OpenAI faces California DOJ subpoena amid growing cybersecurity incident notices

California's Attorney General served OpenAI an investigative subpoena as part of an ongoing probe into the company's cybersecurity practices, following a series of security incidents involving its AI models impacting third-party systems. This comes amid broader regulatory scrutiny from the US FTC and a White House-led nonbinding AI safety framework involving major AI firms.

This Wire brief sits within Fusion42's coverage of AI & ML, and 4 sources have reported it between 1 Oct 2026 and 5 Oct 2026.