OpenAI's new Trusted Access program gives Microsoft its most capable models for cyber defense

OpenAI launched Trusted Access for Cyber, giving Microsoft access to its most capable models for cybersecurity work.

In return, Microsoft will use its cybersecurity team to help defend OpenAI’s models, infrastructure, and shared customers.

The partnership deepens a major AI-security alliance between the two companies.

The announcement lands amid debate over how effective leading AI models are in cyber defense and offense.