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Membership Inference Attacks (MIA) enable to empirically assess the privacy of a machine learning algorithm. In this paper, we propose TAMIS, a novel MIA against differentially-private synthetic data generation methods that rely on…

机器学习 · 计算机科学 2025-11-13 Paul Andrey , Batiste Le Bars , Marc Tommasi

Learned recommender systems may inadvertently leak information about their training data, leading to privacy violations. We investigate privacy threats faced by recommender systems through the lens of membership inference. In such attacks,…

信息检索 · 计算机科学 2022-06-29 Zihan Wang , Na Huang , Fei Sun , Pengjie Ren , Zhumin Chen , Hengliang Luo , Maarten de Rijke , Zhaochun Ren

Membership inference attacks (MIAs) test whether a data point was part of a model's training set, posing serious privacy risks. Existing methods often depend on shadow models or heavy query access, which limits their practicality. We…

机器学习 · 计算机科学 2025-10-28 Yongchao Huang , Pengfei Zhang , Shahzad Mumtaz

Preserving the privacy of individuals by protecting their sensitive attributes is an important consideration during microdata release. However, it is equally important to preserve the quality or utility of the data for at least some…

机器学习 · 统计学 2017-11-07 Dennis Wei , Karthikeyan Natesan Ramamurthy , Kush R. Varshney

To develop a trustworthy AI system, which aim to identify the input regions that most influence the models decisions. The primary task of existing attribution methods lies in efficiently and accurately identifying the relationships among…

机器学习 · 计算机科学 2026-05-20 Ruoyu Chen , Siyuan Liang , Jingzhi Li , Shiming Liu , Li Liu , Hua Zhang , Xiaochun Cao

Membership Inference Attacks (MIAs) are currently a dominant approach for evaluating privacy in machine learning applications. Despite their significance in identifying records belonging to the training dataset, several concerns remain…

机器学习 · 计算机科学 2026-01-23 Cristina Pêra , Tânia Carvalho , Maxime Cordy , Luís Antunes

Community detection plays an important role in social networks, since it can help to naturally divide the network into smaller parts so as to simplify network analysis. However, on the other hand, it arises the concern that individual…

社会与信息网络 · 计算机科学 2019-05-07 Jinyin Chen , Lihong Chen , Yixian Chen , Minghao Zhao , Shanqing Yu , Qi Xuan , Xiaoniu Yang

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

Machine learning models are susceptible to membership inference attacks (MIAs), which aim to infer whether a sample is in the training set. Existing work utilizes gradient ascent to enlarge the loss variance of training data, alleviating…

机器学习 · 计算机科学 2024-06-19 Zhenlong Liu , Lei Feng , Huiping Zhuang , Xiaofeng Cao , Hongxin Wei

Federated Learning (FL) is a promising approach for training machine learning models on decentralized data while preserving privacy. However, privacy risks, particularly Membership Inference Attacks (MIAs), which aim to determine whether a…

机器学习 · 计算机科学 2025-03-28 Gongxi Zhu , Donghao Li , Hanlin Gu , Yuan Yao , Lixin Fan , Yuxing Han

Membership inference attacks (MIAs) infer whether a specific data record is used for target model training. MIAs have provoked many discussions in the information security community since they give rise to severe data privacy issues,…

人工智能 · 计算机科学 2022-03-02 Yu Wang , Lifu Huang , Philip S. Yu , Lichao Sun

Membership Inference Attacks (MIAs) aim to estimate whether a specific data point was used in the training of a given model. Existing state-of-the-art attacks typically rely on training multiple reference models to approximate the…

机器学习 · 计算机科学 2026-05-26 Zhenlong Liu , Wenyu Jiang , Feng Zhou , Hongxin Wei

$K$-NN classifier is one of the most famous classification algorithms, whose performance is crucially dependent on the distance metric. When we consider the distance metric as a parameter of $K$-NN, learning an appropriate distance metric…

机器学习 · 计算机科学 2019-11-26 Kun Song

Membership Inference Attacks (MIAs) have emerged as a principled framework for auditing the privacy of synthetic data generated by tabular generative models, where many diverse methods have been proposed that each exploit different privacy…

密码学与安全 · 计算机科学 2025-09-09 Joshua Ward , Yuxuan Yang , Chi-Hua Wang , Guang Cheng

Diffusion models have achieved tremendous success in image generation, but they also raise significant concerns regarding privacy and copyright issues. Membership Inference Attacks (MIAs) are designed to ascertain whether specific data was…

密码学与安全 · 计算机科学 2026-05-29 Puwei Lian , Yujun Cai , Songze Li , Bingkun Bao

Graph Neural Networks (GNNs) are widely adopted to analyse non-Euclidean data, such as chemical networks, brain networks, and social networks, modelling complex relationships and interdependency between objects. Recently, Membership…

机器学习 · 计算机科学 2021-10-19 Bang Wu , Xiangwen Yang , Shirui Pan , Xingliang Yuan

Linear regression analysis focuses on predicting a numeric regressand value based on certain regressor values. In this context, k-Nearest Neighbors (k-NN) is a common non-parametric regression algorithm, which achieves efficient performance…

While Federated Learning (FL) mitigates direct data exposure, the resulting trained models remain susceptible to membership inference attacks (MIAs). This paper presents an empirical evaluation of Differential Privacy (DP) as a defense…

密码学与安全 · 计算机科学 2026-04-16 Gustavo de Carvalho Bertoli

With the rapid advancements of large-scale text-to-image diffusion models, various practical applications have emerged, bringing significant convenience to society. However, model developers may misuse the unauthorized data to train…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Qiao Li , Xiaomeng Fu , Xi Wang , Jin Liu , Xingyu Gao , Jiao Dai , Jizhong Han

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…

机器学习 · 计算机科学 2024-02-14 Rohan Sharma , Shijie Zhou , Kaiyi Ji , Changyou Chen