{"id":19921,"date":"2026-04-15T04:30:00","date_gmt":"2026-04-15T04:30:00","guid":{"rendered":"https:\/\/sekuritasit.com\/index.php\/2026\/04\/15\/openai-launches-gpt-5-4-cyber-with-expanded-access-for-security-teams-infothehackernews-com-the-hacker-news\/"},"modified":"2026-04-15T04:30:00","modified_gmt":"2026-04-15T04:30:00","slug":"openai-launches-gpt-5-4-cyber-with-expanded-access-for-security-teams-infothehackernews-com-the-hacker-news","status":"publish","type":"post","link":"https:\/\/sekuritasit.com\/index.php\/2026\/04\/15\/openai-launches-gpt-5-4-cyber-with-expanded-access-for-security-teams-infothehackernews-com-the-hacker-news\/","title":{"rendered":"OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams info@thehackernews.com (The Hacker News)"},"content":{"rendered":"<p>OpenAI on Tuesday\u00a0unveiled GPT-5.4-Cyber, a variant of its latest flagship\u00a0model, GPT\u20115.4, that&#8217;s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier\u00a0model, Mythos.<br \/>\n&#8220;The progressive use of AI accelerates defenders \u2013 those responsible for keeping systems, data, and users safe \u2013 enabling them to find and fix problems<a href=\"https:\/\/thehackernews.com\/2026\/04\/openai-launches-gpt-54-cyber-with.html\" target=\"_blank\" class=\"feedzy-rss-link-icon\">Read More<\/a>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>OpenAI on Tuesday\u00a0unveiled GPT-5.4-Cyber, a variant of its latest flagship\u00a0model, GPT\u20115.4, that&#8217;s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier\u00a0model, Mythos. &#8220;The progressive use of AI accelerates defenders \u2013 those responsible for keeping systems, data, and users safe \u2013 enabling them to find and fix problemsRead More\u00a0<\/p>\n","protected":false},"author":1,"featured_media":19922,"comment_status":"","ping_status":"open","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,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT\u20115.4, that&#039;s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier model, Mythos. &quot;The progressive use of AI accelerates defenders \u2013 those responsible for keeping systems, 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06:39:59","updated":"2026-04-15 06:39:59","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/sekuritasit.com\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/sekuritasit.com\/index.php\/category\/uncategorized\/\" title=\"Uncategorized\">Uncategorized<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tOpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams info@thehackernews.com (The Hacker News)\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/sekuritasit.com"},{"label":"Uncategorized","link":"https:\/\/sekuritasit.com\/index.php\/category\/uncategorized\/"},{"label":"OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams info@thehackernews.com (The 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