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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…

密码学与安全 · 计算机科学 2026-03-03 Hsin Lin , Yan-Lun Chen , Ren-Hung Hwang , Chia-Mu Yu

Large pre-trained models have achieved notable success across a range of downstream tasks. However, recent research shows that a type of adversarial attack ($\textit{i.e.,}$ backdoor attack) can manipulate the behavior of machine learning…

人工智能 · 计算机科学 2024-10-29 Dongliang Guo , Mengxuan Hu , Zihan Guan , Junfeng Guo , Thomas Hartvigsen , Sheng Li

Backdoor attacks compromise the integrity and reliability of machine learning models by embedding a hidden trigger during the training process, which can later be activated to cause unintended misbehavior. We propose a novel backdoor…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Felix Hsieh , Huy H. Nguyen , AprilPyone MaungMaung , Dmitrii Usynin , Isao Echizen

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

Deep learning models have recently shown to be vulnerable to backdoor poisoning, an insidious attack where the victim model predicts clean images correctly but classifies the same images as the target class when a trigger poison pattern is…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Alvin Chan , Yew-Soon Ong

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

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

While security vulnerabilities in traditional Deep Neural Networks (DNNs) have been extensively studied, the susceptibility of Spiking Neural Networks (SNNs) to adversarial attacks remains mostly underexplored. Until now, the mechanisms to…

密码学与安全 · 计算机科学 2024-11-06 Roberto Riaño , Gorka Abad , Stjepan Picek , Aitor Urbieta

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

DNNs' demand for massive data forces practitioners to collect data from the Internet without careful check due to the unacceptable cost, which brings potential risks of backdoor attacks. A backdoored model always predicts a target class in…

机器学习 · 计算机科学 2022-02-23 Yinghua Gao , Dongxian Wu , Jingfeng Zhang , Guanhao Gan , Shu-Tao Xia , Gang Niu , Masashi Sugiyama

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…

机器学习 · 计算机科学 2024-01-23 Benjamin Schneider , Nils Lukas , Florian Kerschbaum

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

Recent advancements in deep learning-based compression techniques have surpassed traditional methods. However, deep neural networks remain vulnerable to backdoor attacks, where pre-defined triggers induce malicious behaviors. This paper…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yi Yu , Yufei Wang , Wenhan Yang , Lanqing Guo , Shijian Lu , Ling-Yu Duan , Yap-Peng Tan , Alex C. Kot

In recent years, many backdoor attacks based on training data poisoning have been proposed. However, in practice, those backdoor attacks are vulnerable to image compressions. When backdoor instances are compressed, the feature of specific…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Mingfu Xue , Xin Wang , Shichang Sun , Yushu Zhang , Jian Wang , Weiqiang Liu

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…

密码学与安全 · 计算机科学 2020-04-07 Maximilian Bachl , Alexander Hartl , Joachim Fabini , Tanja Zseby

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

While machine learning (ML) models are being increasingly trusted to make decisions in different and varying areas, the safety of systems using such models has become an increasing concern. In particular, ML models are often trained on data…

One intriguing property of deep neural networks (DNNs) is their inherent vulnerability to backdoor attacks -- a trojan model responds to trigger-embedded inputs in a highly predictable manner while functioning normally otherwise. Despite…

机器学习 · 计算机科学 2021-08-11 Zhaohan Xi , Ren Pang , Shouling Ji , Ting Wang

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

Transfer learning provides an effective solution for feasibly and fast customize accurate \textit{Student} models, by transferring the learned knowledge of pre-trained \textit{Teacher} models over large datasets via fine-tuning. Many…

机器学习 · 计算机科学 2020-08-11 Shuo Wang , Surya Nepal , Carsten Rudolph , Marthie Grobler , Shangyu Chen , Tianle Chen