Author

Xiao-Fan Yang

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Preprint Sep 2026

Defense-as-Skill: Evolving Runtime Guard Skill for Skill-Augmented Agents

Skill-augmented agents load reusable skills as persistent runtime context, improving task performance but also giving malicious skills a durable channel for steering future actions. Such skills may leak secrets, corrupt code, bypass approvals, or stage data for exfiltration only after a concrete user task and workspace...

Xiao-Fan Yang, Ziqi Miao, Chen Qian et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Defense-as-Skill: Evolving Runtime Guard Skill for Skill-Augmented Agents

This work proposes Defense-as-Skill, a defense paradigm that implements the runtime guard itself as an installable, inspectable, and editable skill, and demonstrates transfer across victim models, held-out risk families, and external benchmarks, as well as retained protection against adaptive attackers.

Xiao-Fan Yang, Ziqi Miao, Dian-Bo Sui et al. · 0 citations