OpenAI Blog
May 7
Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber
OpenAI expands Trusted Access for Cyber with GPT-5. 5 and GPT-5.
Trusted access for the next era of cyber defense
OpenAI expands its Trusted Access for Cyber program, introducing GPT-5. 4-Cyber to vetted defenders and strengthening safeguards as AI cybersecurity capabilities advance.
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OpenAI Blog
Apr 16
Accelerating the cyber defense ecosystem that protects us all
Leading security firms and enterprises join OpenAI’s Trusted Access for Cyber, using GPT-5. 4-Cyber and $10M in API grants to strengthen global cyber defense.
OpenAI Blog
Feb 5
Introducing Trusted Access for Cyber
OpenAI introduces Trusted Access for Cyber, a trust-based framework that expands access to frontier cyber capabilities while strengthening safeguards against misuse.
OpenAI Blog
Aug 10
Expanding Daybreak as the Cyber Defense Window Narrows
Meet GPT-5. 6-Cyber, OpenAI’s cybersecurity-specific model available through Daybreak Red for authorized vulnerability research, exploit validation, and security testing.
OpenAI Blog
Jun 1, 2023
OpenAI Cybersecurity Grant Program
Our goal is to facilitate the development of AI-powered cybersecurity capabilities for defenders through grants and other support.
OpenAI Blog
Dec 18, 2025
Introducing GPT-5.2-Codex
GPT-5. 2-Codex is OpenAI’s most advanced coding model, offering long-horizon reasoning, large-scale code transformations, and enhanced cybersecurity capabilities.
OpenAI Blog
Dec 10, 2025
Strengthening cyber resilience as AI capabilities advance
OpenAI is investing in stronger safeguards and defensive capabilities as AI models become more powerful in cybersecurity. We explain how we assess risk, limit misuse, and work with the security community to strengthen cyber resilience.
OpenAI Blog
Aug 7
Responding to the next frontier of critical cyber capabilities
OpenAI is sharing preliminary cybersecurity evaluations for Astra and the steps we’re taking to strengthen safeguards and security controls.
OpenAI Blog
Aug 17
The Defender’s Window
AI is reshaping cybersecurity for attackers and defenders alike. Learn how OpenAI is strengthening its defenses and what security teams can do now.
OpenAI Blog
Jun 26
Previewing GPT-5.6 Sol: a next-generation model
OpenAI previews GPT-5. 6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.
OpenAI Blog
Sep 23
OpenAI extends cyber access to Ukraine for civilian defense
OpenAI is extending access to its Daybreak program to the Government of Ukraine. The extension is aimed at supporting the cyber defense of civilian infrastructure. This move provides Ukraine with additional tools to protect critical systems from cyber threats.
OpenAI Blog
Sep 10
Expanding AI access and cyber defense for federal, state, local, and tribal governments
OpenAI and the General Services Administration (GSA) will provide eligible federal, state, local, and tribal governments with free license fees and a 50% discount on usage for OpenAI’s services. Additionally, the partnership will expand cyber defense support for these governments. This initiative aims to increase AI accessibility and strengthen cybersecurity for public sector entities.