Lurking in the shadows: Unveiling Stealthy Backdoor Attacks against Personalized Federated Learning

Xiaoting Lyu, Beijing Jiaotong University; Yufei Han, INRIA; Wei Wang, Jingkai Liu, and Yongsheng Zhu, Beijing Jiaotong University; Guangquan Xu, Tianjin University; Jiqiang Liu, Beijing Jiaotong University; Xiangliang Zhang, University of Notre Dame