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Machine learning (ML) models have been widely applied to various applications, including image classification, text generation, audio recognition, and graph data analysis. However, recent studies have shown that ML models are vulnerable to…

Machine Learning · Computer Science 2022-02-04 Hongsheng Hu , Zoran Salcic , Lichao Sun , Gillian Dobbie , Philip S. Yu , Xuyun Zhang

Membership inference attack (MIA) has become one of the most widely used and effective methods for evaluating the privacy risks of machine learning models. These attacks aim to determine whether a specific sample is part of the model's…

Cryptography and Security · Computer Science 2025-06-04 Jing Xue , Zhishen Sun , Haishan Ye , Luo Luo , Xiangyu Chang , Ivor Tsang , Guang Dai

Transfer learning, successful in knowledge translation across related tasks, faces a substantial privacy threat from membership inference attacks (MIAs). These attacks, despite posing significant risk to ML model's training data, remain…

Cryptography and Security · Computer Science 2025-01-22 Cong Wu , Jing Chen , Qianru Fang , Kun He , Ziming Zhao , Hao Ren , Guowen Xu , Yang Liu , Yang Xiang

Machine learning (ML) has been widely adopted in various privacy-critical applications, e.g., face recognition and medical image analysis. However, recent research has shown that ML models are vulnerable to attacks against their training…

Machine Learning · Computer Science 2021-09-20 Zheng Li , Yang Zhang

Model Inversion Attacks (MIAs) pose a significant threat to data privacy by reconstructing sensitive training samples from the knowledge embedded in trained machine learning models. Despite recent progress in enhancing the effectiveness of…

Cryptography and Security · Computer Science 2025-12-03 Hongyao Yu , Yixiang Qiu , Hao Fang , Tianqu Zhuang , Bin Chen , Sijin Yu , Bin Wang , Shu-Tao Xia , Ke Xu

Large language models (LLMs) have achieved remarkable success and are widely adopted for diverse applications. However, fine-tuning these models often involves private or sensitive information, raising critical privacy concerns. In this…

Cryptography and Security · Computer Science 2025-06-13 Kaiyuan Zhang , Siyuan Cheng , Hanxi Guo , Yuetian Chen , Zian Su , Shengwei An , Yuntao Du , Charles Fleming , Ashish Kundu , Xiangyu Zhang , Ninghui Li

While Membership Inference Attacks (MIAs) are the prevailing method for identifying training data, their application has expanded into privacy auditing and machine unlearning. Nevertheless, the field lacks a systematic framework for…

Machine Learning · Computer Science 2026-05-29 Ding Chen , Xinwen Cheng , Xuyang Zhong , Xinping Chen , Xiaolin Huang , Chen Liu

Machine Learning (ML) has made unprecedented progress in the past several decades. However, due to the memorability of the training data, ML is susceptible to various attacks, especially Membership Inference Attacks (MIAs), the objective of…

Machine Learning · Computer Science 2022-05-16 Shuhao Li , Yajie Wang , Yuanzhang Li , Yu-an Tan

The membership inference attack (MIA) is a popular paradigm for compromising the privacy of a machine learning (ML) model. MIA exploits the natural inclination of ML models to overfit upon the training data. MIAs are trained to distinguish…

A membership inference attack (MIA) against a machine-learning model enables an attacker to determine whether a given data record was part of the model's training data or not. In this paper, we provide an in-depth study of the phenomenon of…

Machine Learning · Computer Science 2021-09-20 Bogdan Kulynych , Mohammad Yaghini , Giovanni Cherubin , Michael Veale , Carmela Troncoso

In several jurisdictions, the regulatory framework on the release and sharing of personal data is being extended to machine learning (ML). The implicit assumption is that disclosing a trained ML model entails a privacy risk for any personal…

Cryptography and Security · Computer Science 2025-11-14 Josep Domingo-Ferrer

Federated Learning enables collaborative learning among clients via a coordinating server while avoiding direct data sharing, offering a perceived solution to preserve privacy. However, recent studies on Membership Inference Attacks (MIAs)…

Cryptography and Security · Computer Science 2025-08-04 Quan Nguyen , Minh N. Vu , Truc Nguyen , My T. Thai

Large Language Models (LLMs) utilize large amounts of data for their training, some of which may come from copyrighted sources. Membership Inference Attacks (MIA) aim to detect those documents and whether they have been included in the…

Artificial Intelligence · Computer Science 2026-04-22 Juliusz Janicki , Savvas Chamezopoulos , Evangelos Kanoulas , Georgios Tsatsaronis

Federated Learning (FL) enables collaborative model training while keeping training data localized, allowing us to preserve privacy in various domains including remote sensing. However, recent studies show that FL models may still leak…

Cryptography and Security · Computer Science 2026-01-13 Anh-Kiet Duong , Petra Gomez-Krämer , Hoàng-Ân Lê , Minh-Tan Pham

Machine learning poses severe privacy concerns as it has been shown that the learned models can reveal sensitive information about their training data. Many works have investigated the effect of widely adopted data augmentation and…

Machine Learning · Computer Science 2024-03-26 Xiao Li , Qiongxiu Li , Zhanhao Hu , Xiaolin Hu

Membership inference attacks (MIAs) pose a significant threat to the privacy of machine learning models and are widely used as tools for privacy assessment, auditing, and machine unlearning. While prior MIA research has primarily focused on…

Machine Learning · Computer Science 2025-07-04 Zhiqi Wang , Chengyu Zhang , Yuetian Chen , Nathalie Baracaldo , Swanand Kadhe , Lei Yu

With the emergence of powerful large-scale foundation models, the training paradigm is increasingly shifting from from-scratch training to transfer learning. This enables high utility training with small, domain-specific datasets typical in…

Machine Learning · Computer Science 2025-10-09 Yuxuan Bai , Gauri Pradhan , Marlon Tobaben , Antti Honkela

Federated learning (FL) has emerged as a promising privacy-aware paradigm that allows multiple clients to jointly train a model without sharing their private data. Recently, many studies have shown that FL is vulnerable to membership…

Cryptography and Security · Computer Science 2021-09-14 Hongsheng Hu , Zoran Salcic , Lichao Sun , Gillian Dobbie , Xuyun Zhang

Membership inference attacks allow a malicious entity to predict whether a sample is used during training of a victim model or not. State-of-the-art membership inference attacks have shown to achieve good accuracy which poses a great…

Machine Learning · Computer Science 2022-03-07 Shahbaz Rezaei , Xin Liu

The memorization of training data by neural networks raises pressing concerns for privacy and security. Recent work has shown that, under certain conditions, portions of the training set can be reconstructed directly from model parameters.…

Machine Learning · Computer Science 2025-09-26 Yehonatan Refael , Guy Smorodinsky , Ofir Lindenbaum , Itay Safran