d6\u30ed\u30b0\u306f\u300c2026\u5e74\u306e\u30d9\u30b9\u30c8\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u306fWindows\u306b\u5185\u8535\u3055\u308c\u3066\u3044\u308b\u4fdd\u8b77\u6a5f\u80fd\u300d\u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u3067\u3001Windows 11\u306b\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>Microsoft Defender Antivirus<\/li>\n<li>SmartScreen<\/li>\n<li>Smart App Control<\/li>\n<li>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u5bfe\u7b56\u6a5f\u80fd \u306a\u3069<\/li>\n<\/ul>\n<p>\u8a18\u4e8b\u3067\u306f\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f<strong>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044<\/strong>\u3068\u660e\u8a00\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u304c\u30d1\u30fc\u30c8\u30ca\u30fc\u4f01\u696d\u306b\u3068\u3063\u3066\u306f\u523a\u6fc0\u7684\u306a\u5185\u5bb9\u3060\u3063\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6587\u7ae0\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<blockquote>\n<p><em><strong>Do you still need third\u2011party antivirus in 2026?<\/strong><\/em><\/p>\n<p>For many Windows 11 users, Microsoft Defender Antivirus covers everyday risk without requiring additional software. The choice to add third\u2011party antivirus depends on how you use your PC and which features you value.<\/p>\n<p><strong>When built\u2011in protection is enough:<\/strong><\/p>\n<p>Windows antivirus protection is usually sufficient when Windows 11 runs with default protections enabled, updates are installed regularly, and software downloads are deliberate. Microsoft Defender Antivirus and SmartScreen already address common threats such as malicious files, phishing sites, and unsafe installers.<\/p>\n<p><strong>When additional tools may help:<\/strong><\/p>\n<p>You might consider extra security software if you manage multiple devices, share devices with family members, or want services like identity monitoring or parental controls.<\/p>\n<p>Each added tool increases background activity and complexity, so choose tools that match real needs.<\/p>\n<p><strong>2026\u5e74\u306b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u306f\u307e\u3060\u5fc5\u8981\uff1f<\/strong><br \/>\n\u591a\u304f\u306e Windows 11 \u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3001Microsoft Defender Antivirus \u306f\u65e5\u5e38\u7684\u306a\u30ea\u30b9\u30af\u306b\u5341\u5206\u5bfe\u5fdc\u3067\u304d\u308b\u305f\u3081\u3001\u8ffd\u52a0\u306e\u30bd\u30d5\u30c8\u3092\u5165\u308c\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u3092\u5c0e\u5165\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u3001PC \u306e\u4f7f\u3044\u65b9\u3084\u6c42\u3081\u308b\u6a5f\u80fd\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u5185\u8535\u306e\u4fdd\u8b77\u3067\u5341\u5206\u306a\u30b1\u30fc\u30b9\uff1a<\/strong><br \/>\nWindows 11 \u306e\u65e2\u5b9a\u306e\u4fdd\u8b77\u6a5f\u80fd\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9a\u671f\u7684\u306b\u9069\u7528\u3057\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3082\u614e\u91cd\u306b\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u6a19\u6e96\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3067\u307b\u3068\u3093\u3069\u306e\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002Microsoft Defender Antivirus \u3068 SmartScreen \u306f\u3001\u60aa\u610f\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30b5\u30a4\u30c8\u3001\u5371\u967a\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u3068\u3044\u3063\u305f\u4e00\u822c\u7684\u306a\u8105\u5a01\u3092\u3059\u3067\u306b\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u8ffd\u52a0\u30c4\u30fc\u30eb\u304c\u5f79\u7acb\u3064\u30b1\u30fc\u30b9\uff1a<\/strong><br \/>\n\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408\u3084\u3001\u5bb6\u65cf\u3068 PC \u3092\u5171\u6709\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3042\u308b\u3044\u306f ID \u76e3\u8996\u3084\u30da\u30a2\u30ec\u30f3\u30bf\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306a\u3069\u306e\u8ffd\u52a0\u30b5\u30fc\u30d3\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30d5\u30c8\u3092\u691c\u8a0e\u3057\u3066\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u305f\u3060\u3057\u3001\u30c4\u30fc\u30eb\u3092\u5897\u3084\u3059\u307b\u3069\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u306e\u51e6\u7406\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u3055\u3082\u5897\u3059\u305f\u3081\u3001\u672c\u5f53\u306b\u5fc5\u8981\u306a\u6a5f\u80fd\u306b\u7d5e\u3063\u3066\u9078\u3076\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<\/blockquote>\n\n<p>\u3068\u306f\u3044\u3048\u3001Windows 11\u306e\u6a19\u6e96\u4fdd\u8b77\u304c\u65e5\u5e38\u7684\u306a\u8105\u5a01\u306b\u306f\u5341\u5206\u3067\u3042\u308b\u4e00\u65b9\u3001\u5bb6\u65cf\u5171\u6709\u3084\u8907\u6570\u30c7\u30d0\u30a4\u30b9\u7ba1\u7406\u3001ID\u76e3\u8996\u306a\u3069\u8ffd\u52a0\u6a5f\u80fd\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u3082\u691c\u8a0e\u3059\u3079\u304d\u3001\u3068\u4e00\u5b9a\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u3063\u305f\u8aac\u660e\u306b\u306f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.neowin.net\/news\/microsoft-no-longer-claims-that-windows-11-has-all-the-protection-that-you-need\/\">Neowin<\/a>\u306b\u3088\u308b\u3068\u3001\u8a18\u4e8b\u306f5\u670811\u65e5\u6642\u70b9\u3067\u306f\u5b58\u5728\u3057\u3066\u3044\u305f\u3082\u306e\u306e\u30015\u670824\u65e5\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u306f\u524a\u9664\u6e08\u307f\u306b\u306a\u3063\u3066\u3044\u305f\u3068\u306e\u3053\u3068\u3002Microsoft\u306f\u524a\u9664\u7406\u7531\u3092\u516c\u8868\u3057\u3066\u304a\u3089\u305a\u3001Neowin\u3082\u554f\u3044\u5408\u308f\u305b\u4e2d\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081\uff1aWindows 11 \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u65b9\u91dd\u306f\u518d\u8abf\u6574\u4e2d\uff1f<\/h2>\n<p>\u4eca\u56de\u306e\u9759\u304b\u306a\u524a\u9664\u306f\u3001Microsoft\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u3092\u614e\u91cd\u306b\u518d\u691c\u8a0e\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002Windows 11\u306e\u6a19\u6e96\u4fdd\u8b77\u306f\u78ba\u304b\u306b\u5f37\u529b\u3067\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5229\u7528\u74b0\u5883\u306b\u3088\u3063\u3066\u5fc5\u8981\u306a\u5bfe\u7b56\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30f3\u30c0\u30fc\u3078\u306e\u914d\u616e\u3082\u5fc5\u8981\u3067\u3042\u308b\u305f\u3081\u3001Microsoft\u304c\u4eca\u5f8c\u3069\u306e\u3088\u3046\u306a\u30b9\u30bf\u30f3\u30b9\u3092\u793a\u3059\u306e\u304b\u3001\u5f15\u304d\u7d9a\u304d\u6ce8\u76ee\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u304c4\u6708\u306b\u516c\u958b\u3057\u3066\u3044\u305f\u300cWindows 11\u306e\u5185\u8535\u4fdd\u8b77\u3060\u3051\u3067\u5341\u5206\u300d\u3068\u3044\u3046\u8da3\u65e8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ed\u30b0\u304c\u30015\u6708\u4e0b\u65ec\u306b\u4e88\u544a\u306a\u304f\u524a\u9664\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u8a18\u4e8b\u306fMicrosoft Learning Cent [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":134175,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298,4387],"class_list":["post-134496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=134496"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134496\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/134175"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=134496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=134496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=134496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}