Author

Zhicong Huang

3 papers indexed here

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2026

DP2-RAG: An Efficient Full-Process Differential Privacy Implementation in Retrieval-Augmented Generation

As Retrieval-Augmented Generation (RAG) brings Large Language Models (LLMs) into contact with proprietary and user-specific knowledge bases in sensitive domains, protecting the privacy of both queries and knowledge content becomes a critical requirement. The RAG pipeline, however, exposes sensitive information at two d...

Yuxuan Cai, Chao-Xiang He, Hong-Sheng Hu et al. · IEEE Transactions on Informa... · 0 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

Preprint Aug 2026

DeepInvert: Semi-Supervised Embedding Inversion Against Obfuscated Language Models

This work presents DeepInvert, a semi-supervised embedding inversion attack that recovers original tokens from obfuscated representations with higher accuracy than prior methods, and reveals a task-dependent tension: obfuscation schemes preserving enough signal for utility also retain sufficient structure for inversion...

Zhicong Huang, Cheng Hong, Tao Wei · 0 citations