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The proliferation of face forgery techniques has raised significant concerns within society, thereby motivating the development of face forgery detection methods. These methods aim to distinguish forged faces from genuine ones and have…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Jiawei Liang , Siyuan Liang , Aishan Liu , Xiaojun Jia , Junhao Kuang , Xiaochun Cao

As backdoor attacks become more stealthy and robust, they reveal critical weaknesses in current defense strategies: detection methods often rely on coarse-grained feature statistics, and purification methods typically require full…

密码学与安全 · 计算机科学 2025-08-05 Man Hu , Yahui Ding , Yatao Yang , Liangyu Chen , Yanhao Jia , Shuai Zhao

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

Despite the remarkable progress of diffusion models in image generation, recent studies reveal their vulnerability to backdoor attacks via covert visual or textual triggers. Although evolving defense mechanisms can detect most existing…

密码学与安全 · 计算机科学 2026-05-29 Jia Wu , Yu Pan , Junjun Yang , Yi Du

The rapid progress of graph generation has raised new security concerns, particularly regarding backdoor vulnerabilities. Though prior work has explored backdoor attacks against diffusion models for image or unconditional graph generation,…

机器学习 · 计算机科学 2026-04-24 Liang Ye , Shengqin Chen , Jiazhu Dai

Backdoor attacks pose a significant security vulnerability for deep neural networks (DNNs), enabling them to operate normally on clean inputs but manipulate predictions when specific trigger patterns occur. Currently, post-training backdoor…

密码学与安全 · 计算机科学 2024-10-22 Yanghao Su , Jie Zhang , Ting Xu , Tianwei Zhang , Weiming Zhang , Nenghai Yu

Recent advances in large text-conditional diffusion models have revolutionized image generation by enabling users to create realistic, high-quality images from textual prompts, significantly enhancing artistic creation and visual…

机器学习 · 计算机科学 2025-07-08 Ali Naseh , Jaechul Roh , Eugene Bagdasarian , Amir Houmansadr

Recent studies revealed that deep neural networks (DNNs) are exposed to backdoor threats when training with third-party resources (such as training samples or backbones). The backdoored model has promising performance in predicting benign…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Chengxiao Luo , Yiming Li , Yong Jiang , Shu-Tao Xia

The financial industry relies on deep learning models for making important decisions. This adoption brings new danger, as deep black-box models are known to be vulnerable to adversarial attacks. In computer vision, one can shape the output…

机器学习 · 计算机科学 2024-08-27 Alina Ermilova , Elizaveta Kovtun , Dmitry Berestnev , Alexey Zaytsev

Deep learning-based lane detection (LD) plays a critical role in autonomous driving and advanced driver assistance systems. However, its vulnerability to backdoor attacks presents a significant security concern. Existing backdoor attack…

密码学与安全 · 计算机科学 2026-03-26 Yifan Liao , Yuxin Cao , Yedi Zhang , Wentao He , Yan Xiao , Xianglong Du , Zhiyong Huang , Jin Song Dong

Consistency models are a new class of models that generate images by directly mapping noise to data, allowing for one-step generation and significantly accelerating the sampling process. However, their robustness against adversarial attacks…

密码学与安全 · 计算机科学 2025-02-18 Chengen Wang , Murat Kantarcioglu

Federated learning enables training high-utility models across several clients without directly sharing their private data. As a downside, the federated setting makes the model vulnerable to various adversarial attacks in the presence of…

机器学习 · 计算机科学 2024-03-12 Xiaoyang Wang , Dimitrios Dimitriadis , Sanmi Koyejo , Shruti Tople

The introduction of robust optimisation has pushed the state-of-the-art in defending against adversarial attacks. Notably, the state-of-the-art projected gradient descent (PGD)-based training method has been shown to be universally and…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Ezekiel Soremekun , Sakshi Udeshi , Sudipta Chattopadhyay

There have been several efforts in backdoor attacks, but these have primarily focused on the closed-set performance of classifiers (i.e., classification). This has left a gap in addressing the threat to classifiers' open-set performance,…

机器学习 · 计算机科学 2024-12-09 ZeinabSadat Taghavi , Hossein Mirzaei

Textual backdoor attacks are a kind of practical threat to NLP systems. By injecting a backdoor in the training phase, the adversary could control model predictions via predefined triggers. As various attack and defense models have been…

机器学习 · 计算机科学 2022-11-02 Ganqu Cui , Lifan Yuan , Bingxiang He , Yangyi Chen , Zhiyuan Liu , Maosong Sun

Recent researches show that deep learning model is susceptible to backdoor attacks. Many defenses against backdoor attacks have been proposed. However, existing defense works require high computational overhead or backdoor attack…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Mingfu Xue , Yinghao Wu , Zhiyu Wu , Yushu Zhang , Jian Wang , Weiqiang Liu

With the broad application of deep neural networks (DNNs), backdoor attacks have gradually attracted attention. Backdoor attacks are insidious, and poisoned models perform well on benign samples and are only triggered when given specific…

机器学习 · 计算机科学 2022-07-12 Chang Yue , Peizhuo Lv , Ruigang Liang , Kai Chen

As collaborative learning allows joint training of a model using multiple sources of data, the security problem has been a central concern. Malicious users can upload poisoned data to prevent the model's convergence or inject hidden…

密码学与安全 · 计算机科学 2021-01-21 Ximing Qiao , Yuhua Bai , Siping Hu , Ang Li , Yiran Chen , Hai Li

Text-to-image diffusion models have been widely adopted in real-world applications due to their ability to generate realistic images from textual descriptions. However, recent studies have shown that these methods are vulnerable to backdoor…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Oscar Chew , Po-Yi Lu , Jayden Lin , Hsuan-Tien Lin

Backdoor attacks have been shown to be a serious security threat against deep learning models, and detecting whether a given model has been backdoored becomes a crucial task. Existing defenses are mainly built upon the observation that the…

密码学与安全 · 计算机科学 2022-08-16 Tong Wang , Yuan Yao , Feng Xu , Miao Xu , Shengwei An , Ting Wang