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Backdoor attacks become a significant security concern for deep neural networks in recent years. An image classification model can be compromised if malicious backdoors are injected into it. This corruption will cause the model to function…

Cryptography and Security · Computer Science 2024-03-13 Hongwei Zhang , Xiaoyin Xu , Dongsheng An , Xianfeng Gu , Min Zhang

Personalized federated learning (PFL) creates client-specific models to handle data heterogeneity. Previously, PFL has been shown to be naturally resistant to backdoor attack propagation across clients. In this work, we reveal that PFL…

Cryptography and Security · Computer Science 2026-02-24 Nahom Birhan , Daniel Wesego , Dereje Shenkut , Frank Liu , Daniel Takabi

Graph Neural Networks (GNNs) have achieved promising results in tasks such as node classification and graph classification. However, recent studies reveal that GNNs are vulnerable to backdoor attacks, posing a significant threat to their…

Machine Learning · Computer Science 2025-03-13 Zhiwei Zhang , Minhua Lin , Junjie Xu , Zongyu Wu , Enyan Dai , Suhang Wang

Deep neural networks (DNNs) are now the de facto choice for computer vision tasks such as image classification. However, their complexity and "black box" nature often renders the systems they're deployed in vulnerable to a range of security…

Cryptography and Security · Computer Science 2021-10-19 Chandramouli Amarnath , Aishwarya H. Balwani , Kwondo Ma , Abhijit Chatterjee

Dataset condensation aims to synthesize compact yet informative datasets that retain the training efficacy of full-scale data, offering substantial gains in efficiency. Recent studies reveal that the condensation process can be vulnerable…

Cryptography and Security · Computer Science 2026-04-01 He Yang , Dongyi Lv , Song Ma , Wei Xi , Jizhong Zhao

Domain Name System (DNS), one of the important infrastructure in the Internet, was vulnerable to attacks, for the DNS designer didn't take security issues into consideration at the beginning. The defects of DNS may lead to users' failure of…

Networking and Internet Architecture · Computer Science 2017-04-24 Caiyun Huang , Peng Zhang , Junpeng Liu , Yong Sun , Xueqiang Zou

Deep speech classification has achieved tremendous success and greatly promoted the emergence of many real-world applications. However, backdoor attacks present a new security threat to it, particularly with untrustworthy third-party…

Sound · Computer Science 2023-08-15 Zhe Ye , Terui Mao , Li Dong , Diqun Yan

As machine learning (ML) systems are being increasingly employed in the real world to handle sensitive tasks and make decisions in various fields, the security and privacy of those models have also become increasingly critical. In…

Cryptography and Security · Computer Science 2023-02-21 Marwan Omar

Backdoor attack against deep neural networks is currently being profoundly investigated due to its severe security consequences. Current state-of-the-art backdoor attacks require the adversary to modify the input, usually by adding a…

Cryptography and Security · Computer Science 2020-10-09 Ahmed Salem , Michael Backes , Yang Zhang

Deep reinforcement learning (DRL) has achieved remarkable success in a wide range of sequential decision-making applications, including robotics, healthcare, smart grids, and finance. Recent studies reveal that adversaries can implant…

Cryptography and Security · Computer Science 2025-11-19 Mingxuan Zhang , Oubo Ma , Kang Wei , Songze Li , Shouling Ji

Time series classification(TSC) has always been an important and challenging research task. With the wide application of deep learning, more and more researchers use deep learning models to solve TSC problems. Since time series always…

Machine Learning · Computer Science 2021-01-27 Shibo Zhou , Yu Pan

A recent trojan attack on deep neural network (DNN) models is one insidious variant of data poisoning attacks. Trojan attacks exploit an effective backdoor created in a DNN model by leveraging the difficulty in interpretability of the…

Cryptography and Security · Computer Science 2020-01-20 Yansong Gao , Chang Xu , Derui Wang , Shiping Chen , Damith C. Ranasinghe , Surya Nepal

The rise of deep learning (DL) has increased computing complexity and energy use, prompting the adoption of application specific integrated circuits (ASICs) for energy-efficient edge and mobile deployment. However, recent studies have…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Hanene F. Z. Brachemi Meftah , Wassim Hamidouche , Sid Ahmed Fezza , Olivier Déforges , Kassem Kallas

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…

Cryptography and Security · Computer Science 2025-12-05 Bingyin Zhao , Yingjie Lao

Backdoor attack is a common threat to deep neural networks. During testing, samples embedded with a backdoor trigger will be misclassified as an adversarial target by a backdoored model, while samples without the backdoor trigger will be…

Machine Learning · Computer Science 2024-01-05 Zhen Xiang , Zidi Xiong , Bo Li

Backdoor attacks pose a critical threat to the security of deep neural networks, yet existing efforts on universal backdoors often rely on visually salient patterns, making them easier to detect and less practical at scale. In this work, we…

Cryptography and Security · Computer Science 2026-03-03 Hsin Lin , Yan-Lun Chen , Ren-Hung Hwang , Chia-Mu Yu

As Spiking Neural Networks (SNNs) gain traction across various applications, understanding their security vulnerabilities becomes increasingly important. In this work, we focus on the adversarial attacks, which is perhaps the most…

Cryptography and Security · Computer Science 2025-05-13 Spyridon Raptis , Haralampos-G. Stratigopoulos

Graph Neural Networks (GNNs) have significantly advanced various downstream graph-relevant tasks, encompassing recommender systems, molecular structure prediction, social media analysis, etc. Despite the boosts of GNN, recent research has…

Machine Learning · Computer Science 2025-01-08 Xiao Yang , Gaolei Li , Jianhua Li

We study the black-box attacks on graph neural networks (GNNs) under a novel and realistic constraint: attackers have access to only a subset of nodes in the network, and they can only attack a small number of them. A node selection step is…

Machine Learning · Computer Science 2021-10-28 Jiaqi Ma , Shuangrui Ding , Qiaozhu Mei

Denial-of-Service (DoS) attacks remain a critical threat to network security, disrupting services and causing significant economic losses. Traditional detection methods, including statistical and rule-based models, struggle to adapt to…

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