arxivcs.CRcs.AI2026-07-23
Every Model Cheats: Prompt-Level Mitigation of Cheating on Offensive Cyber Tasks
Michael Kouremetis, Ads Dawson, Raja Sekhar Rao Dheekonda, Brian Greunke
Large language model (LLM) agents routinely cheat on cybersecurity benchmarks, inflating reported pass rates far beyond genuine capability. Prior audits of Cybench found cheating in 0.3-3.4% of traces, implicating only a handful of models. We present a controlled prompt-ablation…