OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model | CyberScoop<\/title> <meta name=\"description\" content=\"A new cybersecurity-focused variant of ChatGPT and an expanded access program put OpenAI in direct competition with Anthropic's Project Glasswing \u2014 and raises fresh questions about who gets to wield the most powerful security AI.\"> <link rel=\"canonical\" href=\"https:\/\/cyberscoop.com\/openai-expands-trusted-access-for-cyber-to-thousands-for-cybersecurity\/\"> <meta property=\"og:locale\" content=\"en_US\"> <meta property=\"og:type\" content=\"article\"> <meta property=\"og:title\" content=\"OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model \"> <meta property=\"og:description\" content=\"A new cybersecurity-focused variant of ChatGPT and an expanded access program put OpenAI in direct competition with Anthropic's Project Glasswing \u2014 and raises fresh questions about who gets to wield the most powerful security 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fill=\"currentColor\" \/><\/svg> <span class=\"visually-hidden\">Close<\/span> <\/button> <\/section>\n<article class=\"single-article content\">\n<div class=\"single-article__container js-single-article-content\">\n<header class=\"single-article__header \" readability=\"26.234645669291\">\n<div class=\"single-article__header-content\" readability=\"35.673306772908\">\n<p> A new cybersecurity-focused variant of ChatGPT and an expanded access program put OpenAI in direct competition with Anthropic’s Project Glasswing \u2014 and raises fresh questions about who gets to wield the most powerful security AI. <\/p>\n<p>  <br \/>\n<audio id=\"audio-player\" src=\"https:\/\/wp-tts-cdn.api.scpnewsgrp.com\/cyberscoop\/88604\/english.openai.mp3\"><\/audio> <\/p>\n<div readability=\"11\">\n<div>\n<p>Listen to this article<\/p>\n<p>  <\/p>\n<p>0:00<\/p>\n<\/p><\/div>\n<p>  <\/p>\n<p> <span id=\"tts-tooltip\">Learn more.<\/span> <span> This feature uses an automated voice, which may result in occasional errors in pronunciation, tone, or sentiment. <\/span> <\/p>\n<\/div>\n<p>  <\/div>\n<div class=\"single-article__cover-wrap\">\n<figure class=\"single-article__cover\"> <img data-recalc-dims=\"1\" fetchpriority=\"high\" width=\"640\" height=\"429\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model.jpg?resize=640%2C429&ssl=1\" class=\"single-article__cover-image wp-post-image\" alt decoding=\"async\" fetchpriority=\"high\" srcset=\"https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg 1920w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=300,201 300w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=768,514 768w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=1024,686 1024w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=1536,1029 1536w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=600,402 600w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=251,168 251w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=503,337 503w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=1008,675 1008w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-2.jpg?resize=1259,843 1259w\" sizes=\"(max-width: 1008px) 100vw, 1008px\"><figcaption> Illustration shows the ChatGPT logo on a smartphone in Washington, DC, on March 15. (Photo by Olivier Douliery\/AFP via Getty Images) <\/figcaption><\/figure>\n<\/p><\/div>\n<\/header>\n<div class=\"single-article__content\">\n<div class=\"single-article__content-inner has-drop-cap\"> <html readability=\"26.047058823529\"><body readability=\"53.019397441189\"><\/p>\n<p>OpenAI <a href=\"https:\/\/openai.com\/index\/scaling-trusted-access-for-cyber-defense\/\">said<\/a> it is expanding its Trusted Access for Cyber program to \u201cthousands of individuals and organizations,\u201d who will use the company\u2019s technology to root out bugs and vulnerabilities in their products.<\/p>\n<p>The program will also incorporate GPT 5.4 Cyber, a new variant of ChatGPT that OpenAI says is specifically optimized for cybersecurity tasks. OpenAI\u2019s goal with this release is to make advanced cybersecurity tools more widely accessible.<\/p>\n<p>The company said access to the program and cybersecurity-focused model will still be governed by \u201cstrong\u201d Know-Your-Customer and identity verification rules to help prevent the model\u2019s spread to bad actors.