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Federated learning is a machine learning paradigm that emerges as a solution to the privacy-preservation demands in artificial intelligence. As machine learning, federated learning is threatened by adversarial attacks against the integrity…

We propose a novel framework to study asynchronous federated learning optimization with delays in gradient updates. Our theoretical framework extends the standard FedAvg aggregation scheme by introducing stochastic aggregation weights to…

机器学习 · 计算机科学 2022-06-22 Yann Fraboni , Richard Vidal , Laetitia Kameni , Marco Lorenzi

Federated Learning (FL) is a popular paradigm enabling clients to jointly train a global model without sharing raw data. However, FL is known to be vulnerable towards backdoor attacks due to its distributed nature. As participants,…

密码学与安全 · 计算机科学 2025-04-01 Xingyu Lyu , Ning Wang , Yang Xiao , Shixiong Li , Tao Li , Danjue Chen , Yimin Chen

In Federated Learning (FL) of click-through rate (CTR) prediction, users' data is not shared for privacy protection. The learning is performed by training locally on client devices and communicating only model changes to the server. There…

信息检索 · 计算机科学 2022-09-02 Xianghang Liu , Bartłomiej Twardowski , Tri Kurniawan Wijaya

Federated learning is a distributed framework designed to address privacy concerns. However, it introduces new attack surfaces, which are especially prone when data is non-Independently and Identically Distributed. Existing approaches fail…

密码学与安全 · 计算机科学 2025-05-27 Hyejun Jeong , Hamin Son , Seohu Lee , Jayun Hyun , Tai-Myoung Chung

Federated Averaging remains the most widely used aggregation strategy in federated learning due to its simplicity and scalability. However, its performance degrades significantly in non-IID data settings, where client distributions are…

机器学习 · 计算机科学 2025-03-07 Marco Arazzi , Mert Cihangiroglu , Antonino Nocera

Federated Learning (FL) is a collaborative machine learning approach allowing participants to jointly train a model without having to share their private, potentially sensitive local datasets with others. Despite its benefits, FL is…

Federated recommendation (FedRec) preserves user privacy by enabling decentralized training of personalized models, but this architecture is inherently vulnerable to adversarial attacks. Significant research has been conducted on targeted…

密码学与安全 · 计算机科学 2024-12-31 Qitao Qin , Yucong Luo , Mingyue Cheng , Qingyang Mao , Chenyi Lei

Federated recommendation (FedRec) preserves user privacy by enabling decentralized training of personalized models, but this architecture is inherently vulnerable to adversarial attacks. Significant research has been conducted on targeted…

信息检索 · 计算机科学 2025-07-03 Qitao Qin , Yucong Luo , Zhibo Chu

Federated learning (FL) is an emerging collaborative learning paradigm that aims to protect data privacy. Unfortunately, recent works show FL algorithms are vulnerable to the serious data reconstruction attacks. However, existing works lack…

密码学与安全 · 计算机科学 2024-08-23 Zifan Wang , Binghui Zhang , Meng Pang , Yuan Hong , Binghui Wang

The goal of federated learning (FL) is to train one global model by aggregating model parameters updated independently on edge devices without accessing users' private data. However, FL is susceptible to backdoor attacks where a small…

密码学与安全 · 计算机科学 2022-02-24 Yein Kim , Huili Chen , Farinaz Koushanfar

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…

密码学与安全 · 计算机科学 2023-10-04 Jorge Castillo , Phillip Rieger , Hossein Fereidooni , Qian Chen , Ahmad Sadeghi

Machine Learning (ML) techniques have shown strong potential for network traffic analysis; however, their effectiveness depends on access to representative, up-to-date datasets, which is limited in cybersecurity due to privacy and…

密码学与安全 · 计算机科学 2025-09-23 Roberto Doriguzzi-Corin , Petr Sabel , Silvio Cretti , Silvio Ranise

Federated Learning (FL) is a distributed training paradigm wherein participants collaborate to build a global model while ensuring the privacy of the involved data, which remains stored on participant devices. However, proposals aiming to…

机器学习 · 计算机科学 2025-11-05 Nicolas Riccieri Gardin Assumpcao , Leandro Villas

Federated Learning (FL) has emerged as a promising approach to address data privacy and confidentiality concerns by allowing multiple participants to construct a shared model without centralizing sensitive data. However, this decentralized…

密码学与安全 · 计算机科学 2023-07-25 Jahid Hasan

Federated learning (FL) enables collaborative model training among multiple clients without the need to expose raw data. Its ability to safeguard privacy, at the heart of FL, has recently been a hot-button debate topic. To elaborate,…

机器学习 · 计算机科学 2025-06-11 Mingyuan Fan , Fuyi Wang , Cen Chen , Jianying Zhou

Federated learning is a learning method for training models over multiple participants without directly sharing their raw data, and it has been expected to be a privacy protection method for training data. In contrast, attack methods have…

密码学与安全 · 计算机科学 2023-08-02 Rei Aso , Sayaka Shiota , Hitoshi Kiya

Federated Learning enables one to jointly train a machine learning model across distributed clients holding sensitive datasets. In real-world settings, this approach is hindered by expensive communication and privacy concerns. Both of these…

机器学习 · 统计学 2021-10-19 Constance Beguier , Mathieu Andreux , Eric W. Tramel

In traditional machine learning, it is trivial to conduct model evaluation since all data samples are managed centrally by a server. However, model evaluation becomes a challenging problem in federated learning (FL), which is called…

机器学习 · 计算机科学 2023-05-22 Behnaz Soltani , Yipeng Zhou , Venus Haghighi , John C. S. Lui

In this paper, we propose a method for privacy-preserving federated learning that uses randomly selected model parameters to update global models. High-quality deep neural networks (DNN) models require a huge amount of training data in…

密码学与安全 · 计算机科学 2026-05-05 Hiroto Sawada , Shoko Imaizumi , Hitoshi Kiya