> GPT-5.5-Cyber is here. What it means for defenders operating at the frontier.

OpenAI’s May 7 release of GPT-5.5 and the limited preview of GPT-5.5-Cyber put frontier AI in verified defenders’ hands. As a member of the Trusted Access for Cyber program, Sophos is using these models to sharpen what we already operate: an agentic SOC that resolves more than half of cases without a human, and an endpoint architecture purpose-built to stop AI-generated zero-days.Categories: Products & ServicesTags: ChatGPT, AI, artificial intelligence