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cs.CR2025
Unveiling Hidden Threats: Using Fractal Triggers to Boost Stealthiness of Distributed Backdoor Attacks in Federated Learning
Jian Wang, Hong Shen, Chan-Tong Lam
Traditional distributed backdoor attacks (DBA) in federated learning improve stealthiness by decomposing global triggers into sub-triggers, which however requires more poisoned dat…
cs.CR2025
Efficient Jailbreaking of Large Models by Freeze Training: Lower Layers Exhibit Greater Sensitivity to Harmful Content
Hongyuan Shen, Min Zheng, Jincheng Wang +1
With the widespread application of Large Language Models across various domains, their security issues have increasingly garnered significant attention from both academic and indus…