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California Attorney General serves investigative subpoena on OpenAI over cyber incidents

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Source: California Attorney General: Bonta serves investigative subpoena on OpenAI

California Attorney General Rob Bonta served an investigative subpoena on OpenAI as part of his office’s investigation into incidents arising from OpenAI’s models, including the Hugging Face incident he announced a formal investigation into in September, and wider cybersecurity risks involving the company. The office did not publish what the subpoena seeks.

Why it matters

OpenAI faces compelled questions from its home-state attorney general over model containment failures, with Bonta saying developers that fail to manage these risks should be held legally accountable.

When
30 Sep 2026
ID
WTA-N-2026-0137
Who
California Department of Justice, OpenAI; Rob Bonta
Authority
California Attorney General
Target
OpenAI
Action
subpoena
Status
open · Enforcement ledger

Summary by wheresthe.ai, from California Attorney General. Checked against the source on 9 Oct 2026.

Read the original at California Attorney General

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: What happened nextOpenAI says it parted ways with three researchers over mishandled sensitive information

Cite this story

WTA-N-2026-0137: “California Attorney General serves investigative subpoena on OpenAI over cyber incidents.” wheresthe.ai, 30 Sep 2026. https://wheresthe.ai/d/us-ca-ag-subpoena-openai-cyber-incidents-2026-09/ (source: California Attorney General: Bonta serves investigative subpoena on OpenAI).

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