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Related papers: LoMime: Query-Efficient Membership Inference using…

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Retrieval-augmented generation (RAG) has become central to large language model (LLM) deployments, grounding responses in enterprise or proprietary data to reduce hallucinations. However, this design introduces a new privacy risk: model…

Cryptography and Security · Computer Science 2026-05-26 Nguyen Linh Bao Nguyen , Wanlun Ma , Viet Vo , Alsharif Abuadbba , Minghong Fang , Jun Zhang , Yang Xiang

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

Data is the foundation of most science. Unfortunately, sharing data can be obstructed by the risk of violating data privacy, impeding research in fields like healthcare. Synthetic data is a potential solution. It aims to generate data that…

Machine Learning · Computer Science 2023-02-27 Boris van Breugel , Hao Sun , Zhaozhi Qian , Mihaela van der Schaar

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…

Signal Processing · Electrical Eng. & Systems 2020-06-26 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu

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…

Machine Learning · Computer Science 2025-03-28 Gongxi Zhu , Donghao Li , Hanlin Gu , Yuan Yao , Lixin Fan , Yuxing Han

Membership inference attack (MIA) poses a significant privacy threat in federated learning (FL) as it allows adversaries to determine whether a client's private dataset contains a specific data sample. While defenses against membership…

Machine Learning · Computer Science 2026-02-10 Quan Minh Nguyen , Min-Seon Kim , Hoang M. Ngo , Trong Nghia Hoang , Hyuk-Yoon Kwon , My T. Thai

Large Language Models (LLMs) are increasingly used in a variety of applications, but concerns around membership inference have grown in parallel. Previous efforts focus on black-to-grey-box models, thus neglecting the potential benefit from…

Cryptography and Security · Computer Science 2025-01-13 Luis Ibanez-Lissen , Lorena Gonzalez-Manzano , Jose Maria de Fuentes , Nicolas Anciaux , Joaquin Garcia-Alfaro

In this paper we develop state-of-the-art privacy attacks against Large Language Models (LLMs), where an adversary with some access to the model tries to learn something about the underlying training data. Our headline results are new…

Cryptography and Security · Computer Science 2024-07-16 Jeffrey G. Wang , Jason Wang , Marvin Li , Seth Neel

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,…

Information Retrieval · Computer Science 2022-06-29 Zihan Wang , Na Huang , Fei Sun , Pengjie Ren , Zhumin Chen , Hengliang Luo , Maarten de Rijke , Zhaochun Ren

Membership Inference Attacks (MIAs) on pre-trained Large Language Models (LLMs) aim at determining if a data point was part of the model's training set. Prior MIAs that are built for classification models fail at LLMs, due to ignoring the…

Computation and Language · Computer Science 2025-09-17 Hongyan Chang , Ali Shahin Shamsabadi , Kleomenis Katevas , Hamed Haddadi , Reza Shokri

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

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

Label smoothing -- using softened labels instead of hard ones -- is a widely adopted regularization method for deep learning, showing diverse benefits such as enhanced generalization and calibration. Its implications for preserving model…

Machine Learning · Computer Science 2024-07-09 Lukas Struppek , Dominik Hintersdorf , Kristian Kersting

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 Attacks (MIAs) have recently been employed to determine whether a specific text was part of the pre-training data of Large Language Models (LLMs). However, existing methods often misinfer non-members as members, leading…

Machine Learning · Computer Science 2025-05-07 Saleh Zare Zade , Yao Qiang , Xiangyu Zhou , Hui Zhu , Mohammad Amin Roshani , Prashant Khanduri , Dongxiao Zhu

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

Large Language Models (LLMs) are trained on large-scale web data, which makes it difficult to grasp the contribution of each text. This poses the risk of leaking inappropriate data such as benchmarks, personal information, and copyrighted…

Computation and Language · Computer Science 2024-04-18 Masahiro Kaneko , Youmi Ma , Yuki Wata , Naoaki Okazaki

Machine unlearning (MU) is essential for enforcing the right to be forgotten in machine learning systems. A key challenge of MU is how to reliably audit whether a model has truly forgotten specified training data. Membership Inference…

Machine Learning · Computer Science 2026-05-08 Jialong Sun , Zeming Wei , Jiaxuan Zou , Jiacheng Gong , Jie Fu , Chengyang Dong , Heng Xu , Jialong Li , Bo Liu

Membership inference attacks (MIAs) are becoming standard tools for auditing the privacy of machine learning models. The leading attacks -- LiRA (Carlini et al., 2022) and RMIA (Zarifzadeh et al., 2024) -- appear to use distinct scoring…

Machine Learning · Computer Science 2026-03-13 Rickard Brännvall

Given the rising popularity of AI-generated art and the associated copyright concerns, identifying whether an artwork was used to train a diffusion model is an important research topic. The work approaches this problem from the membership…

Cryptography and Security · Computer Science 2025-08-14 Jingwei Li , Jing Dong , Tianxing He , Jingzhao Zhang