Cases · Developer or organisation: Anthropic · Severity: major · Where it happened: company using AI
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| CyberXero AI-augmented initial access campaign using Claude Code and PentAGI agents Anthropicmajor · earliest source 2026-10-12 | security breach | major | 2026-10-12 |
| 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 used by Yemen-based actors to develop guided-weapon GNC software Anthropicmajor · earliest source 2026-09-14 | produced harmful content | major | 2026-09-14 |
| Aur0ra hackers use Cursor AI agent to breach Belgian chemical firm and at least six other companies Anthropicmajor · earliest source 2026-09-01 | security breach | major | 2026-09-01 |
| Cursor coding agent deletes PocketOS production database and backups Anthropicmajor · earliest source 2026-04-27 | operational mistake | major | 2026-04-27 |
Showing 1–5 of 5. Or take the JSON.