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Related papers: Mitigating Malicious Attacks in Federated Learning…

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In federated learning (FL), robust aggregation schemes have been developed to protect against malicious clients. Many robust aggregation schemes rely on certain numbers of benign clients being present in a quorum of workers. This can be…

Machine Learning · Computer Science 2021-12-21 Giulio Zizzo , Ambrish Rawat , Mathieu Sinn , Sergio Maffeis , Chris Hankin

Federated learning (FL) provides a high efficient decentralized machine learning framework, where the training data remains distributed at remote clients in a network. Though FL enables a privacy-preserving mobile edge computing framework…

Machine Learning · Computer Science 2022-01-11 Xingyu Li , Zhe Qu , Shangqing Zhao , Bo Tang , Zhuo Lu , Yao Liu

Federated learning (FL) is a decentralized machine learning technique that allows multiple entities to jointly train a model while preserving dataset privacy. However, its distributed nature has raised various security concerns, which have…

Cryptography and Security · Computer Science 2025-01-06 Nuno Neves

Federated learning is a decentralized machine learning approach where clients train models locally and share model updates to develop a global model. This enables low-resource devices to collaboratively build a high-quality model without…

Cryptography and Security · Computer Science 2024-12-10 Li Bai , Haibo Hu , Qingqing Ye , Haoyang Li , Leixia Wang , Jianliang Xu

Federated learning allows clients to collaboratively train a global model without uploading raw data for privacy preservation. This feature, i.e., the inability to review participants' datasets, has recently been found responsible for…

Machine Learning · Computer Science 2023-12-19 Yihang Lin , Pengyuan Zhou , Zhiqian Wu , Yong Liao

Federated learning (FL) is vulnerable to poisoning attacks, where malicious clients upload manipulated updates to degrade the performance of the global model. Although detection methods can identify and remove malicious clients, the model…

Machine Learning · Computer Science 2026-05-05 Wenwei Zhao , Xiaowen Li , Yao Liu , Zhuo Lu

Federated learning (FL) is a distributed learning process that uses a trusted aggregation server to allow multiple parties (or clients) to collaboratively train a machine learning model without having them share their private data. Recent…

Cryptography and Security · Computer Science 2023-10-04 Jorge Castillo , Phillip Rieger , Hossein Fereidooni , Qian Chen , Ahmad Sadeghi

As a distributed machine learning paradigm, Federated Learning (FL) enables large-scale clients to collaboratively train a model without sharing their raw data. However, due to the lack of data auditing for untrusted clients, FL is…

Machine Learning · Computer Science 2025-09-10 Yanxin Yang , Ming Hu , Xiaofei Xie , Yue Cao , Pengyu Zhang , Yihao Huang , Mingsong Chen

Federated learning (FL) is a collaborative learning paradigm allowing multiple clients to jointly train a model without sharing their training data. However, FL is susceptible to poisoning attacks, in which the adversary injects manipulated…

Cryptography and Security · Computer Science 2024-01-17 Hossein Fereidooni , Alessandro Pegoraro , Phillip Rieger , Alexandra Dmitrienko , Ahmad-Reza Sadeghi

Federated Learning (FL) is an emerging distributed machine learning paradigm enabling multiple clients to train a global model collaboratively without sharing their raw data. While FL enhances data privacy by design, it remains vulnerable…

Motivated by the ever-increasing concerns on personal data privacy and the rapidly growing data volume at local clients, federated learning (FL) has emerged as a new machine learning setting. An FL system is comprised of a central parameter…

Cryptography and Security · Computer Science 2022-08-04 Xiang Ma , Haijian Sun , Rose Qingyang Hu , Yi Qian

Federated learning (FL) allows a set of agents to collaboratively train a model without sharing their potentially sensitive data. This makes FL suitable for privacy-preserving applications. At the same time, FL is susceptible to adversarial…

Machine Learning · Computer Science 2021-08-02 Mustafa Safa Ozdayi , Murat Kantarcioglu , Yulia R. Gel

Federated learning (FL) is vulnerable to poisoning attacks, where malicious clients manipulate their updates to affect the global model. Although various methods exist for detecting those clients in FL, identifying malicious clients…

Cryptography and Security · Computer Science 2024-01-22 Yu Jiang , Jiyuan Shen , Ziyao Liu , Chee Wei Tan , Kwok-Yan Lam

Given the distributed nature, detecting and defending against the backdoor attack under federated learning (FL) systems is challenging. In this paper, we observe that the cosine similarity of the last layer's weight between the global model…

Cryptography and Security · Computer Science 2023-04-11 Duygu Nur Yaldiz , Tuo Zhang , Salman Avestimehr

We investigate a specific security risk in FL: a group of malicious clients has impacted the model during training by disguising their identities and acting as benign clients but later switching to an adversarial role. They use their data,…

Machine Learning · Computer Science 2024-11-22 Yijiang Li , Ying Gao , Haohan Wang

Federated Learning (FL) is a popular distributed machine learning paradigm that enables jointly training a global model without sharing clients' data. However, its repetitive server-client communication gives room for backdoor attacks with…

Machine Learning · Computer Science 2023-01-20 Pei Fang , Jinghui Chen

Healthcare is one of the foremost applications of machine learning (ML). Traditionally, ML models are trained by central servers, which aggregate data from various distributed devices to forecast the results for newly generated data. This…

Machine Learning · Computer Science 2023-10-12 Sankalp Vyas , Amar Nath Patra , Raj Mani Shukla

This paper proposes a novel, data-agnostic, model poisoning attack on Federated Learning (FL), by designing a new adversarial graph autoencoder (GAE)-based framework. The attack requires no knowledge of FL training data and achieves both…

Machine Learning · Computer Science 2023-12-01 Kai Li , Jingjing Zheng , Xin Yuan , Wei Ni , Ozgur B. Akan , H. Vincent Poor

The distributed nature of training makes Federated Learning (FL) vulnerable to backdoor attacks, where malicious model updates aim to compromise the global model's performance on specific tasks. Existing defense methods show limited…

Machine Learning · Computer Science 2025-03-20 Jiahao Xu , Zikai Zhang , Rui Hu

Federated Learning (FL) is a new machine learning framework, which enables millions of participants to collaboratively train machine learning model without compromising data privacy and security. Due to the independence and confidentiality…

Machine Learning · Computer Science 2020-11-17 Anbu Huang