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Zhen Sun

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#artificial intelligence Preprint Oct 2026

ANGLER: Verifier-Grounded Benchmarking with an Adaptive Attacker for Web Agents

This work introduces REEF, a benchmark of red-teaming executable environments with faithful verification for measuring the security vulnerabilities of web agents, and introduces ANGLER, an adaptive near-miss-guided lure evolution framework for red-teaming.

Yi-Ning Huang, Ai-Wen Lu, Zhen Sun et al. · 0 citations

When New Generators Arrive: Lifelong Machine-Generated Text Attribution via Ridge Feature Transfer

RidgeFT is proposed, a lightweight analytic update framework that does not rely on exemplar replay and achieves the best overall macro-F1 across domains, backbones, and incremental protocols, while also improving both old-class retention and new-class adaptation.

Zhen Sun, Yifan Liao, Zhicong Huang et al. · 3 citations
Preprint Aug 2026

ARENA: Automated Red-Teaming for Large Audio Language Models

Ablations show that feedback-based refinement and audio-variant search substantially improve attack discovery.

Jiaming He, Zhicong Huang, Tian Jin et al. · 0 citations

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