English
Related papers

Related papers: Practical Membership Inference Attacks Against Lar…

200 papers

Video large language models (VideoLLMs) are increasingly trained or instruction-tuned on large-scale video--text corpora collected from heterogeneous sources, raising an immediate privacy question: can an external auditor determine whether…

Cryptography and Security · Computer Science 2026-05-01 Wei Song , Yuxin Cao , Ziqi Ding , Yi Liu , Gelei Deng , Yuekang Li

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

Membership inference attacks (MIAs) test whether a target data record belongs to a system's private data, and have become a standard tool to measure privacy leakage in machine learning systems. Prior work has primarily focused on training…

Cryptography and Security · Computer Science 2026-05-28 Kai Chen , Yan Pang , Tianhao Wang

Membership Inference Attacks (MIAs) pose a critical privacy threat by enabling adversaries to determine whether a specific sample was included in a model's training dataset. Despite extensive research on MIAs, systematic comparisons between…

Cryptography and Security · Computer Science 2025-10-21 Owais Makroo , Siva Rajesh Kasa , Sumegh Roychowdhury , Karan Gupta , Nikhil Pattisapu , Santhosh Kasa , Sumit Negi

Membership inference (MI) determines if a sample was part of a victim model training set. Recent development of MI attacks focus on record-level membership inference which limits their application in many real-world scenarios. For example,…

Machine Learning · Computer Science 2022-04-27 Guoyao Li , Shahbaz Rezaei , Xin Liu

Large language models (LLMs) are trained on massive web-scale corpora, raising growing concerns about privacy and copyright. Membership inference attacks (MIAs) aim to determine whether a given example was used during training. Existing LLM…

Machine Learning · Computer Science 2026-04-02 Ravi Ranjan , Utkarsh Grover , Xiaomin Lin , Agoritsa Polyzou

Membership Inference Attack (MIA) identifies whether a record exists in a machine learning model's training set by querying the model. MIAs on the classic classification models have been well-studied, and recent works have started to…

Machine Learning · Computer Science 2024-12-30 Wenjie Fu , Huandong Wang , Liyuan Zhang , Chen Gao , Yong Li , Tao Jiang

Diffusion-based generative models have shown great potential for image synthesis, but there is a lack of research on the security and privacy risks they may pose. In this paper, we investigate the vulnerability of diffusion models to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Jinhao Duan , Fei Kong , Shiqi Wang , Xiaoshuang Shi , Kaidi Xu

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

Membership inference attacks (MIAs) against machine learning models can lead to serious privacy risks for the training dataset used in the model training. In this paper, we propose a novel and effective Neuron-Guided Defense method named…

Cryptography and Security · Computer Science 2022-12-14 Nuo Xu , Binghui Wang , Ran Ran , Wujie Wen , Parv Venkitasubramaniam

Large Multimodal Language Models (MLLMs) are emerging as one of the foundational tools in an expanding range of applications. Consequently, understanding training-data leakage in these systems is increasingly critical. Log-probability-based…

Cryptography and Security · Computer Science 2026-05-22 Ziyi Tong , Feifei Sun , Le Minh Nguyen

Recent studies propose membership inference (MI) attacks on deep models, where the goal is to infer if a sample has been used in the training process. Despite their apparent success, these studies only report accuracy, precision, and recall…

Machine Learning · Computer Science 2021-03-24 Shahbaz Rezaei , Xin Liu

In this evolving era of machine learning security, membership inference attacks have emerged as a potent threat to the confidentiality of sensitive data. In this attack, adversaries aim to determine whether a particular point was used…

Machine Learning · Computer Science 2024-06-21 Abhishek Sinha , Himanshi Tibrewal , Mansi Gupta , Nikhar Waghela , Shivank Garg

Federated Learning (FL) is an emerging solution to the data scarcity problem for training deep learning models in hardware assurance. While FL is designed to enhance privacy by not sharing raw data, it remains vulnerable to Membership…

Cryptography and Security · Computer Science 2026-04-23 Gijung Lee , Wavid Bowman , Olivia P. Dizon-Paradis , Reiner N. Dizon-Paradis , Ronald Wilson , Damon L. Woodard , Domenic Forte

Synthetic data generation plays an important role in enabling data sharing, particularly in sensitive domains like healthcare and finance. Recent advances in diffusion models have made it possible to generate realistic, high-quality tabular…

Cryptography and Security · Computer Science 2025-10-07 Eyal German , Daniel Samira , Yuval Elovici , Asaf Shabtai

Transfer learning (TL) has been demonstrated to improve DNN model performance when faced with a scarcity of training samples. However, the suitability of TL as a solution to reduce vulnerability of overfitted DNNs to privacy attacks is…

Recent work in the privacy literature shows that sample-targeted membership inference attacks (MIAs) significantly outperform untargeted approaches by a wide margin. Motivated by this observation, we address the following question: can the…

Machine Learning · Statistics 2026-05-27 Valentin Dorseuil , Jamal Atif , Olivier Cappé

Graph Neural Networks (GNNs), inspired by Convolutional Neural Networks (CNNs), aggregate the message of nodes' neighbors and structure information to acquire expressive representations of nodes for node classification, graph…

Cryptography and Security · Computer Science 2022-07-29 Mauro Conti , Jiaxin Li , Stjepan Picek , Jing Xu

Synthetic tabular data has gained attention for enabling privacy-preserving data sharing. While substantial progress has been made in single-table synthetic generation where data are modeled at the row or item level, most real-world data…

Machine Learning · Computer Science 2026-05-12 Joshua Ward , Chi-Hua Wang , Guang Cheng

The data used to train deep neural network (DNN) models in applications such as healthcare and finance typically contain sensitive information. A DNN model may suffer from overfitting. Overfitted models have been shown to be susceptible to…

Machine Learning · Computer Science 2022-12-19 Arezoo Rajabi , Dinuka Sahabandu , Luyao Niu , Bhaskar Ramasubramanian , Radha Poovendran