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This review paper takes a comprehensive look at malicious attacks against FL, categorizing them from new perspectives on attack origins and targets, and providing insights into their methodology and impact. In this survey, we focus on…

Machine Learning · Computer Science 2024-01-10 Xianghua Xie , Chen Hu , Hanchi Ren , Jingjing Deng

Federated learning (FL) allows multiple data-owners to collaboratively train machine learning models by exchanging local gradients, while keeping their private data on-device. To simultaneously enhance privacy and training efficiency,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-06 Hasin Us Sami , Swapneel Sen , Amit K. Roy-Chowdhury , Srikanth V. Krishnamurthy , Basak Guler

Federated Learning (FL) represents a significant advancement in distributed machine learning, enabling multiple participants to collaboratively train models without sharing raw data. This decentralized approach enhances privacy by keeping…

Cryptography and Security · Computer Science 2025-02-10 Jaydip Sen , Hetvi Waghela , Sneha Rakshit

Device fingerprinting combined with Machine and Deep Learning (ML/DL) report promising performance when detecting cyberattacks targeting data managed by resource-constrained spectrum sensors. However, the amount of data needed to train…

Federated Unlearning (FU) has emerged as a promising solution to respond to the right to be forgotten of clients, by allowing clients to erase their data from global models without compromising model performance. Unfortunately, researchers…

Cryptography and Security · Computer Science 2025-08-12 Wei Wang , Xiangyun Tang , Yajie Wang , Yijing Lin , Tao Zhang , Meng Shen , Dusit Niyato , Liehuang Zhu

Recent studies have shown that Federated learning (FL) is vulnerable to Gradient Inversion Attacks (GIA), which can recover private training data from shared gradients. However, existing methods are designed for dense, continuous data such…

Machine Learning · Computer Science 2024-12-25 Tianzhe Xiao , Yichen Li , Yining Qi , Haozhao Wang , Ruixuan Li

In the evolving landscape of Federated Learning (FL), a new type of attacks concerns the research community, namely Data Poisoning Attacks, which threaten the model integrity by maliciously altering training data. This paper introduces a…

Cryptography and Security · Computer Science 2024-04-22 Nick Galanis

Federated Learning (FL) trains a black-box and high-dimensional model among different clients by exchanging parameters instead of direct data sharing, which mitigates the privacy leak incurred by machine learning. However, FL still suffers…

Machine Learning · Computer Science 2024-03-05 Qi Tan , Qi Li , Yi Zhao , Zhuotao Liu , Xiaobing Guo , Ke Xu

The privacy-preserving federated learning schemes based on the setting of two honest-but-curious and non-colluding servers offer promising solutions in terms of security and efficiency. However, our investigation reveals that these schemes…

Cryptography and Security · Computer Science 2025-07-31 Jiahui Wu , Fucai Luo , Tiecheng Sun , Haiyan Wang , Weizhe Zhang

An attack on deep learning systems where intelligent machines collaborate to solve problems could cause a node in the network to make a mistake on a critical judgment. At the same time, the security and privacy concerns of AI have…

Machine Learning · Computer Science 2021-08-03 Yuwei Sun , Ng Chong , Hideya Ochiai

Federated learning (FL) allows distributed participants to train machine learning models in a decentralized manner. It can be used for radio signal classification with multiple receivers due to its benefits in terms of privacy and…

Signal Processing · Electrical Eng. & Systems 2024-01-23 Han Zhang , Medhat Elsayed , Majid Bavand , Raimundas Gaigalas , Yigit Ozcan , Melike Erol-Kantarci

Along with the blooming of AI and Machine Learning-based applications and services, data privacy and security have become a critical challenge. Conventionally, data is collected and aggregated in a data centre on which machine learning…

Cryptography and Security · Computer Science 2021-03-19 Nguyen Truong , Kai Sun , Siyao Wang , Florian Guitton , Yike Guo

Federated Learning (FL) has become a cornerstone of privacy protection, shifting the paradigm towards localizing sensitive data while only sending model gradients to a central server. This strategy is designed to reinforce privacy…

Machine Learning · Computer Science 2024-10-14 H. Yi , H. Ren , C. Hu , Y. Li , J. Deng , X. Xie

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

Federated Learning (FL) is a collaborative learning framework designed to protect client data, yet it remains highly vulnerable to Intellectual Property (IP) threats. Model extraction (ME) attacks pose a significant risk to Machine Learning…

Cryptography and Security · Computer Science 2025-06-02 Sayyed Farid Ahamed , Sandip Roy , Soumya Banerjee , Marc Vucovich , Kevin Choi , Abdul Rahman , Alison Hu , Edward Bowen , Sachin Shetty

Federated Learning (FL) enables collaborative model training without exposing clients' private data, and has been widely adopted in privacy-sensitive scenarios. However, FL faces two critical security threats: curious servers that may…

Cryptography and Security · Computer Science 2026-02-19 Yiwen Lu

Federated learning is a technique that allows multiple entities to collaboratively train models using their data without compromising data privacy. However, despite its advantages, federated learning can be susceptible to false data…

Machine Learning · Computer Science 2024-01-17 Or Shalom , Amir Leshem , Waheed U. Bajwa

Federated learning (FL) has emerged as a privacy solution for collaborative distributed learning where clients train AI models directly on their devices instead of sharing their data with a centralized (potentially adversarial) server.…

Machine Learning · Computer Science 2022-09-08 Haleh Hayati , Carlos Murguia , Nathan van de Wouw

Machine learning models used for distributed architectures consisting of servers and clients require large amounts of data to achieve high accuracy. Data obtained from clients are collected on a central server for model training. However,…

Cryptography and Security · Computer Science 2025-09-18 Ozer Ozturk , Busra Buyuktanir , Gozde Karatas Baydogmus , Kazim Yildiz

Data privacy remains a critical concern in educational research, requiring strict adherence to ethical standards and regulatory protocols. While traditional approaches rely on anonymization and centralized data collection, they often expose…

Machine Learning · Computer Science 2025-05-12 Ehsan Latif , Xiaoming Zhai
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