English
Related papers

Related papers: CQSA: Byzantine-robust Clustered Quantum Secure Ag…

200 papers

Ensuring resilience to Byzantine clients while maintaining the privacy of the clients' data is a fundamental challenge in federated learning (FL). When the clients' data is homogeneous, suitable countermeasures were studied from an…

Machine Learning · Computer Science 2025-06-12 Maximilian Egger , Rawad Bitar

Secure federated learning enables collaborative model training across decentralized users while preserving data privacy. A key component is secure aggregation, which keeps individual updates hidden from both the server and users, while also…

Cryptography and Security · Computer Science 2025-07-22 Usayd Shahul , J. Harshan

Federated Learning (FL) has gained significant attention for its privacy-preserving capabilities, enabling distributed devices to collaboratively train a global model without sharing raw data. However, its distributed nature forces the…

Cryptography and Security · Computer Science 2025-09-03 Chaoyu Zhang , Heng Jin , Shanghao Shi , Hexuan Yu , Sydney Johns , Y. Thomas Hou , Wenjing Lou

Federated Learning (FL) enables collaborative model training across multiple clients without sharing private data. We consider FL scenarios wherein FL clients are subject to adversarial (Byzantine) attacks, while the FL server is trusted…

Machine Learning · Computer Science 2026-04-30 Emmanouil Kritharakis , Dusan Jakovetic , Antonios Makris , Konstantinos Tserpes

Secure model aggregation across many users is a key component of federated learning systems. The state-of-the-art protocols for secure model aggregation, which are based on additive masking, require all users to quantize their model updates…

Information Theory · Computer Science 2021-11-17 Ahmed Roushdy Elkordy , A. Salman Avestimehr

The advancement of AI models, especially those powered by deep learning, faces significant challenges in data-sensitive industries like healthcare and finance due to the distributed and private nature of data. Federated Learning (FL) and…

Cryptography and Security · Computer Science 2025-01-14 Yongming Fan , Rui Zhu , Zihao Wang , Chenghong Wang , Haixu Tang , Ye Dong , Hyunghoon Cho , Lucila Ohno-Machado

Federated Learning (FL) thrives in training a global model with numerous clients by only sharing the parameters of their local models trained with their private training datasets. Therefore, without revealing the private dataset, the…

Machine Learning · Computer Science 2024-03-06 Younghan Lee , Yungi Cho , Woorim Han , Ho Bae , Yunheung Paek

Federated learning (FL) is an emerging machine learning paradigm, in which clients jointly learn a model with the help of a cloud server. A fundamental challenge of FL is that the clients are often heterogeneous, e.g., they have different…

Cryptography and Security · Computer Science 2022-12-14 Minghong Fang , Jia Liu , Neil Zhenqiang Gong , Elizabeth S. Bentley

Despite federated learning (FL)'s potential in collaborative learning, its performance has deteriorated due to the data heterogeneity of distributed users. Recently, clustered federated learning (CFL) has emerged to address this challenge…

Cryptography and Security · Computer Science 2025-06-17 Zhiqiang Li , Haiyong Bao , Menghong Guan , Hao Pan , Cheng Huang , Hong-Ning Dai

Recently emerged federated learning (FL) is an attractive distributed learning framework in which numerous wireless end-user devices can train a global model with the data remained autochthonous. Compared with the traditional machine…

Cryptography and Security · Computer Science 2022-10-10 Junyu Shi , Wei Wan , Shengshan Hu , Jianrong Lu , Leo Yu Zhang

Byzantine attacks during model aggregation in Federated Learning (FL) threaten training integrity by manipulating malicious clients' updates. Existing methods struggle with limited robustness under high malicious client ratios and…

Cryptography and Security · Computer Science 2025-05-20 Yanhua Wen , Lu Ai , Gang Liu , Chuang Li , Jianhao Wei

With the increasing importance of machine learning, the privacy and security of training data have become critical. Federated learning, which stores data in distributed nodes and shares only model parameters, has gained significant…

Machine Learning · Computer Science 2025-07-10 Yang Li , Chunhe Xia , Chang Li , Tianbo Wang

Federated Learning (FL) paradigms enable large numbers of clients to collaboratively train Machine Learning models on private data. However, due to their multi-party nature, traditional FL schemes are left vulnerable to Byzantine attacks…

Machine Learning · Computer Science 2024-10-31 Atharv Deshmukh

Federated learning systems that jointly preserve Byzantine robustness and privacy have remained an open problem. Robust aggregation, the standard defense for Byzantine attacks, generally requires server access to individual updates or…

Cryptography and Security · Computer Science 2021-10-07 Raj Kiriti Velicheti , Derek Xia , Oluwasanmi Koyejo

Federated learning (FL) is designed to preserve data privacy during model training, where the data remains on the client side (i.e., IoT devices), and only model updates of clients are shared iteratively for collaborative learning. However,…

Machine Learning · Computer Science 2023-09-08 Zikai Zhang , Rui Hu

In decentralized federated learning (FL), multiple clients collaboratively learn a shared machine learning (ML) model by leveraging their privately held datasets distributed across the network, through interactive exchange of the…

Information Theory · Computer Science 2026-03-24 Xiang Zhang , Zhou Li , Shuangyang Li , Kai Wan , Derrick Wing Kwan Ng , Giuseppe Caire

Federated learning enables decentralized, privacy-preserving training but remains vulnerable to privacy leakage in the quantum era. Quantum federated learning (QFL) offers a promising path towards enhanced security and efficiency. However,…

Federated learning (FL) becomes vulnerable to Byzantine attacks where some of participators tend to damage the utility or discourage the convergence of the learned model via sending their malicious model updates. Previous works propose to…

Cryptography and Security · Computer Science 2024-08-13 Fangyuan Zhao , Yuexiang Xie , Xuebin Ren , Bolin Ding , Shusen Yang , Yaliang Li

\textit{Federated learning} (FL) is a nascent distributed learning paradigm to train a shared global model without violating users' privacy. FL has been shown to be vulnerable to various Byzantine attacks, where malicious participants could…

Cryptography and Security · Computer Science 2023-08-08 Wei Wan , Shengshan Hu , Minghui Li , Jianrong Lu , Longling Zhang , Leo Yu Zhang , Hai Jin

Federated Learning (FL) trains a global model across decentralized clients while preserving data privacy, but at scale it is vulnerable to malicious updates. Byzantine-resilient aggregation methods such as MultiKrum score gradients against…

Machine Learning · Computer Science 2026-05-19 Andras Ferenczi , Sutapa Samanta , Dagen Wang , Jason Qizhe Qin