Low-confidence reports only · Anthropic
Claude Opus 4.7
Every report about Claude Opus 4.7 is low confidence, so it's hidden while you're viewing high- and medium-confidence reports.
Anthropic
Claude Opus 4.7
| League | Rank | FBS | Sentence-Years | Incidents |
|---|
| League | Rank | FBS | Sentence-Years | Incidents |
|---|---|---|---|---|
| Open League | #6 | 42 | 20 | 1 |
Standings include alleged incidents.
Record
| Date | Incident | League | Tier | Score |
|---|---|---|---|---|
| Before 23 July 2026 | In cybersecurity evaluations that were accidentally connected to the internet, Claude Opus 4.7 mistook a real company for its fictional target, extracted credentials, downloaded records from a production database, and modified them, across four separate evaluation runs.Low confidence | Open League | verified | 42 |