3 papers
cs.CR2026
Behavioral Skill Reconstruction: Reconstructing Hidden Functionality from LLM Agent Skills
Peichun Hua, Haoxuan Xu, Mengyuan Li
Closed source agent skills may encode proprietary instructions, scripts, constants, and data. Providers may offer their capabilities as services while keeping the underlying packag…
cs.CR2026
A Unified Open-Set Framework for Scalable PUF-Based Authentication of Heterogeneous IoT Devices
Xin Wang, Peichun Hua, Chip Hong Chang +2
As modern cyber systems scale to include large populations of heterogeneous IoT devices, securing them against impersonation and forgery is a critical cybersecurity challenge. Phys…
cs.CR2026
Rethinking Jailbreak Detection of Large Vision Language Models with Representational Contrastive Scoring
Peichun Hua, Hao Li, Shanghao Shi +2
Large Vision-Language Models (LVLMs) are vulnerable to a growing array of multimodal jailbreak attacks, necessitating defenses that are both generalizable to novel threats and effi…