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The idea of federated learning is to collaboratively train a neural network on a server. Each user receives the current weights of the network and in turns sends parameter updates (gradients) based on local data. This protocol has been…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Jonas Geiping , Hartmut Bauermeister , Hannah Dröge , Michael Moeller

In personalized Federated Learning (pFL), high data heterogeneity can cause significant gradient divergence across devices, adversely affecting the learning process. This divergence, especially when gradients from different users form an…

机器学习 · 计算机科学 2024-10-07 Minh Duong Nguyen , Khanh Le , Khoi Do , Nguyen H. Tran , Duc Nguyen , Chien Trinh , Zhaohui Yang

Federated learning is a decentralized learning paradigm introduced to preserve privacy of client data. Despite this, prior work has shown that an attacker at the server can still reconstruct the private training data using only the client…

密码学与安全 · 计算机科学 2024-03-28 Joshua C. Zhao , Ahaan Dabholkar , Atul Sharma , Saurabh Bagchi

Federated Learning (FL) plays a critical role in distributed systems. In these systems, data privacy and confidentiality hold paramount importance, particularly within edge-based data processing systems such as IoT devices deployed in smart…

机器学习 · 计算机科学 2024-03-08 Humaid Ahmed Desai , Amr Hilal , Hoda Eldardiry

Collaborative learning (CL) is a distributed learning framework that aims to protect user privacy by allowing users to jointly train a model by sharing their gradient updates only. However, gradient inversion attacks (GIAs), which recover…

密码学与安全 · 计算机科学 2024-01-31 Lulu Xue , Shengshan Hu , Ruizhi Zhao , Leo Yu Zhang , Shengqing Hu , Lichao Sun , Dezhong Yao

Major data protection regulations all mention the "right to be forgotten," and that's what pushed federated unlearning (FU) techniques forward. But one stubborn issue remains: catastrophic forgetting--you erase the target knowledge, yet…

机器学习 · 计算机科学 2026-05-27 Hangyi Shen , Yizhi Pan , Tiansuo Li , Weiqi Jiang , Guanqun Sun

We study federated unlearning, a novel problem to eliminate the impact of specific clients or data points on the global model learned via federated learning (FL). This problem is driven by the right to be forgotten and the privacy…

机器学习 · 计算机科学 2024-01-23 Youming Tao , Cheng-Long Wang , Miao Pan , Dongxiao Yu , Xiuzhen Cheng , Di Wang

Federated Unlearning (FU) is an emerging paradigm in Federated Learning (FL) that enables participating clients to fully remove their contributions from a trained global model, driven by data protection regulations that mandate the right to…

机器学习 · 计算机科学 2026-04-30 Zhaoyuan Cai , Xinglin Zhang

The effective detection of evidence of financial anomalies requires collaboration among multiple entities who own a diverse set of data, such as a payment network system (PNS) and its partner banks. Trust among these financial institutions…

Federated Learning (FL), a distributed machine learning paradigm, has been adapted to mitigate privacy concerns for customers. Despite their appeal, there are various inference attacks that can exploit shared-plaintext model updates to…

密码学与安全 · 计算机科学 2022-07-20 Hua Ma , Qun Li , Yifeng Zheng , Zhi Zhang , Xiaoning Liu , Yansong Gao , Said F. Al-Sarawi , Derek Abbott

Vertical Federated Learning (VFL) enables collaborative model training across organizations that share common user samples but hold disjoint feature spaces. Despite its potential, VFL is susceptible to feature inference attacks, in which…

机器学习 · 计算机科学 2025-12-16 Sindhuja Madabushi , Ahmad Faraz Khan , Haider Ali , Ananthram Swami , Rui Ning , Hongyi Wu , Jin-Hee Cho

Reconstruction attacks against federated learning (FL) aim to reconstruct users' samples through users' uploaded gradients. Local differential privacy (LDP) is regarded as an effective defense against various attacks, including sample…

密码学与安全 · 计算机科学 2025-02-13 Zhichao You , Xuewen Dong , Shujun Li , Ximeng Liu , Siqi Ma , Yulong Shen

Federated Learning (FL) is an emerging solution to the data scarcity problem for training deep learning models in hardware assurance. While FL is designed to enhance privacy by not sharing raw data, it remains vulnerable to Membership…

With increasing appealing to privacy issues in face recognition, federated learning has emerged as one of the most prevalent approaches to study the unconstrained face recognition problem with private decentralized data. However,…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Yifan Niu , Weihong Deng

Federated learning (FL) has emerged as a method to preserve privacy in collaborative distributed learning. In FL, clients train AI models directly on their devices rather than sharing data with a centralized server, which can pose privacy…

密码学与安全 · 计算机科学 2024-11-26 Haleh Hayati , Carlos Murguia , Nathan van de Wouw

Face Recognition systems are widely deployed in real-world applications, but they also raise privacy concerns due to unauthorized collection and misuse of facial data. Existing adversarial privacy protection methods rely on input-space…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jiabei Zhang , Ziyuan Yang , Andrew Beng Jin Teoh , Yi Zhang

Federated Learning (FL) facilitates collaborative model training among distributed clients while ensuring that raw data remains on local devices.Despite this advantage, FL systems are still exposed to risks from malicious or unreliable…

密码学与安全 · 计算机科学 2026-01-30 Deepthy K Bhaskar , Minimol B , Binu V P

Decentralized federated learning (DFL) is inherently vulnerable to data poisoning attacks, as malicious clients can transmit manipulated gradients to neighboring clients. Existing defense methods either reject suspicious gradients per…

机器学习 · 计算机科学 2025-07-08 Bin Li , Xiaoye Miao , Yan Zhang , Jianwei Yin

In the effort to learn from extensive collections of distributed data, federated learning has emerged as a promising approach for preserving privacy by using a gradient-sharing mechanism instead of exchanging raw data. However, recent…

Graph federated learning is of essential importance for training over large graph datasets while protecting data privacy, where each client stores a subset of local graph data, while the server collects the local gradients and broadcasts…

机器学习 · 计算机科学 2025-08-05 Divya Anand Sinha , Ruijie Du , Yezi Liu , Athina Markopolou , Yanning Shen