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Related papers: SoK: On Gradient Leakage in Federated Learning

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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) was initially proposed as a privacy-preserving machine learning paradigm. However, FL has been shown to be susceptible to a series of privacy attacks. Recently, there has been concern about the Source Inference…

Cryptography and Security · Computer Science 2026-03-03 Andreas Athanasiou , Kangsoo Jung , Catuscia Palamidessi

Federated learning (FL) is a privacy-preserving machine learning framework that enables multiple nodes to train models on their local data and periodically average weight updates to benefit from other nodes' training. Each node's goal is to…

Machine Learning · Computer Science 2025-06-16 Ethan Wilson , Kai Yue , Chau-Wai Wong , Huaiyu Dai

Federated learning (FL) has emerged as a privacy-preserving machine learning approach where multiple parties share gradient information rather than original user data. Recent work has demonstrated that gradient inversion attacks can exploit…

Machine Learning · Computer Science 2024-05-07 Jin Qian , Kaimin Wei , Yongdong Wu , Jilian Zhang , Jipeng Chen , Huan Bao

Federated learning is a decentralized learning paradigm introduced to preserve privacy of client data. Despite this, prior work has shown that an attacker at the server can still reconstruct the private training data using only the client…

Cryptography and Security · Computer Science 2024-03-28 Joshua C. Zhao , Ahaan Dabholkar , Atul Sharma , Saurabh Bagchi

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

Gradient inversion attacks on federated learning systems reconstruct client training data from exchanged gradient information. To defend against such attacks, a variety of defense mechanisms were proposed. However, they usually lead to an…

Machine Learning · Computer Science 2022-11-24 Daniel Scheliga , Patrick Mäder , Marco Seeland

Gradient inversion attacks are often presented as a serious privacy threat in federated learning, with recent work reporting increasingly strong reconstructions under favorable experimental settings. However, it remains unclear whether such…

Cryptography and Security · Computer Science 2026-02-10 Viktor Valadi , Mattias Åkesson , Johan Östman , Fazeleh Hoseini , Salman Toor , Andreas Hellander

Federated learning (FL) enables privacy-preserving collaborative model training but remains vulnerable to adversarial behaviors that compromise model utility or fairness across sensitive groups. While extensive studies have examined attacks…

Machine Learning · Computer Science 2025-11-13 Yanli Li , Yanan Zhou , Zhongliang Guo , Nan Yang , Yuning Zhang , Huaming Chen , Dong Yuan , Weiping Ding , Witold Pedrycz

Federated Learning (FL) has emerged as a potentially powerful privacy-preserving machine learning methodology, since it avoids exchanging data between participants, but instead exchanges model parameters. FL has traditionally been applied…

Cryptography and Security · Computer Science 2022-10-17 Han Wu , Zilong Zhao , Lydia Y. Chen , Aad van Moorsel

The gradient inversion attack has been demonstrated as a significant privacy threat to federated learning (FL), particularly in continuous domains such as vision models. In contrast, it is often considered less effective or highly dependent…

Machine Learning · Computer Science 2025-07-30 Xinguo Feng , Zhongkui Ma , Zihan Wang , Eu Joe Chegne , Mengyao Ma , Alsharif Abuadbba , Guangdong Bai

Federated Learning (FL) enables collaborative model building among a large number of participants without the need for explicit data sharing. But this approach shows vulnerabilities when privacy inference attacks are applied to it. In…

Machine Learning · Computer Science 2022-10-26 Pretom Roy Ovi , Emon Dey , Nirmalya Roy , Aryya Gangopadhyay

Federated learning (FL) is a popular distributed learning framework that can reduce privacy risks by not explicitly sharing private data. However, recent works demonstrated that sharing model updates makes FL vulnerable to inference…

Machine Learning · Computer Science 2020-12-14 Jingwei Sun , Ang Li , Binghui Wang , Huanrui Yang , Hai Li , Yiran Chen

Federated Learning (FL) facilitates collaborative model training while preserving data locality; however, the exchange of gradients renders the system vulnerable to Gradient Inversion Attacks (GIAs), allowing adversaries to reconstruct…

Machine Learning · Computer Science 2026-02-13 Jianhua Wang , Yinlin Su

In terms of artificial intelligence, there are several security and privacy deficiencies in the traditional centralized training methods of machine learning models by a server. To address this limitation, federated learning (FL) has been…

Cryptography and Security · Computer Science 2022-11-29 Yao Chen , Yijie Gui , Hong Lin , Wensheng Gan , Yongdong Wu

In Federated Learning (FL), clients share gradients with a central server while keeping their data local. However, malicious servers could deliberately manipulate the models to reconstruct clients' data from shared gradients, posing…

Cryptography and Security · Computer Science 2025-04-11 Kunlan Xiang , Haomiao Yang , Meng Hao , Shaofeng Li , Haoxin Wang , Zikang Ding , Wenbo Jiang , Tianwei Zhang

Recent works have brought attention to the vulnerability of Federated Learning (FL) systems to gradient leakage attacks. Such attacks exploit clients' uploaded gradients to reconstruct their sensitive data, thereby compromising the privacy…

Machine Learning · Computer Science 2025-06-11 Mingyuan Fan , Cen Chen , Chengyu Wang , Xiaodan Li , Wenmeng Zhou

Federated learning (FL) enables a set of entities to collaboratively train a machine learning model without sharing their sensitive data, thus, mitigating some privacy concerns. However, an increasing number of works in the literature…

Cryptography and Security · Computer Science 2022-01-04 Aidmar Wainakh , Ephraim Zimmer , Sandeep Subedi , Jens Keim , Tim Grube , Shankar Karuppayah , Alejandro Sanchez Guinea , Max Mühlhäuser

Vertical federated learning (VFL) allows an active party with a top model, and multiple passive parties with bottom models to collaborate. In this scenario, passive parties possessing only features may attempt to infer active party's…

Machine Learning · Computer Science 2026-03-20 Yige Liu , Dexuan Xu , Zimai Guo , Yongzhi Cao , Hanpin Wang

With the introduction of regulations related to the ``right to be forgotten", federated learning (FL) is facing new privacy compliance challenges. To address these challenges, researchers have proposed federated unlearning (FU). However,…

Cryptography and Security · Computer Science 2025-04-09 Lei Zhou , Youwen Zhu