Cases · Developer or organisation: Anthropic · Quarter of the earliest source we hold: 2025-Q3
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| 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 |
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