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Diffusion models have achieved remarkable progress in image generation, but their increasing deployment raises serious concerns about privacy. In particular, fine-tuned models are highly vulnerable, as they are often fine-tuned on small and…

Cryptography and Security · Computer Science 2026-01-30 Puwei Lian , Yujun Cai , Songze Li , Bingkun Bao

The rapid advancement of diffusion-based image generation models has raised serious concerns regarding potential copyright and privacy infringements involving human-created data. Membership inference attacks (MIAs) have emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Tao Qi , Huili Wang , Yuanhong Huang , Wendan Wang , Lianchao Zhao , Jinrui Wang , Zichen Qin , Shangguang Wang , Yongfeng Huang

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

With the rapid advancements of large-scale text-to-image diffusion models, various practical applications have emerged, bringing significant convenience to society. However, model developers may misuse the unauthorized data to train…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Qiao Li , Xiaomeng Fu , Xi Wang , Jin Liu , Xingyu Gao , Jiao Dai , Jizhong Han

The increasing use of diffusion models for image generation, especially in sensitive areas like medical imaging, has raised significant privacy concerns. Membership Inference Attack (MIA) has emerged as a potential approach to determine if…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Xinkai Zhao , Yuta Tokuoka , Junichiro Iwasawa , Keita Oda

Membership inference attacks (MIA) try to detect if data samples were used to train a neural network model, e.g. to detect copyright abuses. We show that models with higher dimensional input and output are more vulnerable to MIA, and…

Machine Learning · Computer Science 2021-08-19 Avital Shafran , Shmuel Peleg , Yedid Hoshen

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

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

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

Membership inference attacks (MIAs) against machine learning (ML) models aim to determine whether a given data point was part of the model training data. These attacks may pose significant privacy risks to individuals whose sensitive data…

Cryptography and Security · Computer Science 2025-11-24 Mona Khalil , Alberto Blanco-Justicia , Najeeb Jebreel , Josep Domingo-Ferrer

Membership inference attacks (MIAs) aim to infer whether a data point has been used to train a machine learning model. These attacks can be employed to identify potential privacy vulnerabilities and detect unauthorized use of personal data.…

Machine Learning · Computer Science 2023-10-03 Myeongseob Ko , Ming Jin , Chenguang Wang , Ruoxi Jia

Recently, diffusion models have achieved remarkable success in generating tasks, including image and audio generation. However, like other generative models, diffusion models are prone to privacy issues. In this paper, we propose an…

Sound · Computer Science 2023-10-10 Fei Kong , Jinhao Duan , RuiPeng Ma , Hengtao Shen , Xiaofeng Zhu , Xiaoshuang Shi , Kaidi Xu

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

Machine learning (ML) models have been widely applied to various applications, including image classification, text generation, audio recognition, and graph data analysis. However, recent studies have shown that ML models are vulnerable to…

Machine Learning · Computer Science 2022-02-04 Hongsheng Hu , Zoran Salcic , Lichao Sun , Gillian Dobbie , Philip S. Yu , Xuyun Zhang

Membership inference attacks (MIA) can reveal whether a particular data point was part of the training dataset, potentially exposing sensitive information about individuals. This article provides theoretical guarantees by exploring the…

Machine Learning · Statistics 2025-10-08 Eric Aubinais , Elisabeth Gassiat , Pablo Piantanida

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

The rise of generative image models leads to privacy concerns when it comes to the huge datasets used to train such models. This paper investigates the possibility of inferring if a set of face images was used for fine-tuning a Latent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Lauritz Christian Holme , Anton Mosquera Storgaard , Siavash Arjomand Bigdeli

Generative audio models, based on diffusion and autoregressive architectures, have advanced rapidly in both quality and expressiveness. This progress, however, raises pressing copyright concerns, as such models are often trained on vast…

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

Deep learning models, while achieving remarkable performances, are vulnerable to membership inference attacks (MIAs). Although various defenses have been proposed, there is still substantial room for improvement in the privacy-utility…

Cryptography and Security · Computer Science 2025-09-29 Yuefeng Peng , Ali Naseh , Amir Houmansadr
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