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The widespread deployment of deep learning models in privacy-sensitive domains has amplified concerns regarding privacy risks, particularly those stemming from gradient leakage during training. Current privacy assessments primarily rely on…

机器学习 · 计算机科学 2025-02-13 Jiayang Meng , Tao Huang , Hong Chen , Xin Shi , Qingyu Huang , Chen Hou

Federated learning synchronizes models through gradient transmission and aggregation. However, these gradients pose significant privacy risks, as sensitive training data is embedded within them. Existing gradient inversion attacks suffer…

密码学与安全 · 计算机科学 2025-11-18 Jiayang Meng , Tao Huang , Hong Chen , Chen Hou , Guolong Zheng

Federated learning has emerged as a prominent privacy-preserving technique for leveraging large-scale distributed datasets by sharing gradients instead of raw data. However, recent studies indicate that private training data can still be…

密码学与安全 · 计算机科学 2025-09-30 Tamer Ahmed Eltaras , Qutaibah Malluhi , Alessandro Savino , Stefano Di Carlo , Adnan Qayyum

Federated learning enables multiple users to build a joint model by sharing their model updates (gradients), while their raw data remains local on their devices. In contrast to the common belief that this provides privacy benefits, we here…

Federated Learning (FL) framework brings privacy benefits to distributed learning systems by allowing multiple clients to participate in a learning task under the coordination of a central server without exchanging their private data.…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Zhuohang Li , Jiaxin Zhang , Luyang Liu , Jian Liu

Models leak information about their training data. This enables attackers to infer sensitive information about their training sets, notably determine if a data sample was part of the model's training set. The existing works empirically show…

机器学习 · 统计学 2021-02-18 Sasi Kumar Murakonda , Reza Shokri , George Theodorakopoulos

Neural networks are trained primarily based on their inputs and outputs, without regard for their internal mechanisms. These neglected mechanisms determine properties that are critical for safety, like (i) transparency; (ii) the absence of…

机器学习 · 计算机科学 2024-12-02 Alex Cloud , Jacob Goldman-Wetzler , Evžen Wybitul , Joseph Miller , Alexander Matt Turner

The idea of federated learning is to train deep neural network models collaboratively and share them with multiple participants without exposing their private training data to each other. This is highly attractive in the medical domain due…

图像与视频处理 · 电气工程与系统科学 2022-05-02 Mads Emil Dahlgaard , Morten Wehlast Jørgensen , Niels Asp Fuglsang , Hiba Nassar

Training deep neural networks via federated learning allows clients to share, instead of the original data, only the model trained on their data. Prior work has demonstrated that in practice a client's private information, unrelated to the…

密码学与安全 · 计算机科学 2021-06-01 Fan Mo , Anastasia Borovykh , Mohammad Malekzadeh , Hamed Haddadi , Soteris Demetriou

Federated learning is considered as an effective privacy-preserving learning mechanism that separates the client's data and model training process. However, federated learning is still under the risk of privacy leakage because of the…

机器学习 · 计算机科学 2022-06-03 Yuxuan Wan , Han Xu , Xiaorui Liu , Jie Ren , Wenqi Fan , Jiliang Tang

The Deep Leakage from Gradient (DLG) attack has emerged as a prevalent and highly effective method for extracting sensitive training data by inspecting exchanged gradients. This approach poses a substantial threat to the privacy of…

机器学习 · 计算机科学 2023-11-27 Chenyang Li , Zhao Song , Weixin Wang , Chiwun Yang

Distributed machine learning has been widely used in recent years to tackle the large and complex dataset problem. Therewith, the security of distributed learning has also drawn increasing attentions from both academia and industry. In this…

机器学习 · 计算机科学 2022-06-13 Zihao Zhao , Mengen Luo , Wenbo Ding

We address the challenging problem of deep representation learning--the efficient adaption of a pre-trained deep network to different tasks. Specifically, we propose to explore gradient-based features. These features are gradients of the…

机器学习 · 计算机科学 2020-04-14 Fangzhou Mu , Yingyu Liang , Yin Li

While prior work has shown that Federated Learning updates can leak sensitive information, label reconstruction attacks, which aim to recover input labels from shared gradients, have not yet been examined in the context of Human Activity…

机器学习 · 计算机科学 2025-08-08 Marius Bock , Maximilian Hopp , Kristof Van Laerhoven , Michael Moeller

Data privacy has become an increasingly important issue in Machine Learning (ML), where many approaches have been developed to tackle this challenge, e.g. cryptography (Homomorphic Encryption (HE), Differential Privacy (DP), etc.) and…

机器学习 · 计算机科学 2022-09-13 Hanchi Ren , Jingjing Deng , Xianghua Xie

In the context of classification problems, Deep Learning (DL) approaches represent state of art. Many DL approaches are based on variations of standard multi-layer feed-forward neural networks. These are also referred to as deep networks.…

机器学习 · 计算机科学 2023-11-21 Andrea Apicella , Francesco Isgrò , Roberto Prevete

Reconstructing samples from the training set of trained neural networks is a major privacy concern. Haim et al. (2022) recently showed that it is possible to reconstruct training samples from neural network binary classifiers, based on…

机器学习 · 计算机科学 2023-05-08 Gon Buzaglo , Niv Haim , Gilad Yehudai , Gal Vardi , Michal Irani

A fundamental challenge for multi-task learning is that different tasks may conflict with each other when they are solved jointly, and a cause of this phenomenon is conflicting gradients during optimization. Recent works attempt to mitigate…

机器学习 · 计算机科学 2023-02-23 Guangyuan Shi , Qimai Li , Wenlong Zhang , Jiaxin Chen , Xiao-Ming Wu

Recent advances in neural network based language models lead to successful deployments of such models, improving user experience in various applications. It has been demonstrated that strong performance of language models comes along with…

密码学与安全 · 计算机科学 2021-02-24 Huseyin A. Inan , Osman Ramadan , Lukas Wutschitz , Daniel Jones , Victor Rühle , James Withers , Robert Sim

Current methods for reconstructing training data from trained classifiers are restricted to very small models, limited training set sizes, and low-resolution images. Such restrictions hinder their applicability to real-world scenarios. In…

机器学习 · 计算机科学 2024-07-23 Yakir Oz , Gilad Yehudai , Gal Vardi , Itai Antebi , Michal Irani , Niv Haim