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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

Deep learning models have recently shown to be vulnerable to backdoor poisoning, an insidious attack where the victim model predicts clean images correctly but classifies the same images as the target class when a trigger poison pattern is…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Alvin Chan , Yew-Soon Ong

Backdoor data poisoning is an emerging form of adversarial attack usually against deep neural network image classifiers. The attacker poisons the training set with a relatively small set of images from one (or several) source class(es),…

机器学习 · 计算机科学 2020-10-16 Zhen Xiang , David J. Miller , George Kesidis

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

Data-poisoning backdoor attacks are serious security threats to machine learning models, where an adversary can manipulate the training dataset to inject backdoors into models. In this paper, we focus on in-training backdoor defense, aiming…

密码学与安全 · 计算机科学 2024-10-16 Shaokui Wei , Hongyuan Zha , Baoyuan Wu

Backdoor attacks have posed a significant threat to the security of deep neural networks (DNNs). Despite considerable strides in developing defenses against backdoor attacks in the visual domain, the specialized defenses for the audio…

声音 · 计算机科学 2025-02-04 Nanjun Zhou , Weilin Lin , Li Liu

Backdoor attack has been considered as a serious security threat to deep neural networks (DNNs). Poisoned sample detection (PSD) that aims at filtering out poisoned samples from an untrustworthy training dataset has shown very promising…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Mingda Zhang , Mingli Zhu , Zihao Zhu , Baoyuan Wu

Deep neural networks have played a crucial part in many critical domains, such as autonomous driving, face recognition, and medical diagnosis. However, deep neural networks are facing security threats from backdoor attacks and can be…

密码学与安全 · 计算机科学 2023-11-30 Jiyang Guan , Jian Liang , Ran He

Recent studies have demonstrated the susceptibility of deep neural networks to backdoor attacks. Given a backdoored model, its prediction of a poisoned sample with trigger will be dominated by the trigger information, though trigger…

人工智能 · 计算机科学 2023-06-30 Mingli Zhu , Shaokui Wei , Hongyuan Zha , Baoyuan Wu

Recently, self-supervised learning (SSL) was shown to be vulnerable to patch-based data poisoning backdoor attacks. It was shown that an adversary can poison a small part of the unlabeled data so that when a victim trains an SSL model on…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Ajinkya Tejankar , Maziar Sanjabi , Qifan Wang , Sinong Wang , Hamed Firooz , Hamed Pirsiavash , Liang Tan

Deep image classification models trained on vast amounts of web-scraped data are susceptible to data poisoning - a mechanism for backdooring models. A small number of poisoned samples seen during training can severely undermine a model's…

密码学与安全 · 计算机科学 2023-06-30 Nils Lukas , Florian Kerschbaum

Backdoor attacks on deep neural networks have emerged as significant security threats, especially as DNNs are increasingly deployed in security-critical applications. However, most existing works assume that the attacker has access to the…

密码学与安全 · 计算机科学 2024-08-22 Jiahao Wang , Xianglong Zhang , Xiuzhen Cheng , Pengfei Hu , Guoming Zhang

Deep Neural Networks (DNN) are susceptible to backdoor attacks where malicious attackers manipulate the model's predictions via data poisoning. It is hence imperative to develop a strategy for training a clean model using a potentially…

密码学与安全 · 计算机科学 2023-12-21 Yiming Chen , Haiwei Wu , Jiantao Zhou

In the era of increasing concerns over cybersecurity threats, defending against backdoor attacks is paramount in ensuring the integrity and reliability of machine learning models. However, many existing approaches require substantial…

机器学习 · 计算机科学 2024-05-08 Kealan Dunnett , Reza Arablouei , Dimity Miller , Volkan Dedeoglu , Raja Jurdak

Deep Neural Networks (DNNs) are known to be vulnerable to backdoor attacks. In Natural Language Processing (NLP), DNNs are often backdoored during the fine-tuning process of a large-scale Pre-trained Language Model (PLM) with poisoned…

计算与语言 · 计算机科学 2022-10-19 Zhiyuan Zhang , Lingjuan Lyu , Xingjun Ma , Chenguang Wang , Xu Sun

Backdoor attacks aim to inject a backdoor into a classifier such that it predicts any input with an attacker-chosen backdoor trigger as an attacker-chosen target class. Existing backdoor attacks require either retraining the classifier with…

密码学与安全 · 计算机科学 2024-12-10 Bochuan Cao , Jinyuan Jia , Chuxuan Hu , Wenbo Guo , Zhen Xiang , Jinghui Chen , Bo Li , Dawn Song

Neural networks are widely known to be vulnerable to backdoor attacks, a method that poisons a portion of the training data to make the target model perform well on normal data sets, while outputting attacker-specified or random categories…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Yong Li , Han Gao

Federated Learning systems are increasingly subjected to a multitude of model poisoning attacks from clients. Among these, edge-case attacks that target a small fraction of the input space are nearly impossible to detect using existing…

机器学习 · 计算机科学 2024-08-15 Kiran Purohit , Soumi Das , Sourangshu Bhattacharya , Santu Rana

Backdoor attacks pose a significant threat to the integrity and reliability of Artificial Intelligence (AI) models, enabling adversaries to manipulate model behavior by injecting poisoned data with hidden triggers. These attacks can lead to…

机器学习 · 计算机科学 2026-03-31 Osama Wehbi , Sarhad Arisdakessian , Omar Abdel Wahab , Azzam Mourad , Hadi Otrok , Jamal Bentahar

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