{"id":3693,"date":"2026-04-15T04:30:00","date_gmt":"2026-04-15T04:30:00","guid":{"rendered":"https:\/\/infosec-daily.com\/?page_id=3693"},"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","status":"publish","type":"page","link":"https:\/\/infosec-daily.com\/?page_id=3693","title":{"rendered":"OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams"},"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<\/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&hellip;<\/p>\n","protected":false},"author":1,"featured_media":3694,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"saved_in_kubio":false,"footnotes":""},"class_list":["post-3693","page","type-page","status-publish","has-post-thumbnail","hentry"],"kubio_ai_page_context":{"short_desc":"","purpose":"general"},"_links":{"self":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/3693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3693"}],"version-history":[{"count":0,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/3693\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/media\/3694"}],"wp:attachment":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}