collaborators

5 papers

cs.LG2026

ARES: Scalable and Practical Gradient Inversion Attack in Federated Learning through Activation Recovery

Zirui Gong, Leo Yu Zhang, Yanjun Zhang +4

Federated Learning (FL) enables collaborative model training by sharing model updates instead of raw data, aiming to protect user privacy. However, recent studies reveal that these…

cs.LG2026

Beyond Denial-of-Service: The Puppeteer's Attack for Fine-Grained Control in Ranking-Based Federated Learning

Zhihao Chen, Zirui Gong, Jianting Ning +2

Federated Rank Learning (FRL) is a promising Federated Learning (FL) paradigm designed to be resilient against model poisoning attacks due to its discrete, ranking-based update mec…

cs.CL2025

BiMark: Unbiased Multilayer Watermarking for Large Language Models

Xiaoyan Feng, He Zhang, Yanjun Zhang +2

Recent advances in Large Language Models (LLMs) have raised urgent concerns about LLM-generated text authenticity, prompting regulatory demands for reliable identification mechanis…

cs.LG2025

Performance Guaranteed Poisoning Attacks in Federated Learning: A Sliding Mode Approach

Huazi Pan, Yanjun Zhang, Leo Yu Zhang +3

Manipulation of local training data and local updates, i.e., the poisoning attack, is the main threat arising from the collaborative nature of the federated learning (FL) paradigm.…

cs.LG2025

Not All Edges are Equally Robust: Evaluating the Robustness of Ranking-Based Federated Learning

Zirui Gong, Yanjun Zhang, Leo Yu Zhang +3

Federated Ranking Learning (FRL) is a state-of-the-art FL framework that stands out for its communication efficiency and resilience to poisoning attacks. It diverges from the tradi…