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Federated Learning (FL) aims to protect data privacy by enabling clients to collectively train machine learning models without sharing their raw data. However, recent studies demonstrate that information exchanged during FL is subject to…

Machine Learning · Computer Science 2024-12-11 Pengxin Guo , Shuang Zeng , Wenhao Chen , Xiaodan Zhang , Weihong Ren , Yuyin Zhou , Liangqiong Qu

Protecting sensitive health data while enabling collaborative analysis is a central challenge in healthcare. Traditional machine learning (ML) requires institutions to pool anonymized patient records, centralizing analytical development and…

Machine Learning · Computer Science 2026-05-05 Gaurang Sharma , Juha Pajula , Aada Illikainen , Markus Rautell , Noora Lipsonen , Petri Alhainen , Mika Hilvo

Federated learning (FL) shows great promise in large scale machine learning, but brings new risks in terms of privacy and security. We propose ByITFL, a novel scheme for FL that provides resilience against Byzantine users while keeping the…

Information Theory · Computer Science 2025-06-16 Yue Xia , Christoph Hofmeister , Maximilian Egger , Rawad Bitar

Federated Learning (FL) has been proposed as a privacy-preserving solution for distributed machine learning, particularly in heterogeneous FL settings where clients have varying computational capabilities and thus train models with…

Machine Learning · Computer Science 2025-03-11 Gergely Dániel Németh , Miguel Ángel Lozano , Novi Quadrianto , Nuria Oliver

Federated Learning (FL) is a widely adopted privacy-preserving machine learning approach where private data remains local, enabling secure computations and the exchange of local model gradients between local clients and third-party…

Machine Learning · Computer Science 2025-08-04 Hanchi Ren , Jingjing Deng , Xianghua Xie

Federated Learning (FL) is a collaborative scheme to train a learning model across multiple participants without sharing data. While FL is a clear step forward towards enforcing users' privacy, different inference attacks have been…

Cryptography and Security · Computer Science 2024-03-04 Théo Jourdan , Antoine Boutet , Carole Frindel

Federated learning (FL) enables distributed computation of machine learning models over various disparate, remote data sources, without requiring to transfer any individual data to a centralized location. This results in an improved…

As privacy concerns continue to grow, federated learning (FL) has gained significant attention as a promising privacy-preserving technology, leading to considerable advancements in recent years. Unlike traditional machine learning, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-05 Boyu Fan , Siyang Jiang , Xiang Su , Sasu Tarkoma , Pan Hui

Federated learning (FL) is an emerging distributed machine learning framework for collaborative model training with a network of clients (edge devices). FL offers default client privacy by allowing clients to keep their sensitive data on…

Machine Learning · Computer Science 2020-04-24 Wenqi Wei , Ling Liu , Margaret Loper , Ka-Ho Chow , Mehmet Emre Gursoy , Stacey Truex , Yanzhao Wu

Federated Learning (FL) is a Machine Learning (ML) technique that aims to reduce the threats to user data privacy. Training is done using the raw data on the users' device, called clients, and only the training results, called gradients,…

Cryptography and Security · Computer Science 2022-07-18 Sneha Kanchan , Jae Won Jang , Jun Yong Yoon , Bong Jun Choi

This paper introduces a privacy-preserving distributed learning framework via private-key homomorphic encryption. Thanks to the randomness of the quantization of gradients, our learning with error (LWE) based encryption can eliminate the…

Cryptography and Security · Computer Science 2024-02-05 Guangfeng Yan , Shanxiang Lyu , Hanxu Hou , Zhiyong Zheng , Linqi Song

Federated Learning (FL) emerged as a learning method to enable the server to train models over data distributed among various clients. These clients are protective about their data being leaked to the server, any other client, or an…

Machine Learning · Computer Science 2025-01-27 Uday Bhaskar , Varul Srivastava , Avyukta Manjunatha Vummintala , Naresh Manwani , Sujit Gujar

Federated learning is a promising distributed learning paradigm that enables collaborative model training without exposing local client data, thereby protecting data privacy. However, it also brings new threats and challenges. The…

Cryptography and Security · Computer Science 2026-04-14 Nina Cai , Jinguang Han , Weizhi Meng

Federated Learning enables diverse devices to collaboratively train a shared model while keeping training data locally stored, avoiding the need for centralized cloud storage. Despite existing privacy measures, concerns arise from potential…

Machine Learning · Computer Science 2024-07-29 Elie Atallah

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…

Cryptography and Security · Computer Science 2022-07-20 Hua Ma , Qun Li , Yifeng Zheng , Zhi Zhang , Xiaoning Liu , Yansong Gao , Said F. Al-Sarawi , Derek Abbott

Federated learning (FL) is a distributed machine learning strategy that enables participants to collaborate and train a shared model without sharing their individual datasets. Privacy and fairness are crucial considerations in FL. While FL…

Machine Learning · Computer Science 2023-05-24 Ayush K. Varshney , Sonakshi Garg , Arka Ghosh , Sargam Gupta

A key feature of federated learning (FL) is to preserve the data privacy of end users. However, there still exist potential privacy leakage in exchanging gradients under FL. As a result, recent research often explores the differential…

Cryptography and Security · Computer Science 2024-03-20 Yuntao Wang , Zhou Su , Yanghe Pan , Tom H Luan , Ruidong Li , Shui Yu

Federated learning (FL) has attracted widespread attention because it supports the joint training of models by multiple participants without moving private dataset. However, there are still many security issues in FL that deserve…

Cryptography and Security · Computer Science 2024-05-08 Huang Zeng , Anjia Yang , Jian Weng , Min-Rong Chen , Fengjun Xiao , Yi Liu , Ye Yao

A Generative Adversarial Network (GAN) is a deep-learning generative model in the field of Machine Learning (ML) that involves training two Neural Networks (NN) using a sizable data set. In certain fields, such as medicine, the training…

Cryptography and Security · Computer Science 2022-07-04 Ignjat Pejic , Rui Wang , Kaitai Liang

Federated Learning (FL) is a machine learning paradigm to conduct collaborative learning among clients on a joint model. The primary goal is to share clients' local training parameters with an integrating server while preserving their…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Mahdi Ghafourian , Julian Fierrez , Ruben Vera-Rodriguez , Ruben Tolosana , Aythami Morales