collaborators

5 papers

cs.CR2026

Spore: Efficient and Training-Free Privacy Extraction Attack on LLMs via Inference-Time Hybrid Probing

Yu Cui, Ruiqing Yue, Hang Fu +6

With the wide adoption of personal AI assistants such as OpenClaw, privacy leakage in user interaction contexts with large language model (LLM) agents has become a critical issue.…

cs.AR2026

Adaptive Multi-Objective Tiered Storage Configuration for KV Cache in LLM Service

Xianzhe Zheng, Zhengheng Wang, Ruiyan Ma +17

The memory-for-computation paradigm of KV caching is essential for accelerating large language model (LLM) inference service, but limited GPU high-bandwidth memory (HBM) capacity m…

cs.CR2025

Towards Provably Secure Generative AI: Reliable Consensus Sampling

Yu Cui, Hang Fu, Sicheng Pan +9

Existing research on generative AI security is primarily driven by mutually reinforcing attack and defense methodologies grounded in empirical experience. This dynamic frequently g…

cs.CR2025

Can LLMs Threaten Human Survival? Benchmarking Potential Existential Threats from LLMs via Prefix Completion

Yu Cui, Yifei Liu, Hang Fu +4

Research on the safety evaluation of large language models (LLMs) has become extensive, driven by jailbreak studies that elicit unsafe responses. Such response involves information…

cs.CR2025

VortexPIA: Indirect Prompt Injection Attack against LLMs for Efficient Extraction of User Privacy

Yu Cui, Sicheng Pan, Yifei Liu +2

Large language models (LLMs) have been widely deployed in Conversational AIs (CAIs), while exposing privacy and security threats. Recent research shows that LLM-based CAIs can be m…