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Recommender systems have been successfully applied in many applications. Nonetheless, recent studies demonstrate that recommender systems are vulnerable to membership inference attacks (MIAs), leading to the leakage of users' membership…

密码学与安全 · 计算机科学 2024-05-14 Xiaoxiao Chi , Xuyun Zhang , Yan Wang , Lianyong Qi , Amin Beheshti , Xiaolong Xu , Kim-Kwang Raymond Choo , Shuo Wang , Hongsheng Hu

Membership inference attacks (MIAs) are used to test practical privacy of machine learning models. MIAs complement formal guarantees from differential privacy (DP) under a more realistic adversary model. We analyse MIA vulnerability of…

密码学与安全 · 计算机科学 2026-02-03 Marlon Tobaben , Hibiki Ito , Joonas Jälkö , Yuan He , Antti Honkela

Machine learning models can leak private information about their training data. The standard methods to measure this privacy risk, based on membership inference attacks (MIAs), only check if a given data point \textit{exactly} matches a…

机器学习 · 计算机科学 2025-09-11 Jiashu Tao , Reza Shokri

Membership inference attacks (MIAs) reveal whether specific data was used to train machine learning models, serving as important tools for privacy auditing and compliance assessment. Recent studies have reported that MIAs perform only…

Membership Inference Attacks (MIAs) have emerged as a valuable framework for evaluating privacy leakage by machine learning models. Score-based MIAs are distinguished, in particular, by their ability to exploit the confidence scores that…

机器学习 · 计算机科学 2025-02-28 Gauri Pradhan , Joonas Jälkö , Marlon Tobaben , Antti Honkela

Among all privacy attacks against Machine Learning (ML), membership inference attacks (MIA) attracted the most attention. In these attacks, the attacker is given an ML model and a data point, and they must infer whether the data point was…

密码学与安全 · 计算机科学 2025-12-02 Bram van Dartel , Marc Damie , Florian Hahn

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…

机器学习 · 计算机科学 2022-05-16 Shuhao Li , Yajie Wang , Yuanzhang Li , Yu-an Tan

This paper presents how to leak private information from a wireless signal classifier by launching an over-the-air membership inference attack (MIA). As machine learning (ML) algorithms are used to process wireless signals to make decisions…

信号处理 · 电气工程与系统科学 2020-06-26 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu

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…

机器学习 · 计算机科学 2026-02-04 Richard J. Preen , Jim Smith

Membership inference attacks (MIAs) pose a critical threat to the privacy of training data in deep learning. Despite significant progress in attack methodologies, our understanding of when and how models encode membership information during…

机器学习 · 计算机科学 2025-08-05 Yuetian Chen , Zhiqi Wang , Nathalie Baracaldo , Swanand Ravindra Kadhe , Lei Yu

With the widespread adoption of Large Language Models (LLMs) and increasingly stringent privacy regulations, protecting data privacy in LLMs has become essential, especially for privacy-sensitive applications. Membership Inference Attacks…

密码学与安全 · 计算机科学 2026-01-30 Md Tasnim Jawad , Mingyan Xiao , Yanzhao Wu

Membership inference attacks (MIAs) aim to infer whether a data point has been used to train a machine learning model. These attacks can be employed to identify potential privacy vulnerabilities and detect unauthorized use of personal data.…

机器学习 · 计算机科学 2023-10-03 Myeongseob Ko , Ming Jin , Chenguang Wang , Ruoxi Jia

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…

Membership Inference Attacks (MIAs) infer whether a data point is in the training data of a machine learning model. It is a threat while being in the training data is private information of a data point. MIA correctly infers some data…

密码学与安全 · 计算机科学 2022-10-31 Mauro Conti , Jiaxin Li , Stjepan Picek

Auditing the privacy leakage of synthetic data is an important but unresolved problem. Existing privacy auditing frameworks for synthetic data rely on heuristics and unrealistic assumptions about model access, offering limited ability to…

机器学习 · 计算机科学 2026-05-12 Joshua Ward , Chi-Hua Wang , Guang Cheng

Deep learning models have an intrinsic privacy issue as they memorize parts of their training data, creating a privacy leakage. Membership Inference Attacks (MIA) exploit it to obtain confidential information about the data used for…

密码学与安全 · 计算机科学 2025-03-13 Daniel Jiménez-López , Nuria Rodríguez-Barroso , M. Victoria Luzón , Francisco Herrera

Training machine learning models on privacy-sensitive data has become a popular practice, driving innovation in ever-expanding fields. This has opened the door to new attacks that can have serious privacy implications. One such attack, the…

密码学与安全 · 计算机科学 2023-06-16 Thomas Humphries , Simon Oya , Lindsey Tulloch , Matthew Rafuse , Ian Goldberg , Urs Hengartner , Florian Kerschbaum

The state-of-the-art for membership inference attacks on machine learning models is a class of attacks based on shadow models that mimic the behavior of the target model on subsets of held-out nonmember data. However, we find that this…

机器学习 · 计算机科学 2025-10-28 Pratiksha Thaker , Neil Kale , Zhiwei Steven Wu , Virginia Smith

The rise of Large Language Models (LLMs) has triggered legal and ethical concerns, especially regarding the unauthorized use of copyrighted materials in their training datasets. This has led to lawsuits against tech companies accused of…

Membership inference attacks (MIA) aim to infer whether a particular data point is part of the training dataset of a model. In this paper, we propose a new task in the context of LLM privacy: entity-level discovery of membership risk…

机器学习 · 计算机科学 2025-11-04 Ali Satvaty , Suzan Verberne , Fatih Turkmen