evaluation-task · Documentary review

Cybench: Capture-The-Flag Cybersecurity Challenges

Tests language models on cybersecurity skills using 39 of 40 practical, professional-level challenges taken from cybersecurity competitions, designed to cover various difficulty levels and security concepts. The motp challenge is excluded due to GPL licensing.

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OriginAndy K. Zhang, Neil Perry, Riya Dulepet et al.TopicsCyberStatusReviewed

Can support

Performance on CyBench's selected CTF tasks under the exact command environment, tools, scaffold, and budget.

Cannot support by itself

Real-world intrusion capability, stealth, persistence, target discovery, legal or organizational constraints, or operational cyber risk.

Decision use

Best used for

Comparing cyber-agent problem solving and analysing where long-horizon CTF trajectories fail.

Not enough for

Claims that a model can conduct real-world cyber operations or meets a deployment-risk threshold.

Original sources