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Related papers: An Efficient Membership Inference Attack for the D…

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Federated learning (FL) is a popular approach to facilitate privacy-aware machine learning since it allows multiple clients to collaboratively train a global model without granting others access to their private data. It is, however, known…

Cryptography and Security · Computer Science 2023-10-03 Hongsheng Hu , Xuyun Zhang , Zoran Salcic , Lichao Sun , Kim-Kwang Raymond Choo , Gillian Dobbie

Since machine learning model is often trained on a limited data set, the model is trained multiple times on the same data sample, which causes the model to memorize most of the training set data. Membership Inference Attacks (MIAs) exploit…

Machine Learning · Computer Science 2024-11-19 Depeng Chen , Xiao Liu , Jie Cui , Hong Zhong

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

We propose Fast-MIA (https://github.com/Nikkei/fast-mia), a Python library for efficiently evaluating membership inference attacks (MIA) against large language models (LLMs). MIA has emerged as a crucial technique for auditing privacy risks…

Cryptography and Security · Computer Science 2026-05-12 Hiromu Takahashi , Shotaro Ishihara

The vulnerability of the Lottery Ticket Hypothesis has not been studied from the purview of Membership Inference Attacks. Through this work, we are the first to empirically show that the lottery ticket networks are equally vulnerable to…

Machine Learning · Computer Science 2021-08-10 Aadesh Bagmar , Shishira R Maiya , Shruti Bidwalka , Amol Deshpande

Large Language Models (LLMs) are increasingly deployed to enable or improve a multitude of real-world applications. Given the large size of their training data sets, their tendency to memorize training data raises serious privacy and…

Machine Learning · Computer Science 2026-01-27 Pedram Zaree , Md Abdullah Al Mamun , Yue Dong , Ihsen Alouani , Nael Abu-Ghazaleh

Large language models (LLMs) have been widely applied for their remarkable capability of content generation. However, the practical use of open-source LLMs is hindered by high resource requirements, making deployment expensive and limiting…

Cryptography and Security · Computer Science 2025-05-05 Wenjie Qu , Yuguang Zhou , Yongji Wu , Tingsong Xiao , Binhang Yuan , Yiming Li , Jiaheng Zhang

A number of recent works have demonstrated that API access to machine learning models leaks information about the dataset records used to train the models. Further, the work of \cite{somesh-overfit} shows that such membership inference…

Cryptography and Security · Computer Science 2019-10-15 Benjamin Zi Hao Zhao , Hassan Jameel Asghar , Raghav Bhaskar , Mohamed Ali Kaafar

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…

Machine Learning · Computer Science 2025-10-28 Yongchao Huang , Pengfei Zhang , Shahzad Mumtaz

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

In recent years, the widespread adoption of Machine Learning as a Service (MLaaS), particularly in sensitive environments, has raised considerable privacy concerns. Of particular importance are membership inference attacks (MIAs), which…

Cryptography and Security · Computer Science 2026-02-16 Osama Zafar , Shaojie Zhan , Tianxi Ji , Erman Ayday

We develop practical and theoretically grounded membership inference attacks (MIAs) against both independent and identically distributed (i.i.d.) data and graph-structured data. Building on the Bayesian decision-theoretic framework of…

Machine Learning · Computer Science 2025-10-29 Marcus Lassila , Johan Östman , Khac-Hoang Ngo , Alexandre Graell i Amat

Generative Adversarial Networks (GANs) and diffusion models have emerged as leading approaches for high-quality image synthesis. While both can be trained under differential privacy (DP) to protect sensitive data, their sensitivity to…

Machine Learning · Computer Science 2025-09-04 Ilana Sebag , Jean-Yves Franceschi , Alain Rakotomamonjy , Alexandre Allauzen , Jamal Atif

Model inversion attacks (MIAs) aim to recover private data from inaccessible training sets of deep learning models, posing a privacy threat. MIAs primarily focus on the white-box scenario where attackers have full access to the model's…

Artificial Intelligence · Computer Science 2024-03-07 Rongke Liu , Dong Wang , Yizhi Ren , Zhen Wang , Kaitian Guo , Qianqian Qin , Xiaolei Liu

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

Large Language Models (LLMs) have seen widespread adoption due to their remarkable natural language capabilities. However, when deploying them in real-world settings, it is important to align LLMs to generate texts according to acceptable…

Artificial Intelligence · Computer Science 2025-04-29 Qizhang Feng , Siva Rajesh Kasa , Santhosh Kumar Kasa , Hyokun Yun , Choon Hui Teo , Sravan Babu Bodapati

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…

Machine Learning · Computer Science 2025-09-11 Jiashu Tao , Reza Shokri

Text-to-image generation models have recently attracted unprecedented attention as they unlatch imaginative applications in all areas of life. However, developing such models requires huge amounts of data that might contain…

Cryptography and Security · Computer Science 2022-10-04 Yixin Wu , Ning Yu , Zheng Li , Michael Backes , Yang Zhang

Language Models (LMs) typically adhere to a "pre-training and fine-tuning" paradigm, where a universal pre-trained model can be fine-tuned to cater to various specialized domains. Low-Rank Adaptation (LoRA) has gained the most widespread…

Cryptography and Security · Computer Science 2025-07-25 Delong Ran , Xinlei He , Tianshuo Cong , Anyu Wang , Qi Li , Xiaoyun Wang

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