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Recent studies have revealed the vulnerability of Deep Neural Network (DNN) models to backdoor attacks. However, existing backdoor attacks arbitrarily set the trigger mask or use a randomly selected trigger, which restricts the…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Xueluan Gong , Bowei Tian , Meng Xue , Yuan Wu , Yanjiao Chen , Qian Wang

Backdoor attacks have been widely studied to hide the misclassification rules in the normal models, which are only activated when the model is aware of the specific inputs (i.e., the trigger). However, despite their success in the…

人工智能 · 计算机科学 2022-01-19 Liang Chen , Qibiao Peng , Jintang Li , Yang Liu , Jiawei Chen , Yong Li , Zibin Zheng

Recently backdoor attack has become an emerging threat to the security of deep neural network (DNN) models. To date, most of the existing studies focus on backdoor attack against the uncompressed model; while the vulnerability of compressed…

密码学与安全 · 计算机科学 2022-08-24 Huy Phan , Cong Shi , Yi Xie , Tianfang Zhang , Zhuohang Li , Tianming Zhao , Jian Liu , Yan Wang , Yingying Chen , Bo Yuan

Deep neural networks (DNNs) are vulnerable to backdoor attacks. The backdoor adversaries intend to maliciously control the predictions of attacked DNNs by injecting hidden backdoors that can be activated by adversary-specified trigger…

密码学与安全 · 计算机科学 2023-03-07 Tong Xu , Yiming Li , Yong Jiang , Shu-Tao Xia

The success of deep neural networks (DNNs) in real-world applications has benefited from abundant pre-trained models. However, the backdoored pre-trained models can pose a significant trojan threat to the deployment of downstream DNNs.…

密码学与安全 · 计算机科学 2024-07-18 Haibo Jin , Ruoxi Chen , Jinyin Chen , Haibin Zheng , Yang Zhang , Haohan Wang

Backdoor attack is a powerful attack algorithm to deep learning model. Recently, GNN's vulnerability to backdoor attack has been proved especially on graph classification task. In this paper, we propose the first backdoor detection and…

人工智能 · 计算机科学 2022-09-08 Bingchen Jiang , Zhao Li

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where adversaries embed a hidden backdoor trigger during the training process for malicious prediction manipulation. These attacks pose great threats to the applications of…

密码学与安全 · 计算机科学 2023-02-21 Junfeng Guo , Yiming Li , Xun Chen , Hanqing Guo , Lichao Sun , Cong Liu

Deep neural networks (DNNs) have been proven vulnerable to backdoor attacks, where hidden features (patterns) trained to a normal model, which is only activated by some specific input (called triggers), trick the model into producing…

密码学与安全 · 计算机科学 2020-09-01 Shaofeng Li , Minhui Xue , Benjamin Zi Hao Zhao , Haojin Zhu , Xinpeng Zhang

Backdoor attacks aim to surreptitiously insert malicious triggers into DNN models, granting unauthorized control during testing scenarios. Existing methods lack robustness against defense strategies and predominantly focus on enhancing…

密码学与安全 · 计算机科学 2024-12-03 Pengfei He , Yue Xing , Han Xu , Jie Ren , Yingqian Cui , Shenglai Zeng , Jiliang Tang , Makoto Yamada , Mohammad Sabokrou

With the widespread use of deep learning system in many applications, the adversary has strong incentive to explore vulnerabilities of deep neural networks and manipulate them. Backdoor attacks against deep neural networks have been…

密码学与安全 · 计算机科学 2019-06-05 Jiazhu Dai , Chuanshuai Chen

Adversarial attacks in time series classification (TSC) models have recently gained attention due to their potential to compromise model robustness. Imperceptibility is crucial, as adversarial examples detected by the human vision system…

密码学与安全 · 计算机科学 2025-03-26 Wenwei Gu , Renyi Zhong , Jianping Zhang , Michael R. Lyu

As deep neural networks and the datasets used to train them get larger, the default approach to integrating them into research and commercial projects is to download a pre-trained model and fine tune it. But these models can have uncertain…

机器学习 · 计算机科学 2024-01-12 Khondoker Murad Hossain , Tim Oates

Deep neural networks (DNNs) are vulnerable to "backdoor" poisoning attacks, in which an adversary implants a secret trigger into an otherwise normally functioning model. Detection of backdoors in trained models without access to the…

机器学习 · 计算机科学 2021-03-19 Todd Huster , Emmanuel Ekwedike

Recent studies have demonstrated that deep neural networks (DNNs) are vulnerable to backdoor attacks during the training process. Specifically, the adversaries intend to embed hidden backdoors in DNNs so that malicious model predictions can…

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

Deep neural networks (DNNs) have demonstrated remarkable performance across various tasks, including image and speech recognition. However, maximizing the effectiveness of DNNs requires meticulous optimization of numerous hyperparameters…

密码学与安全 · 计算机科学 2024-06-14 Gorka Abad , Oguzhan Ersoy , Stjepan Picek , Aitor Urbieta

Multivariate Time Series (MTS) forecasting is a fundamental task with numerous real-world applications, such as transportation, climate, and epidemiology. While a myriad of powerful deep learning models have been developed for this task,…

机器学习 · 计算机科学 2024-10-04 Xiao Lin , Zhining Liu , Dongqi Fu , Ruizhong Qiu , Hanghang Tong

As advances in Deep Neural Networks (DNNs) demonstrate unprecedented levels of performance in many critical applications, their vulnerability to attacks is still an open question. We consider evasion attacks at testing time against Deep…

密码学与安全 · 计算机科学 2022-06-16 Alesia Chernikova , Alina Oprea

Graph Neural Networks (GNNs) are a class of deep learning models capable of processing graph-structured data, and they have demonstrated significant performance in a variety of real-world applications. Recent studies have found that GNN…

机器学习 · 计算机科学 2025-05-07 Jiazhu Dai , Haoyu Sun

Diffusion models have been widely deployed in AIGC services; however, their reliance on opaque training data and procedures exposes a broad attack surface for backdoor injection. In practical auditing scenarios, due to the protection of…

密码学与安全 · 计算机科学 2026-02-03 Bingzheng Wang , Xiaoyan Gu , Hongbo Xu , Hongcheng Li , Zimo Yu , Jiang Zhou , Weiping Wang

While convolutional neural networks (CNNs) have achieved success in computer vision tasks, it is vulnerable to backdoor attacks. Such attacks could mislead the victim model to make attacker-chosen prediction with a specific trigger pattern.…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Yanqi Qiao , Dazhuang Liu , Rui Wang , Kaitai Liang