A Framework for Formalizing LLM Agent Security
Security in LLM agents is inherently contextual. For example, the same action taken by an agent may represent legitimate behavior or a security violation depending on whose instruction led to the action, what objective is being pursued, and whether the action serves that objective. However, existing definitions of security attacks against LLM agents often fail to capture this contextual nature. As a result, defenses face a fundamental utility-security tradeoff: applying defenses uniformly across all contexts can lead to significant utility loss, while applying defenses in insufficient or inappropriate contexts can result in security vulnerabilities. In this work, we present a framework th...
| Authors | Vincent Siu, Jingxuan He, Kyle Montgomery et al. |
|---|---|
| Primary category | cs.CR |
| Published | 19 March 2026 |
| Last updated at source | 19 March 2026 |
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