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相关论文: Membership Inference Attacks for Unseen Classes

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Modern machine learning (ML) ecosystems offer a surging number of ML frameworks and code repositories that can greatly facilitate the development of ML models. Today, even ordinary data holders who are not ML experts can apply off-the-shelf…

密码学与安全 · 计算机科学 2024-07-03 Zitao Chen , Karthik Pattabiraman

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…

机器学习 · 计算机科学 2026-05-25 Anthony Hughes , Alexander Goldberg , Prince Jha , Adam Perer , Nikolaos Aletras , Niloofar Mireshghallah

Membership Inference Attacks (MIAs) have emerged as a valuable framework for evaluating privacy leakage by machine learning models. Score-based MIAs are distinguished, in particular, by their ability to exploit the confidence scores that…

机器学习 · 计算机科学 2025-02-28 Gauri Pradhan , Joonas Jälkö , Marlon Tobaben , Antti Honkela

Recent studies have shown that deep learning models are vulnerable to membership inference attacks (MIAs), which aim to infer whether a data record was used to train a target model or not. To analyze and study these vulnerabilities, various…

机器学习 · 统计学 2025-08-12 Chenxu Zhao , Wei Qian , Aobo Chen , Mengdi Huai

Artificial intelligence systems are prevalent in everyday life, with use cases in retail, manufacturing, health, and many other fields. With the rise in AI adoption, associated risks have been identified, including privacy risks to the…

机器学习 · 计算机科学 2024-07-19 Shlomit Shachor , Natalia Razinkov , Abigail Goldsteen

As large-scale models such as Large Language Models (LLMs) and Large Multimodal Models (LMMs) see increasing deployment, their privacy risks remain underexplored. Membership Inference Attacks (MIAs), which reveal whether a data point was…

机器学习 · 计算机科学 2025-09-03 Hengyu Wu , Yang Cao

With an increase in low-cost machine learning APIs, advanced machine learning models may be trained on private datasets and monetized by providing them as a service. However, privacy researchers have demonstrated that these models may leak…

Membership inference attacks (MIAs) aim to determine whether a data sample was included in a machine learning (ML) model's training set and have become the de facto standard for measuring privacy leakages in ML. We propose an evaluation…

密码学与安全 · 计算机科学 2026-03-25 Najeeb Jebreel , David Sánchez , Josep Domingo-Ferrer

Transfer learning, successful in knowledge translation across related tasks, faces a substantial privacy threat from membership inference attacks (MIAs). These attacks, despite posing significant risk to ML model's training data, remain…

密码学与安全 · 计算机科学 2025-01-22 Cong Wu , Jing Chen , Qianru Fang , Kun He , Ziming Zhao , Hao Ren , Guowen Xu , Yang Liu , Yang Xiang

Transfer learning has been widely studied and gained increasing popularity to improve the accuracy of machine learning models by transferring some knowledge acquired in different training. However, no prior work has pointed out that…

密码学与安全 · 计算机科学 2023-07-19 Seira Hidano , Takao Murakami , Yusuke Kawamoto

We demonstrate how a target model's generalization gap leads directly to an effective deterministic black box membership inference attack (MIA). This provides an upper bound on how secure a model can be to MIA based on a simple metric.…

机器学习 · 计算机科学 2020-09-15 Jason W. Bentley , Daniel Gibney , Gary Hoppenworth , Sumit Kumar Jha

Membership inference attack (MIA) has become one of the most widely used and effective methods for evaluating the privacy risks of machine learning models. These attacks aim to determine whether a specific sample is part of the model's…

密码学与安全 · 计算机科学 2025-06-04 Jing Xue , Zhishen Sun , Haishan Ye , Luo Luo , Xiangyu Chang , Ivor Tsang , Guang Dai

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…

密码学与安全 · 计算机科学 2024-05-14 Xiaoxiao Chi , Xuyun Zhang , Yan Wang , Lianyong Qi , Amin Beheshti , Xiaolong Xu , Kim-Kwang Raymond Choo , Shuo Wang , Hongsheng Hu

Membership inference (MI) attacks highlight a privacy weakness in present stochastic training methods for neural networks. It is not well understood, however, why they arise. Are they a natural consequence of imperfect generalization only?…

机器学习 · 计算机科学 2022-11-01 Teodora Baluta , Shiqi Shen , S. Hitarth , Shruti Tople , Prateek Saxena

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…

密码学与安全 · 计算机科学 2026-03-10 Najeeb Jebreel , Mona Khalil , David Sánchez , Josep Domingo-Ferrer

Machine learning models are prone to memorizing sensitive data, making them vulnerable to membership inference attacks in which an adversary aims to guess if an input sample was used to train the model. In this paper, we show that prior…

密码学与安全 · 计算机科学 2020-12-10 Liwei Song , Prateek Mittal

The arms race between attacks and defenses for machine learning models has come to a forefront in recent years, in both the security community and the privacy community. However, one big limitation of previous research is that the security…

机器学习 · 统计学 2019-08-27 Liwei Song , Reza Shokri , Prateek Mittal

Machine learning models have been shown to leak information violating the privacy of their training set. We focus on membership inference attacks on machine learning models which aim to determine whether a data point was used to train the…

密码学与安全 · 计算机科学 2020-09-02 Shadi Rahimian , Tribhuvanesh Orekondy , Mario Fritz

Machine learning (ML) has become a core component of many real-world applications and training data is a key factor that drives current progress. This huge success has led Internet companies to deploy machine learning as a service (MLaaS).…

密码学与安全 · 计算机科学 2018-12-18 Ahmed Salem , Yang Zhang , Mathias Humbert , Pascal Berrang , Mario Fritz , Michael Backes

Membership Inference Attacks (MIAs) infer whether a data point is in the training data of a machine learning model. It is a threat while being in the training data is private information of a data point. MIA correctly infers some data…

密码学与安全 · 计算机科学 2022-10-31 Mauro Conti , Jiaxin Li , Stjepan Picek