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Graph Neural Networks (GNNs) have achieved remarkable performance through their message-passing mechanism. However, recent studies have highlighted the vulnerability of GNNs to backdoor attacks, which can lead the model to misclassify…

机器学习 · 计算机科学 2025-01-13 Jiale Zhang , Bosen Rao , Chengcheng Zhu , Xiaobing Sun , Qingming Li , Haibo Hu , Xiapu Luo , Qingqing Ye , Shouling Ji

The increasing importance of both deep neural networks (DNNs) and cloud services for training them means that bad actors have more incentive and opportunity to insert backdoors to alter the behavior of trained models. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Khondoker Murad Hossain , Tim Oates

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

Backdoor attacks manipulate model predictions by inserting innocuous triggers into training and test data. We focus on more realistic and more challenging clean-label attacks where the adversarial training examples are correctly labeled.…

机器学习 · 计算机科学 2023-10-31 Wencong You , Zayd Hammoudeh , Daniel Lowd

The generalization bound is a crucial theoretical tool for assessing the generalizability of learning methods and there exist vast literatures on generalizability of normal learning, adversarial learning, and data poisoning. Unlike other…

机器学习 · 计算机科学 2024-06-05 Lijia Yu , Shuang Liu , Yibo Miao , Xiao-Shan Gao , Lijun Zhang

Recent research has highlighted the vulnerability of Deep Neural Networks (DNNs) against data poisoning attacks. These attacks aim to inject poisoning samples into the models' training dataset such that the trained models have inference…

密码学与安全 · 计算机科学 2025-06-03 Pengfei He , Han Xu , Jie Ren , Yingqian Cui , Hui Liu , Charu C. Aggarwal , Jiliang Tang

Deep neural networks (DNNs) are susceptible to backdoor attacks, where adversaries poison datasets with adversary-specified triggers to implant hidden backdoors, enabling malicious manipulation of model predictions. Dataset purification…

密码学与安全 · 计算机科学 2025-06-24 Linshan Hou , Wei Luo , Zhongyun Hua , Songhua Chen , Leo Yu Zhang , Yiming Li

This paper presents Poisoning MorphNet, the first backdoor attack method on point clouds. Conventional adversarial attack takes place in the inference stage, often fooling a model by perturbing samples. In contrast, backdoor attack aims to…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Guiyu Tian , Wenhao Jiang , Wei Liu , Yadong Mu

In recent years, the rise of machine learning (ML) in cybersecurity has brought new challenges, including the increasing threat of backdoor poisoning attacks on ML malware classifiers. For instance, adversaries could inject malicious…

机器学习 · 计算机科学 2026-02-13 Dung Thuy Nguyen , Ngoc N. Tran , Taylor T. Johnson , Kevin Leach

We propose a Universal Defence against backdoor attacks based on Clustering and Centroids Analysis (CCA-UD). The goal of the defence is to reveal whether a Deep Neural Network model is subject to a backdoor attack by inspecting the training…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Wei Guo , Benedetta Tondi , Mauro Barni

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

Backdoors and poisoning attacks are a major threat to the security of machine-learning and vision systems. Often, however, these attacks leave visible artifacts in the images that can be visually detected and weaken the efficacy of the…

密码学与安全 · 计算机科学 2020-03-20 Erwin Quiring , Konrad Rieck

The proliferation of face forgery techniques has raised significant concerns within society, thereby motivating the development of face forgery detection methods. These methods aim to distinguish forged faces from genuine ones and have…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Jiawei Liang , Siyuan Liang , Aishan Liu , Xiaojun Jia , Junhao Kuang , Xiaochun Cao

Interpretability is crucial to understand the inner workings of deep neural networks (DNNs) and many interpretation methods generate saliency maps that highlight parts of the input image that contribute the most to the prediction made by…

密码学与安全 · 计算机科学 2022-07-21 Shihong Fang , Anna Choromanska

Deep learning is becoming increasingly popular in real-life applications, especially in natural language processing (NLP). Users often choose training outsourcing or adopt third-party data and models due to data and computation resources…

计算与语言 · 计算机科学 2022-11-23 Xuan Sheng , Zhaoyang Han , Piji Li , Xiangmao Chang

Vision-Language Models (VLMs) have achieved impressive progress in multimodal text generation, yet their rapid adoption raises increasing concerns about security vulnerabilities. Existing backdoor attacks against VLMs primarily rely on…

密码学与安全 · 计算机科学 2025-12-08 Haoyu Shen , Weimin Lyu , Haotian Xu , Tengfei Ma

The training phase of machine learning models is a delicate step, especially in cybersecurity contexts. Recent research has surfaced a series of insidious training-time attacks that inject backdoors in models designed for security…

密码学与安全 · 计算机科学 2025-05-06 Giorgio Severi , Simona Boboila , John Holodnak , Kendra Kratkiewicz , Rauf Izmailov , Michael J. De Lucia , Alina Oprea

Skeleton Action Recognition (SAR) has attracted significant interest for its efficient representation of the human skeletal structure. Despite its advancements, recent studies have raised security concerns in SAR models, particularly their…

密码学与安全 · 计算机科学 2024-08-19 Qichen Zheng , Yi Yu , Siyuan Yang , Jun Liu , Kwok-Yan Lam , Alex Kot

The security threat of backdoor attacks is a central concern for deep neural networks (DNNs). Recently, without poisoned data, unlearning models with clean data and then learning a pruning mask have contributed to backdoor defense.…

密码学与安全 · 计算机科学 2024-05-31 Weilin Lin , Li Liu , Shaokui Wei , Jianze Li , Hui Xiong

Deep neural networks (DNNs) are susceptible to backdoor attacks, where malicious functionality is embedded to allow attackers to trigger incorrect classifications. Old-school backdoor attacks use strong trigger features that can easily be…

密码学与安全 · 计算机科学 2024-04-26 Huming Qiu , Junjie Sun , Mi Zhang , Xudong Pan , Min Yang
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