<\/p>\n<p>\u201cOur goal is to make these tools as widely available as possible while preventing misuse,\u201d the company said in a blog posted Tuesday. \u201cWe design mechanisms which avoid arbitrarily deciding who gets access for legitimate use and who doesn\u2019t.\u201d<\/p>\n<div class=\"ad ad--inline_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<p>OpenAI\u2019s announcement comes one week after Anthropic rolled out <a href=\"https:\/\/cyberscoop.com\/project-glasswing-anthropic-ai-open-source-software-vulnerabilities\/\">Project Glasswing<\/a>, a similar effort that seeks to provide major tech companies with Claude Mythos, an unreleased model that Anthropic officials have claimed is too dangerous to sell commercially.<\/p>\n<p>OpenAI officials noted they publicly <a href=\"https:\/\/openai.com\/index\/trusted-access-for-cyber\/\">announced<\/a> Trusted Access for Cyber program months earlier. They have also quietly avoided direct comparisons to Mythos, and GPT 5.4 Cyber.<\/p>\n<p>Cybersecurity experts in the U.S. and UK <a href=\"https:\/\/cyberscoop.com\/claude-mythos-ai-cybersecurity-threat-report\/\">have described<\/a> Mythos as a significant improvement from previous frontier models around identifying (and potentially exploiting) cybersecurity vulnerabilities, though there remains debate and speculation about the model\u2019s ultimate impact on information security. <\/p>\n<p>Similarly, GPT 5.4 Cyber has been finetuned for testing and vulnerability research, though OpenAI wants to make iterative improvements to the program as lessons are learned. <\/p>\n<p>The company has plans to allow a broader group of cyber operators to use the model to protect critical infrastructure, public services and other digital systems. The company said it is also leery of having too much influence over which industries or sectors ultimately take part in the program.<\/p>\n<p>\u201cWe don\u2019t think it\u2019s practical or appropriate to centrally decide who gets to defend themselves,\u201d the blog stated. \u201cInstead, we aim to enable as many legitimate defenders as possible, with access grounded in verification, trust signals, and accountability.\u201d<\/p>\n<p><\/body> <\/p>\n<footer class=\"single-article__footer\" readability=\"3.557168784029\">\n<div class=\"author-card\" readability=\"13\">\n<div class=\"author-card__avatar\">\n<figure class=\"author-card__image-wrap\"> <img data-recalc-dims=\"1\" decoding=\"async\" class=\"author-card__image\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2026\/04\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model-1.jpg?w=640&ssl=1\" alt=\"Derek B. Johnson\"> <\/figure>\n<\/p><\/div>\n<p><h4 class=\"author-card__name\">Written by Derek B. Johnson<\/h4>\n<p> Derek B. Johnson is a reporter at CyberScoop, where his beat includes cybersecurity, elections and the federal government. Prior to that, he has provided award-winning coverage of cybersecurity news across the public and private sectors for various publications since 2017. Derek has a bachelor\u2019s degree in print journalism from Hofstra University in New York and a master\u2019s degree in public policy from George Mason University in Virginia. <\/p>\n<\/p><\/div>\n<div class=\"single-article__tags-container\">\n<h4 class=\"single-article__tags-title\">In This Story<\/h4>\n<\/p><\/div>\n<\/footer>\n<p> <\/html><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"single-article__ads js-single-article-sidebar\">\n<div class=\"ad ad--sidebar js-single-article-sidebar-5 ad--rightrail_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<div class=\"ad ad--sidebar js-single-article-sidebar-4 ad--rightrail_2 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<div class=\"ad ad--sidebar js-single-article-sidebar-3 ad--rightrail_3 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> 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{"id":8534,"date":"2026-04-15T08:59:27","date_gmt":"2026-04-15T13:59:27","guid":{"rendered":"https:\/\/cyberscoop.com\/?p=88604"},"modified":"2026-04-15T08:59:27","modified_gmt":"2026-04-15T13:59:27","slug":"openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model","status":"publish","type":"post","link":"https:\/\/ddi.mohflo.net\/index.php\/2026\/04\/15\/openai-expands-trusted-access-for-cyber-program-with-new-gpt-5-4-cyber-model\/","title":{"rendered":"OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model\u00a0"},"content":{"rendered":"