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Deep neural networks (DNNs) have been found to be vulnerable to backdoor attacks, raising security concerns about their deployment in mission-critical applications. While existing defense methods have demonstrated promising results, it is…

机器学习 · 计算机科学 2023-12-11 Yige Li , Xixiang Lyu , Xingjun Ma , Nodens Koren , Lingjuan Lyu , Bo Li , Yu-Gang Jiang

The security threat of backdoor attacks is a central concern for deep neural networks (DNNs). Recently, without poisoned data, unlearning models with clean data and then learning a pruning mask have contributed to backdoor defense.…

密码学与安全 · 计算机科学 2024-05-31 Weilin Lin , Li Liu , Shaokui Wei , Jianze Li , Hui Xiong

Backdoor attacks are emerging threats to deep neural networks, which typically embed malicious behaviors into a victim model by injecting poisoned samples. Adversaries can activate the injected backdoor during inference by presenting the…

密码学与安全 · 计算机科学 2025-12-05 Bingyin Zhao , Yingjie Lao

Backdoor attacks pose a persistent security risk to deep neural networks (DNNs) due to their stealth and durability. While recent research has explored leveraging model unlearning mechanisms to enhance backdoor concealment, existing attack…

密码学与安全 · 计算机科学 2025-10-16 Baogang Song , Dongdong Zhao , Jianwen Xiang , Qiben Xu , Zizhuo Yu

Backdoor attack has emerged as a major security threat to deep neural networks (DNNs). While existing defense methods have demonstrated promising results on detecting or erasing backdoors, it is still not clear whether robust training…

机器学习 · 计算机科学 2021-12-02 Yige Li , Xixiang Lyu , Nodens Koren , Lingjuan Lyu , Bo Li , Xingjun Ma

Backdoor attacks embed hidden functionalities in deep neural networks (DNN), triggering malicious behavior with specific inputs. Advanced defenses monitor anomalous DNN inferences to detect such attacks. However, concealed backdoors evade…

密码学与安全 · 计算机科学 2025-02-18 Manaar Alam , Hithem Lamri , Michail Maniatakos

As the capacity of deep neural networks (DNNs) increases, their need for huge amounts of data significantly grows. A common practice is to outsource the training process or collect more data over the Internet, which introduces the risks of…

机器学习 · 计算机科学 2023-11-14 Soroush Hashemifar , Saeed Parsa , Morteza Zakeri-Nasrabadi

Recent studies have exposed that GNNs are vulnerable to several adversarial attacks, among which backdoor attack is one of the toughest. Similar to Deep Neural Networks (DNNs), backdoor attacks in GNNs lie in the fact that the attacker…

密码学与安全 · 计算机科学 2024-11-14 Jiale Zhang , Chengcheng Zhu , Bosen Rao , Hao Sui , Xiaobing Sun , Bing Chen , Chunyi Zhou , Shouling Ji

Foundation models have revolutionized computer vision by enabling broad generalization across diverse tasks. Yet, they remain highly susceptible to adversarial perturbations and targeted backdoor attacks. Mitigating such vulnerabilities…

机器学习 · 计算机科学 2025-10-17 Amel Abdelraheem , Alessandro Favero , Gerome Bovet , Pascal Frossard

Recent studies have revealed that deep neural networks (DNNs) are vulnerable to backdoor attacks, where attackers embed hidden backdoors in the DNN model by poisoning a few training samples. The attacked model behaves normally on benign…

密码学与安全 · 计算机科学 2022-02-09 Kunzhe Huang , Yiming Li , Baoyuan Wu , Zhan Qin , Kui Ren

Multimodal contrastive learning uses various data modalities to create high-quality features, but its reliance on extensive data sources on the Internet makes it vulnerable to backdoor attacks. These attacks insert malicious behaviors…

密码学与安全 · 计算机科学 2024-10-01 Kuanrong Liu , Siyuan Liang , Jiawei Liang , Pengwen Dai , Xiaochun Cao

Backdoor attacks poison the training data, causing the model to behave normally on clean inputs but predict attacker-chosen labels when trigger patterns are embedded into the input samples. Defending against such attacks is highly…

密码学与安全 · 计算机科学 2026-04-28 Wei Guo , Maura Pintor , Ambra Demontis , Battista Biggio

Deep Neural Networks (DNN) are becoming increasingly more important in assisted and automated driving. Using such entities which are obtained using machine learning is inevitable: tasks such as recognizing traffic signs cannot be developed…

密码学与安全 · 计算机科学 2024-10-11 Akshay Dhonthi , Ernst Moritz Hahn , Vahid Hashemi

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

Backdoor unlearning aims to remove backdoor-related information while preserving the model's original functionality. However, existing unlearning methods mainly focus on recovering trigger patterns but fail to restore the correct semantic…

密码学与安全 · 计算机科学 2025-07-15 Yanghao Su , Jie Zhang , Yiming Li , Tianwei Zhang , Qing Guo , Weiming Zhang , Nenghai Yu , Nils Lukas , Wenbo Zhou

Deep neural networks (DNNs) provide excellent performance across a wide range of classification tasks, but their training requires high computational resources and is often outsourced to third parties. Recent work has shown that outsourced…

密码学与安全 · 计算机科学 2018-06-01 Kang Liu , Brendan Dolan-Gavitt , Siddharth Garg

Machine unlearning has emerged as a key component in ensuring ``Right to be Forgotten'', enabling the removal of specific data points from trained models. However, even when the unlearning is performed without poisoning the forget-set…

密码学与安全 · 计算机科学 2025-06-17 Marco Arazzi , Antonino Nocera , Vinod P

Deep learning models are well known to be susceptible to backdoor attack, where the attacker only needs to provide a tampered dataset on which the triggers are injected. Models trained on the dataset will passively implant the backdoor, and…

密码学与安全 · 计算机科学 2024-06-21 Zonghao Ying , Bin Wu

The success of a deep neural network (DNN) heavily relies on the details of the training scheme; e.g., training data, architectures, hyper-parameters, etc. Recent backdoor attacks suggest that an adversary can take advantage of such…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Nazmul Karim , Abdullah Al Arafat , Umar Khalid , Zhishan Guo , Naznin Rahnavard

Deep neural networks (DNNs) are vulnerable to backdoor attacks. Previous works have shown it extremely challenging to unlearn the undesired backdoor behavior from the network, since the entire network can be affected by the backdoor…

密码学与安全 · 计算机科学 2022-10-13 Haotao Wang , Junyuan Hong , Aston Zhang , Jiayu Zhou , Zhangyang Wang
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