OpenAI Blog
Jun 22
Daybreak: Tools for securing every organization in the world
OpenAI introduces new Daybreak tools, including Codex Security and GPT-5. 5-Cyber, to help organizations find, validate, and patch vulnerabilities at scale.
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.
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OpenAI Blog
Apr 14
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.
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.
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
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
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
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
Aug 10
Putting frontier cyber models in more trusted hands
Approved Daybreak partners can use OpenAI’s frontier cyber models to deliver authorized, governed cybersecurity services to customers.
OpenAI Blog
Aug 11
Daybreak models are now available on AWS
OpenAI and AWS are making Daybreak cybersecurity capabilities available through Amazon Bedrock to support enterprise security workflows.
OpenAI Blog
Jun 22
Patch the Planet: a Daybreak initiative to support open source maintainers
OpenAI introduces Patch the Planet, a Daybreak initiative helping open-source maintainers find, validate, and fix vulnerabilities with AI and expert review.
OpenAI Blog
Sep 3
Daybreak for Frontline Defenders: $1B to protect essential services
OpenAI has launched Daybreak for Frontline Defenders, a program that commits $1 billion to expand access to frontier cyber AI, training, and support for essential services. The initiative aims to strengthen the cybersecurity capabilities of frontline defenders by providing advanced tools and resources. It represents a significant investment in protecting critical infrastructure and services from cyber threats.
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.