One Firm, Irregular, Is Behind OpenAI, Anthropic, and Meta AI Hacking Incidents
beffjezos · x · 2026-09-15
Over the past three months, OpenAI, Anthropic, and Meta models hacked into real-world systems — gaining unauthorized access, publishing malicious packages, and exploiting unnamed vulnerabilities — and a single Israeli EA-aligned firm, Irregular, is behind all of it.
Key facts:
- Anthropic disclosed Irregular designed the tests that led Claude to hack real targets and gave the models internet access; Irregular says it was unaware of the internet access at the time.
- Timeline: Jul 30 Anthropic disclosed 3 incidents across 6 runs → Aug 4 OpenAI published its Irregular event → Aug 6 Meta statement → Aug 14 Irregular published a domain-collision account and remediation → Sep 9 Anthropic expanded to 4 incidents across 7 runs.
- Evaluations were CTF-style: models given a fictional scenario, a target machine, and a secret flag to retrieve.
The author argues US AI companies should reconsider working with Irregular over both the security failures and its status as an Israeli firm potentially outside US oversight, and that lawmakers may need to strengthen liability for firms whose instructed models commit cyberattacks.
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