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Related papers: Low-Cost High-Power Membership Inference Attacks

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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…

Machine Learning · Computer Science 2025-08-05 Yuetian Chen , Zhiqi Wang , Nathalie Baracaldo , Swanand Ravindra Kadhe , Lei Yu

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…

Machine Learning · Computer Science 2025-11-13 Paul Andrey , Batiste Le Bars , Marc Tommasi

Membership inference attacks (MIAs) on code completion models offer an effective way to assess privacy risks by inferring whether a given code snippet was part of the training data. Existing black- and gray-box MIAs rely on expensive…

Software Engineering · Computer Science 2025-11-20 Yuan Jiang , Zehao Li , Shan Huang , Christoph Treude , Xiaohong Su , Tiantian Wang

Membership inference attacks (MIAs) aim to determine whether a sample was part of a model's training set, posing serious privacy risks for modern machine-learning systems. Existing MIAs primarily rely on static indicators, such as loss or…

Artificial Intelligence · Computer Science 2026-02-06 Amit Kravchik Taub , Fred M. Grabovski , Guy Amit , Yisroel Mirsky

This paper introduces a novel approach to membership inference attacks (MIA) targeting stable diffusion computer vision models, specifically focusing on the highly sophisticated Stable Diffusion V2 by StabilityAI. MIAs aim to extract…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Thomas Cilloni , Charles Fleming , Charles Walter

Model explanations improve the transparency of black-box machine learning (ML) models and their decisions; however, they can also be exploited to carry out privacy threats such as membership inference attacks (MIA). Existing works have only…

Artificial Intelligence · Computer Science 2024-04-11 Kavita Kumari , Murtuza Jadliwala , Sumit Kumar Jha , Anindya Maiti

Membership inference attacks (MIAs) on diffusion models have emerged as potential evidence of unauthorized data usage in training pre-trained diffusion models. These attacks aim to detect the presence of specific images in training datasets…

Machine Learning · Computer Science 2024-10-07 Chumeng Liang , Jiaxuan You

The potential of transformer-based LLMs risks being hindered by privacy concerns due to their reliance on extensive datasets, possibly including sensitive information. Regulatory measures like GDPR and CCPA call for using robust auditing…

Cryptography and Security · Computer Science 2024-06-25 Filippo Galli , Luca Melis , Tommaso Cucinotta

Deep learning models often raise privacy concerns as they leak information about their training data. This enables an adversary to determine whether a data point was in a model's training set by conducting a membership inference attack…

Machine Learning · Computer Science 2020-06-11 Yigitcan Kaya , Sanghyun Hong , Tudor Dumitras

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

Large language models (LLMs) based recommender systems (RecSys) can adapt to different domains flexibly. It utilizes in-context learning (ICL), i.e., prompts, to customize the recommendation functions, which include sensitive historical…

Information Retrieval · Computer Science 2026-01-23 Jiajie He , Min-Chun Chen , Xintong Chen , Xinyang Fang , Yuechun Gu , Keke Chen

Machine learning models are vulnerable to membership inference attack, which can be used to determine whether a given sample appears in the training data. Most existing methods assume the attacker has full access to the features of the…

Machine Learning · Computer Science 2025-12-24 Xurun Wang , Guangrui Liu , Xinjie Li , Haoyu He , Lin Yao , Zhongyun Hua , Weizhe Zhang

Member inference (MI) attacks aim to determine if a specific data sample was used to train a machine learning model. Thus, MI is a major privacy threat to models trained on private sensitive data, such as medical records. In MI attacks one…

Machine Learning · Computer Science 2022-05-30 Gilad Cohen , Raja Giryes

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…

Cryptography and Security · Computer Science 2025-09-09 Joshua Ward , Yuxuan Yang , Chi-Hua Wang , Guang Cheng

Large Reasoning Models (LRMs) have rapidly gained prominence for their strong performance in solving complex tasks. Many modern black-box LRMs expose the intermediate reasoning traces through APIs to improve transparency (e.g., Gemini-2.5…

Cryptography and Security · Computer Science 2026-01-21 Ruihan Hu , Yu-Ming Shang , Wei Luo , Ye Tao , Xi Zhang

Membership inference attacks (MIAs) have been extensively studied in large language models (LLMs) and vision-language models (VLMs), yet their implications for vision-language-action (VLA) models remain largely unexplored. VLA models differ…

Cryptography and Security · Computer Science 2026-05-11 Yuefeng Peng , Mingzhe Li , Kejing Xia , Renhao Zhang , Amir Houmansadr

Modern machine learning (ML) ecosystems offer a surging number of ML frameworks and code repositories that can greatly facilitate the development of ML models. Today, even ordinary data holders who are not ML experts can apply off-the-shelf…

Cryptography and Security · Computer Science 2024-07-03 Zitao Chen , Karthik Pattabiraman

Membership inference attacks aim to infer whether a data record has been used to train a target model by observing its predictions. In sensitive domains such as healthcare, this can constitute a severe privacy violation. In this work we…

Cryptography and Security · Computer Science 2022-12-05 Tomas Chobola , Dmitrii Usynin , Georgios Kaissis

The proliferation of large language models (LLMs) in the real world has come with a rise in copyright cases against companies for training their models on unlicensed data from the internet. Recent works have presented methods to identify if…

Machine Learning · Computer Science 2024-06-11 Pratyush Maini , Hengrui Jia , Nicolas Papernot , Adam Dziedzic

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