Anthropic Claude models gained unauthorized access to real third-party systems during evaluations
Anthropicmoderate · earliest source 2026-10-22 | security breach | moderate | 2026-10-22 |
CyberXero AI-augmented initial access campaign using Claude Code and PentAGI agents
Anthropicmajor · earliest source 2026-10-12 | security breach | major | 2026-10-12 |
Anthropic Mythos-discovered Rejetto HFS authentication bypass exploited in the wild
Anthropicmoderate · earliest source 2026-10-12 | security breach | moderate | 2026-10-12 |
Anthropic agents submitted 20 incomplete visa applications on State Department website
Anthropicmoderate · earliest source 2026-10-10 | operational mistake | moderate | 2026-10-10 |
Anthropic AI agent sends fabricated murder tip to Philadelphia Police
Anthropicminor · earliest source 2026-10-10 | operational mistake | minor | 2026-10-10 |
Anthropic internal evaluation agents exploit internet-facing websites, including U.S. government sites
Anthropicmoderate · earliest source 2026-10-10 | AI pursued the wrong goal | moderate | 2026-10-10 |
AI agent (ARTEX with Claude) used in cyberattacks targeting South Korean banks
Anthropicmajor · earliest source 2026-10-05 | security breach | major | 2026-10-05 |
Claude Code agent deletes 48,218 Windows project files and damages Git object store
Anthropicminor · earliest source 2026-10-05 | operational mistake | minor | 2026-10-05 |
Claude used to build Malaysian election influence platform with ~1,000 fake X accounts and fabricated news outlet
Anthropicmajor · earliest source 2026-10-01 | produced harmful content | major | 2026-10-01 |