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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

Backdoor (Trojan) attacks are emerging threats against deep neural networks (DNN). A DNN being attacked will predict to an attacker-desired target class whenever a test sample from any source class is embedded with a backdoor pattern; while…

密码学与安全 · 计算机科学 2021-12-08 Xi Li , Zhen Xiang , David J. Miller , George Kesidis

Backdoor attacks are a kind of emergent security threat in deep learning. After being injected with a backdoor, a deep neural model will behave normally on standard inputs but give adversary-specified predictions once the input contains…

密码学与安全 · 计算机科学 2022-10-20 Yangyi Chen , Fanchao Qi , Hongcheng Gao , Zhiyuan Liu , Maosong Sun

Machine learning systems are deployed in critical settings, but they might fail in unexpected ways, impacting the accuracy of their predictions. Poisoning attacks against machine learning induce adversarial modification of data used by a…

机器学习 · 计算机科学 2021-05-13 Matthew Jagielski , Giorgio Severi , Niklas Pousette Harger , Alina Oprea

Recent work has proposed the concept of backdoor attacks on deep neural networks (DNNs), where misbehaviors are hidden inside "normal" models, only to be triggered by very specific inputs. In practice, however, these attacks are difficult…

机器学习 · 计算机科学 2019-05-28 Yuanshun Yao , Huiying Li , Haitao Zheng , Ben Y. Zhao

Federated Learning (FL) allows multiple clients to collaboratively train a Neural Network (NN) model on their private data without revealing the data. Recently, several targeted poisoning attacks against FL have been introduced. These…

密码学与安全 · 计算机科学 2022-01-04 Phillip Rieger , Thien Duc Nguyen , Markus Miettinen , Ahmad-Reza Sadeghi

Outsourced deep neural networks have been demonstrated to suffer from patch-based trojan attacks, in which an adversary poisons the training sets to inject a backdoor in the obtained model so that regular inputs can be still labeled…

密码学与安全 · 计算机科学 2022-05-17 Ying He , Zhili Shen , Chang Xia , Jingyu Hua , Wei Tong , Sheng Zhong

As deep neural networks (DNNs) are growing larger, their requirements for computational resources become huge, which makes outsourcing training more popular. Training in a third-party platform, however, may introduce potential risks that a…

机器学习 · 计算机科学 2021-10-28 Dongxian Wu , Yisen Wang

Deep neural networks (DNNs) have achieved tremendous success in various applications including video action recognition, yet remain vulnerable to backdoor attacks (Trojans). The backdoor-compromised model will mis-classify to the target…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Xi Li , Songhe Wang , Ruiquan Huang , Mahanth Gowda , George Kesidis

Deep learning models are vulnerable to various adversarial manipulations of their training data, parameters, and input sample. In particular, an adversary can modify the training data and model parameters to embed backdoors into the model,…

机器学习 · 计算机科学 2020-06-09 Te Juin Lester Tan , Reza Shokri

Deep Neural Networks (DNN) are vulnerable to adversarial perturbations-small changes crafted deliberately on the input to mislead the model for wrong predictions. Adversarial attacks have disastrous consequences for deep learning-empowered…

密码学与安全 · 计算机科学 2023-03-29 Ruyi Ding , Cheng Gongye , Siyue Wang , Aidong Ding , Yunsi Fei

Heterogeneous graph neural networks (HGNNs) have achieved strong performance in many real-world applications, yet targeted backdoor poisoning on heterogeneous graphs remains less studied. We consider backdoor attacks for heterogeneous node…

机器学习 · 计算机科学 2026-01-01 Honglin Gao , Lan Zhao , Junhao Ren , Xiang Li , Gaoxi Xiao

To explore the vulnerability of deep neural networks (DNNs), many attack paradigms have been well studied, such as the poisoning-based backdoor attack in the training stage and the adversarial attack in the inference stage. In this paper,…

机器学习 · 计算机科学 2021-02-23 Jiawang Bai , Baoyuan Wu , Yong Zhang , Yiming Li , Zhifeng Li , Shu-Tao Xia

Recent studies have revealed that GNNs are highly susceptible to multiple adversarial attacks. Among these, graph backdoor attacks pose one of the most prominent threats, where attackers cause models to misclassify by learning the…

密码学与安全 · 计算机科学 2024-10-21 Hao Sui , Bing Chen , Jiale Zhang , Chengcheng Zhu , Di Wu , Qinghua Lu , Guodong Long

Semantic communication systems, which leverage Generative AI (GAI) to transmit semantic meaning rather than raw data, are poised to revolutionize modern communications. However, they are vulnerable to backdoor attacks, a type of poisoning…

密码学与安全 · 计算机科学 2025-02-07 Ziyang Wei , Yili Jiang , Jiaqi Huang , Fangtian Zhong , Sohan Gyawali

Deep neural networks (DNNs) have been found vulnerable to backdoor attacks, raising security concerns about their deployment in mission-critical applications. There are various approaches to detect backdoor attacks, however they all make…

机器学习 · 计算机科学 2024-04-09 Haoyu Jiang , Haiyang Yu , Nan Li , Ping Yi

Machine Learning using neural networks has received prominent attention recently because of its success in solving a wide variety of computational tasks, in particular in the field of computer vision. However, several works have drawn…

机器学习 · 计算机科学 2024-08-01 C. A. Martínez-Mejía , J. Solano , J. Breier , D. Bucko , X. Hou

Deep anomaly detection on sequential data has garnered significant attention due to the wide application scenarios. However, deep learning-based models face a critical security threat - their vulnerability to backdoor attacks. In this…

机器学习 · 计算机科学 2024-02-19 He Cheng , Shuhan Yuan

Modern NLP models are often trained on public datasets drawn from diverse sources, rendering them vulnerable to data poisoning attacks. These attacks can manipulate the model's behavior in ways engineered by the attacker. One such tactic…

计算与语言 · 计算机科学 2024-05-21 Xuanli He , Qiongkai Xu , Jun Wang , Benjamin I. P. Rubinstein , Trevor Cohn

Deep neural networks (DNNs) have transformed several artificial intelligence research areas including computer vision, speech recognition, and natural language processing. However, recent studies demonstrated that DNNs are vulnerable to…

密码学与安全 · 计算机科学 2020-01-01 Xiaoyu Cao , Neil Zhenqiang Gong