{"id":23518,"date":"2026-04-30T20:03:07","date_gmt":"2026-04-30T20:03:07","guid":{"rendered":"https:\/\/www.europesays.com\/ai\/23518\/"},"modified":"2026-04-30T20:03:07","modified_gmt":"2026-04-30T20:03:07","slug":"after-dissing-anthropic-for-limiting-mythos-openai-restricts-access-to-cyber-too","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ai\/23518\/","title":{"rendered":"After dissing Anthropic for limiting Mythos, OpenAI restricts access to Cyber, too"},"content":{"rendered":"<p id=\"speakable-summary\" class=\"wp-block-paragraph\">After Sam Altman <a href=\"https:\/\/techcrunch.com\/2026\/04\/21\/sam-altman-throws-shade-at-anthropics-cyber-model-mythos-fear-based-marketing\/\" rel=\"nofollow noopener\" target=\"_blank\">trash-talked Anthropic for gatekeeping<\/a> its cybersecurity tool Mythos by only releasing it to select users, he confirmed that OpenAI would be doing the same with its competing tool, Cyber.<\/p>\n<p class=\"wp-block-paragraph\">Altman said in <a rel=\"nofollow\" href=\"https:\/\/x.com\/sama\/status\/2049712078836170843\">a post on X<\/a> on Thursday that OpenAI will begin rolling out GPT-5.5 Cyber \u201cto critical cyber defenders\u201d in the next few days. OpenAI has an application on its website where <a rel=\"nofollow noopener\" href=\"https:\/\/openai.com\/form\/enterprise-trusted-access-for-cyber\/\" target=\"_blank\">people submit information<\/a> about their credentials and planned use in order to gain access.<\/p>\n<p class=\"wp-block-paragraph\">Cyber can perform such tasks as penetration testing, vulnerability identification (and exploitation), and malware reverse engineering, the application implies. It\u2019s intended to be a toolkit to help a company find security holes and test defenses. The fear is that the kit could be misused by the bad guys.<\/p>\n<p class=\"wp-block-paragraph\">When Anthropic similarly restricted access to Mythos, <a href=\"https:\/\/techcrunch.com\/2026\/04\/21\/sam-altman-throws-shade-at-anthropics-cyber-model-mythos-fear-based-marketing\/\" rel=\"nofollow noopener\" target=\"_blank\">Altman called the tactic fear-based marketing<\/a>. Some critics also thought so, saying\u00a0<a href=\"https:\/\/techcrunch.com\/2026\/04\/09\/is-anthropic-limiting-the-release-of-mythos-to-protect-the-internet-or-anthropic\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Anthropic\u2019s rhetoric was overblown<\/a>. Ironically, an unauthorized group reportedly managed <a href=\"https:\/\/techcrunch.com\/2026\/04\/21\/unauthorized-group-has-gained-access-to-anthropics-exclusive-cyber-tool-mythos-report-claims\/\" rel=\"nofollow noopener\" target=\"_blank\">to gain access to Mythos anyway<\/a>.<\/p>\n<p class=\"wp-block-paragraph\">OpenAI says it\u2019s working to make Cyber more widely available by consulting with the U.S. government and identifying more users <a rel=\"nofollow noopener\" href=\"https:\/\/openai.com\/index\/scaling-trusted-access-for-cyber-defense\/\" target=\"_blank\">with legit cybersecurity credentials<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"After Sam Altman trash-talked Anthropic for gatekeeping its cybersecurity tool Mythos by only releasing it to select users,&hellip;\n","protected":false},"author":2,"featured_media":23519,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[53,5969,353,157],"class_list":{"0":"post-23518","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-openai","8":"tag-anthropic","9":"tag-cyber","10":"tag-mythos","11":"tag-openai"},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/23518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/comments?post=23518"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/23518\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media\/23519"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media?parent=23518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/categories?post=23518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/tags?post=23518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}