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Recently, diffusion models have become popular tools for image synthesis because of their high-quality outputs. However, like other large-scale models, they may leak private information about their training data. Here, we demonstrate a…

Machine Learning · Computer Science 2023-12-11 Shuai Tang , Zhiwei Steven Wu , Sergul Aydore , Michael Kearns , Aaron Roth

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 (MIA) aim to infer whether a target data record has been utilized for model training or not. Existing MIAs designed for large language models (LLMs) can be bifurcated into two types: reference-free and…

Computation and Language · Computer Science 2024-11-27 Wenjie Fu , Huandong Wang , Chen Gao , Guanghua Liu , Yong Li , Tao Jiang

Membership Inference attacks (MIAs) aim to predict whether a data sample was present in the training data of a machine learning model or not, and are widely used for assessing the privacy risks of language models. Most existing attacks rely…

Computation and Language · Computer Science 2023-08-08 Justus Mattern , Fatemehsadat Mireshghallah , Zhijing Jin , Bernhard Schölkopf , Mrinmaya Sachan , Taylor Berg-Kirkpatrick

Neural network compression methods like pruning and quantization are very effective at efficiently deploying Deep Neural Networks (DNNs) on edge devices. However, DNNs remain vulnerable to adversarial examples-inconspicuous inputs that are…

Machine Learning · Computer Science 2020-12-14 Alberto G. Matachana , Kenneth T. Co , Luis Muñoz-González , David Martinez , Emil C. Lupu

Recent DNN pruning algorithms have succeeded in reducing the number of parameters in fully connected layers, often with little or no drop in classification accuracy. However, most of the existing pruning schemes either have to be applied…

Machine Learning · Computer Science 2018-03-13 Konstantinos Pitas , Mike Davies , Pierre Vandergheynst

Membership inference attacks (MIAs) have become the standard tool for evaluating privacy leakage in machine learning (ML). Among them, the Likelihood-Ratio Attack (LiRA) is widely regarded as the state of the art when sufficient shadow…

Cryptography and Security · Computer Science 2026-03-10 Najeeb Jebreel , Mona Khalil , David Sánchez , Josep Domingo-Ferrer

Differential Privacy (DP) is the de facto standard for reasoning about the privacy guarantees of a training algorithm. Despite the empirical observation that DP reduces the vulnerability of models to existing membership inference (MI)…

Machine Learning · Computer Science 2022-12-20 Anvith Thudi , Ilia Shumailov , Franziska Boenisch , Nicolas Papernot

Most approaches to deep neural network compression via pruning either evaluate a filter's importance using its weights or optimize an alternative objective function with sparsity constraints. While these methods offer a useful way to…

Machine Learning · Computer Science 2020-03-20 Madan Ravi Ganesh , Jason J. Corso , Salimeh Yasaei Sekeh

Membership inference attacks (MIAs) against Diffusion Models (DMs) raise pressing privacy concerns by revealing whether a sample was part of the training set. While existing methods typically rely on measuring reconstruction error across…

Machine Learning · Computer Science 2026-04-27 Mingxing Rao , Bowen Qu , Daniel Moyer

The vulnerability of deep neural networks against adversarial examples - inputs with small imperceptible perturbations - has gained a lot of attention in the research community recently. Simultaneously, the number of parameters of…

Machine Learning · Computer Science 2021-08-20 Florian Merkle , Maximilian Samsinger , Pascal Schöttle

Determining whether a dataset was part of a machine learning model's training data pool can reveal privacy vulnerabilities, a challenge often addressed through membership inference attacks (MIAs). Traditional MIAs typically require access…

Machine Learning · Computer Science 2025-06-03 Yongchao Huang

Model pruning seeks to induce sparsity in a deep neural network's various connection matrices, thereby reducing the number of nonzero-valued parameters in the model. Recent reports (Han et al., 2015; Narang et al., 2017) prune deep networks…

Machine Learning · Statistics 2017-11-15 Michael Zhu , Suyog Gupta

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

Recommender systems have been successfully applied in many applications. Nonetheless, recent studies demonstrate that recommender systems are vulnerable to membership inference attacks (MIAs), leading to the leakage of users' membership…

Cryptography and Security · Computer Science 2024-05-14 Xiaoxiao Chi , Xuyun Zhang , Yan Wang , Lianyong Qi , Amin Beheshti , Xiaolong Xu , Kim-Kwang Raymond Choo , Shuo Wang , Hongsheng Hu

Differentially private training algorithms provide protection against one of the most popular attacks in machine learning: the membership inference attack. However, these privacy algorithms incur a loss of the model's classification…

Cryptography and Security · Computer Science 2021-10-13 Jiaxiang Liu , Simon Oya , Florian Kerschbaum

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

Deep neural networks (DNNs) have been widely used in many artificial intelligence (AI) tasks. However, deploying them brings significant challenges due to the huge cost of memory, energy, and computation. To address these challenges,…

Machine Learning · Computer Science 2024-05-13 Xue Geng , Zhe Wang , Chunyun Chen , Qing Xu , Kaixin Xu , Chao Jin , Manas Gupta , Xulei Yang , Zhenghua Chen , Mohamed M. Sabry Aly , Jie Lin , Min Wu , Xiaoli Li

Safety classifiers are essential safeguards within generative AI systems, filtering harmful content or identifying at-risk users when interacting with large language models. Despite their necessity, these models are trained on sensitive…

Machine Learning · Computer Science 2026-05-25 Anthony Hughes , Alexander Goldberg , Prince Jha , Adam Perer , Nikolaos Aletras , Niloofar Mireshghallah

Membership inference attacks (MIAs) are popular methods for empirically assessing the leakage of sensitive information in the training data through models or statistics learned from the data. The MIA vulnerability is often evaluated through…

Machine Learning · Computer Science 2026-05-26 Joonas Jälkö , Gauri Pradhan , Ossi Räisä , Antti Honkela