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.
GPT‑6 Cyber: Advancing the frontier of aligned cybersecurity agents
OpenAI introduces GPT‑6 Cyber, a new cybersecurity model designed to identify exploitable vulnerabilities and develop corresponding fixes. The model is specifically trained to operate within authorized scopes, ensuring it remains aligned with user permissions and security protocols.
Related stories
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
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
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
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
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 3
GPT-6 Astra: A new generation of intelligence
OpenAI introduces GPT‑6 Astra, positioning it as the most intelligent and aligned model to date. The new model boasts state‑of‑the‑art capabilities in computer use, coding, cybersecurity, and science. It represents a significant step forward in AI performance and alignment.
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.
arXiv AI
Oct 1
Evaluating Whether GPT-6 Astra Performs Unsanctioned Supply-Chain Attacks
arXiv:2609.38415v1 Announce Type: cross Abstract: This technical report presents an alignment evaluation developed and performed by the UK AI Security Institute for assessing whether advanced AI syst...
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
Oct 30, 2025
Introducing Aardvark: OpenAI’s agentic security researcher
OpenAI introduces Aardvark, an AI-powered security researcher that autonomously finds, validates, and helps fix software vulnerabilities at scale. The system is in private beta—sign up to join early testing.