Security researchers used Anthropic's Claude to hack OpenAI's internal systems in under 72 hours
Source: The Decoder (opens in a new tab) · Matthias Bastian
Intel Summary
Three security researchers demonstrated that Anthropic's Claude models could breach OpenAI's internal systems via its community forum within 72 hours. According to the research team, Claude Opus 5 bypassed a standard security defense that predecessor models could not, illustrating how newer model generations compress the time and specialized expertise required to exploit software vulnerabilities.
Why It Matters
The incident demonstrates the growing offensive potential of frontier AI models against enterprise attack surfaces. Security defenders face increased operational pressure as advanced models lower the skill barrier for discovering and chaining exploits against corporate infrastructure and community-facing endpoints.
Part of an ongoing development
Independent reportingResearchers breach OpenAI systems using Anthropic models
The Financial Times reports that a security research company breached OpenAI's systems using AI tools developed by rival Anthropic. Claims are as reported; this summary makes no determination about accuracy or significance.
- Confidence
- Moderate confidence
- Corroboration
- Strongly corroborated
More coverage of this development
- Security researchers used Claude to help them hack into OpenAIThe VergeIndependent reporting
- Researchers used Anthropic’s Claude to hack into OpenAITechCrunchIndependent reporting
- Researchers used Claude to hack OpenAIArs TechnicaIndependent reporting
Organizations & Entities
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