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The increasing reliance on diffusion models for generating synthetic images has amplified concerns about the unauthorized use of personal data, particularly facial images, in model training. In this paper, we introduce a novel identity…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Jayneel Vora , Aditya Krishnan , Nader Bouacida , Prabhu RV Shankar , Prasant Mohapatra

It is critical to understand the privacy and robustness vulnerabilities of machine learning models, as their implementation expands in scope. In membership inference attacks, adversaries can determine whether a particular set of data was…

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

Model inversion attacks pose a significant privacy threat to machine learning models by reconstructing sensitive data from their outputs. While various defenses have been proposed to counteract these attacks, they often come at the cost of…

密码学与安全 · 计算机科学 2024-12-11 Shuai Zhou , Dayong Ye , Tianqing Zhu , Wanlei Zhou

Adversarial perturbations can be added to images to protect their content from unwanted inferences. These perturbations may, however, be ineffective against classifiers that were not {seen} during the generation of the perturbation, or…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Ricardo Sanchez-Matilla , Chau Yi Li , Ali Shahin Shamsabadi , Riccardo Mazzon , Andrea Cavallaro

Machine-learning based intrusion detection classifiers are able to detect unknown attacks, but at the same time, they may be susceptible to evasion by obfuscation techniques. An adversary intruder which possesses a crucial knowledge about a…

密码学与安全 · 计算机科学 2019-04-16 Ivan Homoliak , Martin Teknos , Martín Ochoa , Dominik Breitenbacher , Saeid Hosseini , Petr Hanacek

Neural networks have achieved remarkable performance across a wide range of tasks, yet they remain susceptible to adversarial perturbations, which pose significant risks in safety-critical applications. With the rise of multimodality,…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Xinxin Liu , Zhongliang Guo , Siyuan Huang , Chun Pong Lau

Face recognition (FR) has been applied to nearly every aspect of daily life, but it is always accompanied by the underlying risk of leaking private information. At present, almost all attack models against FR rely heavily on the presence of…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Yuanqing Huang , Huilong Chen , Yinggui Wang , Lei Wang

Machine learning (ML) is vulnerable to inference (e.g., membership inference, property inference, and data reconstruction) attacks that aim to infer the private information of training data or dataset. Existing defenses are only designed…

机器学习 · 计算机科学 2024-03-05 Sayedeh Leila Noorbakhsh , Binghui Zhang , Yuan Hong , Binghui Wang

The escalating sophistication of cyberattacks has encouraged the integration of machine learning techniques in intrusion detection systems, but the rise of adversarial examples presents a significant challenge. These crafted perturbations…

密码学与安全 · 计算机科学 2024-06-26 Mohamed Amine Merzouk , Erwan Beurier , Reda Yaich , Nora Boulahia-Cuppens , Frédéric Cuppens

We describe a threat model under which a split network-based federated learning system is susceptible to a model inversion attack by a malicious computational server. We demonstrate that the attack can be successfully performed with limited…

机器学习 · 计算机科学 2021-04-22 Tom Titcombe , Adam J. Hall , Pavlos Papadopoulos , Daniele Romanini

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…

密码学与安全 · 计算机科学 2021-10-13 Jiaxiang Liu , Simon Oya , Florian Kerschbaum

Thanks to their remarkable denoising capabilities, diffusion models are increasingly being employed as defensive tools to reinforce the security of other models, notably in purifying adversarial examples and certifying adversarial…

密码学与安全 · 计算机科学 2024-06-17 Changjiang Li , Ren Pang , Bochuan Cao , Jinghui Chen , Fenglong Ma , Shouling Ji , Ting Wang

Membership inference (MI) attack is currently the most popular test for measuring privacy leakage in machine learning models. Given a machine learning model, a data point and some auxiliary information, the goal of an MI attack is to…

机器学习 · 计算机科学 2023-03-09 Zhifeng Kong , Amrita Roy Chowdhury , Kamalika Chaudhuri

Recent works have brought attention to the vulnerability of Federated Learning (FL) systems to gradient leakage attacks. Such attacks exploit clients' uploaded gradients to reconstruct their sensitive data, thereby compromising the privacy…

机器学习 · 计算机科学 2025-06-11 Mingyuan Fan , Cen Chen , Chengyu Wang , Xiaodan Li , Wenmeng Zhou

The opacity of neural networks leads their vulnerability to backdoor attacks, where hidden attention of infected neurons is triggered to override normal predictions to the attacker-chosen ones. In this paper, we propose a novel backdoor…

机器学习 · 计算机科学 2022-08-16 Mingyuan Fan , Yang Liu , Cen Chen , Ximeng Liu , Wenzhong Guo

Information leakage is becoming a critical problem as various information becomes publicly available by mistake, and machine learning models train on that data to provide services. As a result, one's private information could easily be…

机器学习 · 计算机科学 2022-12-02 Geon Heo , Steven Euijong Whang

Deep neural networks have proven to be quite effective in a wide variety of machine learning tasks, ranging from improved speech recognition systems to advancing the development of autonomous vehicles. However, despite their superior…

机器学习 · 计算机科学 2016-12-14 Qinglong Wang , Wenbo Guo , Alexander G. Ororbia , Xinyu Xing , Lin Lin , C. Lee Giles , Xue Liu , Peng Liu , Gang Xiong

Recent advances in generative artificial intelligence applications have raised new data security concerns. This paper focuses on defending diffusion models against membership inference attacks. This type of attack occurs when the attacker…

机器学习 · 计算机科学 2026-05-08 Benjamin Sterling , Yousef El-Laham , Mónica F. Bugallo

Deep learning has shown impressive performance on challenging perceptual tasks and has been widely used in software to provide intelligent services. However, researchers found deep neural networks vulnerable to adversarial examples. Since…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Haowen Liu , Ping Yi , Hsiao-Ying Lin , Jie Shi , Weidong Qiu