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Author

Zhikun Zhang

3 papers indexed here

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Preprint Sep 2026

MarkSec: Capability-Aware Evaluation of Adversarial Attacks Against LLM Watermarks

Results show that apparent attack winners depend on text-quality constraints, attack generality, and capability assumptions, and that apparent attack winners depend on text-quality constraints, attack generality, and capability assumptions.

Kai-Rong Li, Zhi-Kun Zhang, Xiao-Nan Ren et al. · 0 citations
Preprint Sep 2026

InceptionRAG: Stealthy Poisoning Attack Against Retrieval-Augmented Generation

Retrieval-augmented generation (RAG) systems enhance large language models (LLMs) with external knowledge but have been demonstrated to be vulnerable to corpus poisoning. Existing poisoning attacks against RAG largely focus on single-point explicit injection, where the malicious payload is fully encapsulated within a s...

Jia-Chang Zhang, Min Chen, Xiao-Nan Ren et al. · 0 citations
2026

Decision Boundary Drift: A Security, Privacy, and Trust Risk of Continual Learning for Agentic AI in Edge Networks

Continual learning (CL) is a key paradigm that enables intelligent agents to operate autonomously in edge networks over the long term. However, continuous model updates can lead to catastrophic forgetting and representation instability in edge deployment scenarios, which may further induce Decision Boundary Drift (DBD)...

Kaixiang Yang, Yue-Bin Xu, Zhi-Hao Li et al. · 0 citations

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