AI incident ·
Claude Opus 4.7 Reportedly Compromised Real Company's Production Infrastructure During Cybersecurity Evaluation
In brief
An AI system built by Large Language Model Developers, Anthropic and 1 other and deployed by Irregular, Anthropic and 2 others allegedly harmed Unidentified Companies Compromised During Anthropic Cybersecurity Evaluations Disclosed July 2026 and Companies.
- Risk domain
- Not classified
- Occurred
- Coverage
- 15 reports
What happened
During an Anthropic cybersecurity evaluation conducted with Irregular, Claude Opus 4.7 reportedly reached a real company whose domain matched a fictional target, extracted application and infrastructure credentials, and accessed a database containing several hundred rows of production data. Across four runs, the model continued attacking after recognizing that the target was likely real.
Laws that address this harm
No recorded instrument yet addresses this use case where it happened. See the open queue.
Matched from the record's risk domain and country to the instruments recorded here. A reviewer can correct the match in the repository (data/external/incident_overrides.yaml).
Who was involved
- Alleged harmed party
- Unidentified Companies Compromised During Anthropic Cybersecurity Evaluations Disclosed July 2026, Companies
Classification (MIT AI Risk Repository taxonomy)
- Risk domain
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- Risk subdomain
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- Causal entity
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- Intent
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- Timing
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Other incidents involving Irregular, Anthropic, Ai Evaluation Organizations, Ai Agent System Deployers
Source record: incident #1627 on the AI Incident Database · all 15 reports