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Backdoor defenses have been studied to alleviate the threat of deep neural networks (DNNs) being backdoor attacked and thus maliciously altered. Since DNNs usually adopt some external training data from an untrusted third party, a robust…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Kuofeng Gao , Yang Bai , Jindong Gu , Yong Yang , Shu-Tao Xia

Deep neural networks (DNNs) demonstrate superior performance in various fields, including scrutiny and security. However, recent studies have shown that DNNs are vulnerable to backdoor attacks. Several defenses were proposed in the past to…

Machine Learning · Computer Science 2020-10-26 Akshaj Veldanda , Siddharth Garg

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…

Cryptography and Security · Computer Science 2024-10-16 Shaokui Wei , Hongyuan Zha , Baoyuan Wu

Interest in poisoning attacks and backdoors recently resurfaced for Deep Learning (DL) applications. Several successful defense mechanisms have been recently proposed for Convolutional Neural Networks (CNNs), for example in the context of…

Cryptography and Security · Computer Science 2020-04-07 Maximilian Bachl , Alexander Hartl , Joachim Fabini , Tanja Zseby

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…

Machine Learning · Computer Science 2023-11-14 Soroush Hashemifar , Saeed Parsa , Morteza Zakeri-Nasrabadi

In recent years, with the successful application of DNN in fields such as NLP and CV, its security has also received widespread attention. (Author) proposed the method of backdoor attack in Badnet. Switch implanted backdoor into the model…

Cryptography and Security · Computer Science 2023-06-06 Han Gao

Third-party resources ($e.g.$, samples, backbones, and pre-trained models) are usually involved in the training of deep neural networks (DNNs), which brings backdoor attacks as a new training-phase threat. In general, backdoor attackers…

Cryptography and Security · Computer Science 2023-02-06 Yiming Li , Mengxi Ya , Yang Bai , Yong Jiang , Shu-Tao Xia

A security threat to deep neural networks (DNN) is backdoor contamination, in which an adversary poisons the training data of a target model to inject a Trojan so that images carrying a specific trigger will always be classified into a…

Cryptography and Security · Computer Science 2020-12-11 Di Tang , XiaoFeng Wang , Haixu Tang , Kehuan Zhang

Recent studies have shown that DNNs can be compromised by backdoor attacks crafted at training time. A backdoor attack installs a backdoor into the victim model by injecting a backdoor pattern into a small proportion of the training data.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Yunfei Liu , Xingjun Ma , James Bailey , Feng Lu

Modern autonomous vehicles adopt state-of-the-art DNN models to interpret the sensor data and perceive the environment. However, DNN models are vulnerable to different types of adversarial attacks, which pose significant risks to the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Xingshuo Han , Guowen Xu , Yuan Zhou , Xuehuan Yang , Jiwei Li , Tianwei Zhang

Web-scraped datasets are vulnerable to data poisoning, which can be used for backdooring deep image classifiers during training. Since training on large datasets is expensive, a model is trained once and re-used many times. Unlike…

Machine Learning · Computer Science 2024-01-23 Benjamin Schneider , Nils Lukas , Florian Kerschbaum

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…

Machine Learning · Computer Science 2019-05-28 Yuanshun Yao , Huiying Li , Haitao Zheng , Ben Y. Zhao

Backdoor attack intends to inject hidden backdoor into the deep neural networks (DNNs), such that the prediction of the infected model will be maliciously changed if the hidden backdoor is activated by the attacker-defined trigger, while it…

Cryptography and Security · Computer Science 2021-02-02 Yiming Li , Tongqing Zhai , Baoyuan Wu , Yong Jiang , Zhifeng Li , Shutao Xia

Deep neural networks for image classification are well-known to be vulnerable to adversarial attacks. One such attack that has garnered recent attention is the adversarial backdoor attack, which has demonstrated the capability to perform…

Cryptography and Security · Computer Science 2022-06-09 Glenn Dawson , Muhammad Umer , Robi Polikar

Deep neural networks are vulnerable to backdoor attacks, a type of adversarial attack that poisons the training data to manipulate the behavior of models trained on such data. Clean-label attacks are a more stealthy form of backdoor attacks…

Machine Learning · Computer Science 2024-07-17 Quang H. Nguyen , Nguyen Ngoc-Hieu , The-Anh Ta , Thanh Nguyen-Tang , Kok-Seng Wong , Hoang Thanh-Tung , Khoa D. Doan

Deep Neural Networks (DNNs) have shown great promise in various domains. However, vulnerabilities associated with DNN training, such as backdoor attacks, are a significant concern. These attacks involve the subtle insertion of triggers…

Cryptography and Security · Computer Science 2025-09-18 Bart Pleiter , Behrad Tajalli , Stefanos Koffas , Gorka Abad , Jing Xu , Martha Larson , Stjepan Picek

Machine learning (ML) models that use deep neural networks are vulnerable to backdoor attacks. Such attacks involve the insertion of a (hidden) trigger by an adversary. As a consequence, any input that contains the trigger will cause the…

Cryptography and Security · Computer Science 2022-03-30 Arezoo Rajabi , Bhaskar Ramasubramanian , Radha Poovendran

Deep neural networks (DNNs) are vulnerable to the \emph{backdoor attack}, which intends to embed hidden backdoors in DNNs by poisoning training data. The attacked model behaves normally on benign samples, whereas its prediction will be…

Cryptography and Security · Computer Science 2021-04-06 Yiming Li , Yanjie Li , Yalei Lv , Yong Jiang , Shu-Tao Xia

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where a backdoored model behaves normally with clean inputs but exhibits attacker-specified behaviors upon the inputs containing triggers. Most previous backdoor attacks mainly…

Cryptography and Security · Computer Science 2024-07-02 Linshan Hou , Zhongyun Hua , Yuhong Li , Yifeng Zheng , Leo Yu Zhang

Under a commonly-studied backdoor poisoning attack against classification models, an attacker adds a small trigger to a subset of the training data, such that the presence of this trigger at test time causes the classifier to always predict…

Machine Learning · Computer Science 2021-10-06 Mingjie Sun , Siddhant Agarwal , J. Zico Kolter