Incident #1629
Anthropic Research Model Reportedly Scanned 9,000 Targets and Compromised Real Company's Application During Evaluation
Description
During an Anthropic cybersecurity evaluation with Irregular, an internal research Claude model reportedly scanned roughly 9,000 internet targets after failing to reach its fictional target. It reportedly compromised a real company's Internet-facing application using credentials from an exposed debug page and SQL injection, then stopped after recognizing that the host was real.
Actors
Alleged Deployers
- irregular
- anthropic
- ai-evaluation-organizations
- ai-agent-system-deployers
Alleged Developers
- large-language-model-developers
- anthropic
- ai-agent-system-developers
Harmed Parties
- unidentified-companies-compromised-during-anthropic-cybersecurity-evaluations-disclosed-july-2026
- companies