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In Member Inference (MI) attacks, the adversary try to determine whether an instance is used to train a machine learning (ML) model. MI attacks are a major privacy concern when using private data to train ML models. Most MI attacks in the…

Cryptography and Security · Computer Science 2024-05-30 Jiacheng Li , Ninghui Li , Bruno Ribeiro

Machine learning models can inadvertently expose confidential properties of their training data, making them vulnerable to membership inference attacks (MIA). While numerous evaluation methods exist, many require computationally expensive…

Machine Learning · Computer Science 2026-02-04 Richard J. Preen , Jim Smith

A large body of research has shown that machine learning models are vulnerable to membership inference (MI) attacks that violate the privacy of the participants in the training data. Most MI research focuses on the case of a single…

Machine Learning · Computer Science 2022-05-16 Matthew Jagielski , Stanley Wu , Alina Oprea , Jonathan Ullman , Roxana Geambasu

Membership Inference Attack (MIA) determines the presence of a record in a machine learning model's training data by querying the model. Prior work has shown that the attack is feasible when the model is overfitted to its training data or…

Cryptography and Security · Computer Science 2018-02-15 Yunhui Long , Vincent Bindschaedler , Lei Wang , Diyue Bu , Xiaofeng Wang , Haixu Tang , Carl A. Gunter , Kai Chen

We study the membership inference (MI) attack against classifiers, where the attacker's goal is to determine whether a data instance was used for training the classifier. Through systematic cataloging of existing MI attacks and extensive…

Cryptography and Security · Computer Science 2021-02-04 Jiacheng Li , Ninghui Li , Bruno Ribeiro

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

For small privacy parameter $\epsilon$, $\epsilon$-differential privacy (DP) provides a strong worst-case guarantee that no membership inference attack (MIA) can succeed at determining whether a person's data was used to train a machine…

Cryptography and Security · Computer Science 2024-02-16 Andrew Lowy , Zhuohang Li , Jing Liu , Toshiaki Koike-Akino , Kieran Parsons , Ye Wang

Membership inference attacks (MIAs) are widely used to assess the privacy risks associated with machine learning models. However, when these attacks are applied to pre-trained large language models (LLMs), they encounter significant…

Cryptography and Security · Computer Science 2026-05-26 Meng Tong , Yuntao Du , Kejiang Chen , Weiming Zhang , Ninghui Li

Artificial intelligence systems are prevalent in everyday life, with use cases in retail, manufacturing, health, and many other fields. With the rise in AI adoption, associated risks have been identified, including privacy risks to the…

Machine Learning · Computer Science 2024-07-19 Shlomit Shachor , Natalia Razinkov , Abigail Goldsteen

While in-processing fairness approaches show promise in mitigating biased predictions, their potential impact on privacy leakage remains under-explored. We aim to address this gap by assessing the privacy risks of fairness-enhanced binary…

Machine Learning · Computer Science 2025-05-29 Huan Tian , Guangsheng Zhang , Bo Liu , Tianqing Zhu , Ming Ding , Wanlei Zhou

Diffusion models have been remarkably successful in data synthesis. However, when these models are applied to sensitive datasets, such as banking and human face data, they might bring up severe privacy concerns. This work systematically…

Cryptography and Security · Computer Science 2024-04-30 Hailong Hu , Jun Pang

Image-to-image translation models are shown to be vulnerable to the Membership Inference Attack (MIA), in which the adversary's goal is to identify whether a sample is used to train the model or not. With daily increasing applications based…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Saeed Ranjbar Alvar , Lanjun Wang , Jian Pei , Yong Zhang

The lack of data transparency in Large Language Models (LLMs) has highlighted the importance of Membership Inference Attack (MIA), which differentiates trained (member) and untrained (non-member) data. Though it shows success in previous…

Computation and Language · Computer Science 2024-12-19 Bowen Chen , Namgi Han , Yusuke Miyao

We introduce a novel machine unlearning framework founded upon the established principles of the min-max optimization paradigm. We capitalize on the capabilities of strong Membership Inference Attacks (MIA) to facilitate the unlearning of…

Machine Learning · Computer Science 2024-02-14 Rohan Sharma , Shijie Zhou , Kaiyi Ji , Changyou Chen

Recent Deep Learning (DL) advancements in solving complex real-world tasks have led to its widespread adoption in practical applications. However, this opportunity comes with significant underlying risks, as many of these models rely on…

Cryptography and Security · Computer Science 2024-02-20 Shubhi Shukla , Manaar Alam , Sarani Bhattacharya , Debdeep Mukhopadhyay , Pabitra Mitra

Artificial intelligence and machine learning have been integrated into all aspects of our lives and the privacy of personal data has attracted more and more attention. Since the generation of the model needs to extract the effective…

Cryptography and Security · Computer Science 2022-02-14 Ruikang Yang , Jianfeng Ma , Yinbin Miao , Xindi Ma

Membership inference attacks (MIAs), which enable adversaries to determine whether specific data points were part of a model's training dataset, have emerged as an important framework to understand, assess, and quantify the potential…

Cryptography and Security · Computer Science 2026-03-23 Toan Tran , Olivera Kotevska , Li Xiong

Recently, adapting the idea of self-supervised learning (SSL) on continuous speech has started gaining attention. SSL models pre-trained on a huge amount of unlabeled audio can generate general-purpose representations that benefit a wide…

Cryptography and Security · Computer Science 2022-08-16 Wei-Cheng Tseng , Wei-Tsung Kao , Hung-yi Lee

With the rapid advancement of deep learning technology, pre-trained encoder models have demonstrated exceptional feature extraction capabilities, playing a pivotal role in the research and application of deep learning. However, their…

Cryptography and Security · Computer Science 2025-06-09 Ruining Sun , Hongsheng Hu , Wei Luo , Zhaoxi Zhang , Yanjun Zhang , Haizhuan Yuan , Leo Yu Zhang

With the rapid advancement of diffusion-based image-generative models, the quality of generated images has become increasingly photorealistic. Moreover, with the release of high-quality pre-trained image-generative models, a growing number…

Cryptography and Security · Computer Science 2024-09-06 Yan Pang , Tianhao Wang
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