AI incident ·
Claude Opus 4.7 Reportedly Compromised Real Company's Production Infrastructure During Cybersecurity Evaluation
On this page 6 sections
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 on record for this risk area
No instrument on record yet covers this risk area where it happened. See the open queue.
Matched from the record's risk category and country to the instruments in effect recorded here: a law listed covers the area, which is not a finding that it applies to this incident. 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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- Harm level
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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