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Machine learning (ML) models are vulnerable to membership inference attacks (MIAs), which determine whether a given input is used for training the target model. While there have been many efforts to mitigate MIAs, they often suffer from…

Cryptography and Security · Computer Science 2023-07-06 Zitao Chen , Karthik Pattabiraman

With the widespread adoption of Large Language Models (LLMs) and increasingly stringent privacy regulations, protecting data privacy in LLMs has become essential, especially for privacy-sensitive applications. Membership Inference Attacks…

Cryptography and Security · Computer Science 2026-01-30 Md Tasnim Jawad , Mingyan Xiao , Yanzhao Wu

The success of deep neural networks has driven numerous research studies and applications from Euclidean to non-Euclidean data. However, there are increasing concerns about privacy leakage, as these networks rely on processing private data.…

Machine Learning · Computer Science 2025-11-03 Zhanke Zhou , Jianing Zhu , Fengfei Yu , Xuan Li , Xiong Peng , Tongliang Liu , Bo Han

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

Deep learning models have an intrinsic privacy issue as they memorize parts of their training data, creating a privacy leakage. Membership Inference Attacks (MIA) exploit it to obtain confidential information about the data used for…

Cryptography and Security · Computer Science 2025-03-13 Daniel Jiménez-López , Nuria Rodríguez-Barroso , M. Victoria Luzón , Francisco Herrera

The vulnerability of machine learning models to Membership Inference Attacks (MIAs) has garnered considerable attention in recent years. These attacks determine whether a data sample belongs to the model's training set or not. Recent…

Cryptography and Security · Computer Science 2024-09-05 Yu He , Boheng Li , Yao Wang , Mengda Yang , Juan Wang , Hongxin Hu , Xingyu Zhao

Membership inference attacks (MIAs) are widely used to assess the privacy risks associated with machine learning models. However, when these attacks are applied to pre-trained large language models (LLMs), they encounter significant…

Cryptography and Security · Computer Science 2026-05-26 Meng Tong , Yuntao Du , Kejiang Chen , Weiming Zhang , Ninghui Li

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

Small language models (SLMs) are increasingly valued for their efficiency and deployability in resource-constrained environments, making them useful for on-device, privacy-sensitive, and edge computing applications. On the other hand,…

Artificial Intelligence · Computer Science 2025-08-05 Roya Arkhmammadova , Hosein Madadi Tamar , M. Emre Gursoy

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

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

This report summarizes all the MIA experiments (Membership Inference Attacks) of the Embedding Attack Project, including threat models, experimental setup, experimental results, findings and discussion. Current results cover the evaluation…

Machine Learning · Computer Science 2024-01-26 Jiameng Pu , Zafar Takhirov

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

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

Federated Learning enables collaborative learning among clients via a coordinating server while avoiding direct data sharing, offering a perceived solution to preserve privacy. However, recent studies on Membership Inference Attacks (MIAs)…

Cryptography and Security · Computer Science 2025-08-04 Quan Nguyen , Minh N. Vu , Truc Nguyen , My T. Thai

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) aim to predict whether a data sample belongs to the model's training set or not. Although prior research has extensively explored MIAs in Large Language Models (LLMs), they typically require accessing to…

Cryptography and Security · Computer Science 2025-02-27 Yu He , Boheng Li , Liu Liu , Zhongjie Ba , Wei Dong , Yiming Li , Zhan Qin , Kui Ren , Chun Chen

Diffusion models have achieved tremendous success in image generation, but they also raise significant concerns regarding privacy and copyright issues. Membership Inference Attacks (MIAs) are designed to ascertain whether specific data was…

Cryptography and Security · Computer Science 2026-05-29 Puwei Lian , Yujun Cai , Songze Li , Bingkun Bao

Membership inference attacks (MIAs), which determine whether a specific data point was included in the training set of a target model, have posed severe threats in federated learning (FL). Unfortunately, existing MIA defenses, typically…

Cryptography and Security · Computer Science 2026-01-13 Li Bai , Junxu Liu , Sen Zhang , Xinwei Zhang , Qingqing Ye , Haibo Hu

The lack of data transparency in Large Language Models (LLMs) has highlighted the importance of Membership Inference Attack (MIA), which differentiates trained (member) and untrained (non-member) data. Though it shows success in previous…

Computation and Language · Computer Science 2024-12-19 Bowen Chen , Namgi Han , Yusuke Miyao