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Backdoor attacks aim to inject a backdoor into a classifier such that it predicts any input with an attacker-chosen backdoor trigger as an attacker-chosen target class. Existing backdoor attacks require either retraining the classifier with…

密码学与安全 · 计算机科学 2024-12-10 Bochuan Cao , Jinyuan Jia , Chuxuan Hu , Wenbo Guo , Zhen Xiang , Jinghui Chen , Bo Li , Dawn Song

Data poisoning attacks compromise the integrity of machine-learning models by introducing malicious training samples to influence the results during test time. In this work, we investigate backdoor data poisoning attack on deep neural…

机器学习 · 计算机科学 2019-12-04 Mahesh Subedar , Nilesh Ahuja , Ranganath Krishnan , Ibrahima J. Ndiour , Omesh Tickoo

Detecting semantic backdoors in classification models--where some classes can be activated by certain natural, but out-of-distribution inputs--is an important problem that has received relatively little attention. Semantic backdoors are…

机器学习 · 计算机科学 2026-01-08 Arpad Berta , Gabor Danner , Istvan Hegedus , Mark Jelasity

Recent studies have shown that deep neural networks (DNNs) are vulnerable to backdoor attacks, where a designed trigger is injected into the dataset, causing erroneous predictions when activated. In this paper, we propose a novel defense…

机器学习 · 计算机科学 2025-08-08 Wenjie Huo , Katinka Wolter

With the swift advancement of deep learning, state-of-the-art algorithms have been utilized in various social situations. Nonetheless, some algorithms have been discovered to exhibit biases and provide unequal results. The current debiasing…

机器学习 · 计算机科学 2024-07-02 Shangxi Wu , Qiuyang He , Jian Yu , Jitao Sang

This paper investigates the threat of backdoors in Deep Reinforcement Learning (DRL) agent policies and proposes a novel method for their detection at runtime. Our study focuses on elusive in-distribution backdoor triggers. Such triggers…

机器学习 · 计算机科学 2024-07-23 Sanyam Vyas , Chris Hicks , Vasilios Mavroudis

A backdoor or Trojan attack is an important type of data poisoning attack against deep neural network (DNN) classifiers, wherein the training dataset is poisoned with a small number of samples that each possess the backdoor pattern (usually…

机器学习 · 计算机科学 2023-03-15 H. Wang , S. Karami , O. Dia , H. Ritter , E. Emamjomeh-Zadeh , J. Chen , Z. Xiang , D. J. Miller , G. Kesidis

Deep neural networks (DNNs) are known vulnerable to backdoor attacks, a training time attack that injects a trigger pattern into a small proportion of training data so as to control the model's prediction at the test time. Backdoor attacks…

机器学习 · 计算机科学 2021-01-28 Yige Li , Xixiang Lyu , Nodens Koren , Lingjuan Lyu , Bo Li , Xingjun Ma

Deep neural networks (DNNs) are recently shown to be vulnerable to backdoor attacks, where attackers embed hidden backdoors in the DNN model by injecting a few poisoned examples into the training dataset. While extensive efforts have been…

人工智能 · 计算机科学 2023-03-14 Zaixi Zhang , Qi Liu , Zhicai Wang , Zepu Lu , Qingyong Hu

As machine learning systems grow in scale, so do their training data requirements, forcing practitioners to automate and outsource the curation of training data in order to achieve state-of-the-art performance. The absence of trustworthy…

Deep learning models have consistently outperformed traditional machine learning models in various classification tasks, including image classification. As such, they have become increasingly prevalent in many real world applications…

密码学与安全 · 计算机科学 2018-08-31 Cong Liao , Haoti Zhong , Anna Squicciarini , Sencun Zhu , David Miller

The widespread adoption of deep learning across various industries has introduced substantial challenges, particularly in terms of model explainability and security. The inherent complexity of deep learning models, while contributing to…

密码学与安全 · 计算机科学 2025-01-08 Kealan Dunnett , Reza Arablouei , Dimity Miller , Volkan Dedeoglu , Raja Jurdak

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

Backdoor attacks mislead machine-learning models to output an attacker-specified class when presented a specific trigger at test time. These attacks require poisoning the training data to compromise the learning algorithm, e.g., by…

机器学习 · 计算机科学 2021-11-03 Kathrin Grosse , Taesung Lee , Battista Biggio , Youngja Park , Michael Backes , Ian Molloy

Due to the increasing computational demand of Deep Neural Networks (DNNs), companies and organizations have begun to outsource the training process. However, the externally trained DNNs can potentially be backdoor attacked. It is crucial to…

机器学习 · 计算机科学 2023-07-04 Lu Pang , Tao Sun , Haibin Ling , Chao Chen

Diffusion models (DMs) are regarded as one of the most advanced generative models today, yet recent studies suggest that they are vulnerable to backdoor attacks, which establish hidden associations between particular input patterns and…

密码学与安全 · 计算机科学 2024-08-23 Jiang Hao , Xiao Jin , Hu Xiaoguang , Chen Tianyou , Zhao Jiajia

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 revealed the vulnerability of deep neural networks (DNNs) to various backdoor attacks, where the behavior of DNNs can be compromised by utilizing certain types of triggers or poisoning mechanisms. State-of-the-art (SOTA)…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Nazmul Karim , Abdullah Al Arafat , Umar Khalid , Zhishan Guo , Nazanin Rahnavard

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

Backdoor (trojan) attacks embed hidden, controllable behaviors into machine-learning models so that models behave normally on benign inputs but produce attacker-chosen outputs when a trigger is present. This survey reviews the rapidly…

密码学与安全 · 计算机科学 2025-09-10 Bilal Hussain Abbasi , Yanjun Zhang , Leo Zhang , Shang Gao