Cases · Stage of use: in live use · Developer or organisation: Anthropic · What went wrong: security breach
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| 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 |
| Claude sandbox DNS exfiltration via indirect prompt injection from Google Drive document Anthropicmoderate · earliest source 2026-08-27 | security breach | moderate | 2026-08-27 |
| Anthropic disclosed a cybercriminal using Claude Code to automate data theft and extortion across at least 17 organizations Anthropicmajor · earliest source 2025-08-27 | security breach | major | 2025-08-27 |
Showing 1–3 of 3. Or take the JSON.