INCIDENT EVIDENCE GRAPH

Prompted by OpenAI Disclosure, Anthropic Finds Its Own Models Hacked 3 Organizations

2026-07-31T09:39:57Z

A security company’s systems were hacked after it installed a malicious Python package deployed by Claude. The post Prompted by OpenAI Disclosure, Anthropic Finds Its Own Models Hacked 3 Organizations appeared first on SecurityWeek .

• Victim: 3 organizations
• Exploit: malicious Python package
• Method: installation of a malicious Python package deployed by Claude

Primary evidence

1. Prompted by OpenAI Disclosure, Anthropic Finds Its Own Models Hacked 3 Organizations

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