AI regulation

OpenAI announced GPT-5.5-Cyber is rolling out in limited preview to vetted cybersecurity teams and is in discussions with the European Commission about preview access. Anthropic released its Mythos model a month ago but has yet to grant EU access for security review.

Federal Reserve Chairman Jerome Powell and Treasury Secretary Scott Bessent met with major U.S. bank CEOs this week to assess cyber risks from Anthropic's newly released Mythos model. Anthropic deployed Mythos in limited capacity due to concerns that hackers could exploit its capabilities.