OpenAI expands Trusted Access with GPT-5.5 and GPT-5.5-Cyber
OpenAI has announced an expansion of its Trusted Access program with the rollout of GPT-5.5 alongside a domain-specialized GPT-5.5-Cyber model. The initiative focuses on enabling verified cybersecurity professionals to leverage advanced AI assistance specifically for vulnerability research, threat analysis, and defensive operations.
The new offering emphasizes both capability and responsibility. By making GPT-5.5-Cyber available to vetted defenders, OpenAI aims to accelerate routine and complex security tasks—such as triage, exploit analysis, and patch prioritization—while keeping powerful capabilities out of general circulation to reduce misuse.
Practical benefits include faster vulnerability discovery cycles, improved defensive tooling, and stronger protection for critical infrastructure. Trusted Access combines specialized model behavior with access controls and verification workflows so organizations can adopt AI-assisted security practices with greater confidence.
Overall, the expansion represents a promising step toward empowering the cybersecurity community with cutting-edge AI while maintaining safeguards. Trusted Access for Cyber highlights how targeted, responsible deployment of models can deliver tangible defensive value at scale.