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Backdoor attacks inject poisoning samples during training, with the goal of forcing a machine learning model to output an attacker-chosen class when presented a specific trigger at test time. Although backdoor attacks have been demonstrated…

The use of unvetted third-party and internet data renders pre-trained models susceptible to backdoor attacks. Detecting backdoor samples is critical to prevent backdoor activation during inference or injection during training. However,…

密码学与安全 · 计算机科学 2025-09-09 Zuquan Peng , Jianming Fu , Lixin Zou , Li Zheng , Yanzhen Ren , Guojun Peng

Deep neural networks (DNNs) have progressed rapidly during the past decade and have been deployed in various real-world applications. Meanwhile, DNN models have been shown to be vulnerable to security and privacy attacks. One such attack…

密码学与安全 · 计算机科学 2021-10-06 Xiaoyi Chen , Ahmed Salem , Dingfan Chen , Michael Backes , Shiqing Ma , Qingni Shen , Zhonghai Wu , Yang Zhang

Backdoor poisoning attacks are a threat to machine learning models trained on large data collected from untrusted sources; these attacks enable attackers to inject malicious behavior into the model that can be triggered by specially crafted…

机器学习 · 计算机科学 2026-01-06 Thorsten Peinemann , Paula Arnold , Sebastian Berndt , Thomas Eisenbarth , Esfandiar Mohammadi

Deep neural networks (DNNs) have demonstrated their superiority in practice. Arguably, the rapid development of DNNs is largely benefited from high-quality (open-sourced) datasets, based on which researchers and developers can easily…

密码学与安全 · 计算机科学 2023-04-06 Yiming Li , Yang Bai , Yong Jiang , Yong Yang , Shu-Tao Xia , Bo Li

Backdoor attack against deep neural networks is currently being profoundly investigated due to its severe security consequences. Current state-of-the-art backdoor attacks require the adversary to modify the input, usually by adding a…

密码学与安全 · 计算机科学 2020-10-09 Ahmed Salem , Michael Backes , Yang Zhang

Recent deep neural networks (DNNs) have came to rely on vast amounts of training data, providing an opportunity for malicious attackers to exploit and contaminate the data to carry out backdoor attacks. However, existing backdoor attack…

密码学与安全 · 计算机科学 2024-04-22 Ziqiang Li , Hong Sun , Pengfei Xia , Heng Li , Beihao Xia , Yi Wu , Bin Li

Recent researches show that deep learning model is susceptible to backdoor attacks. Many defenses against backdoor attacks have been proposed. However, existing defense works require high computational overhead or backdoor attack…

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

Deep neural networks have played a crucial part in many critical domains, such as autonomous driving, face recognition, and medical diagnosis. However, deep neural networks are facing security threats from backdoor attacks and can be…

密码学与安全 · 计算机科学 2023-11-30 Jiyang Guan , Jian Liang , Ran He

Dataset distillation offers a potential means to enhance data efficiency in deep learning. Recent studies have shown its ability to counteract backdoor risks present in original training samples. In this study, we delve into the theoretical…

机器学习 · 计算机科学 2025-06-03 Ming-Yu Chung , Sheng-Yen Chou , Chia-Mu Yu , Pin-Yu Chen , Sy-Yen Kuo , Tsung-Yi Ho

Decentralised post-training of large language models utilises data and pipeline parallelism techniques to split the data and the model. Unfortunately, decentralised post-training can be vulnerable to poisoning and backdoor attacks by one or…

密码学与安全 · 计算机科学 2026-04-06 Oğuzhan Ersoy , Nikolay Blagoev , Jona te Lintelo , Stefanos Koffas , Marina Krček , Stjepan Picek

Contrastive learning has become a leading self- supervised approach to representation learning across domains, including vision, multimodal settings, graphs, and federated learning. However, recent studies have shown that contrastive…

机器学习 · 计算机科学 2026-01-19 Simi D Kuniyilh , Rita Machacy

Machine learning based data-driven technologies have shown impressive performances in a variety of application domains. Most enterprises use data from multiple sources to provide quality applications. The reliability of the external data…

机器学习 · 计算机科学 2021-06-01 Rosni K Vasu , Sanjay Seetharaman , Shubham Malaviya , Manish Shukla , Sachin Lodha

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

As in-the-wild data are increasingly involved in the training stage, machine learning applications become more susceptible to data poisoning attacks. Such attacks typically lead to test-time accuracy degradation or controlled misprediction.…

密码学与安全 · 计算机科学 2022-11-02 Yufei Chen , Chao Shen , Yun Shen , Cong Wang , Yang Zhang

Backdoor attacks (BAs) are an emerging threat to deep neural network classifiers. A victim classifier will predict to an attacker-desired target class whenever a test sample is embedded with the same backdoor pattern (BP) that was used to…

密码学与安全 · 计算机科学 2022-03-15 Zhen Xiang , David J. Miller , George Kesidis

Recent studies revealed that deep learning is susceptible to backdoor poisoning attacks. An adversary can embed a hidden backdoor into a model to manipulate its predictions by only modifying a few training data, without controlling the…

机器学习 · 计算机科学 2023-03-07 Xiangyu Qi , Tinghao Xie , Yiming Li , Saeed Mahloujifar , Prateek Mittal

Backdoors and adversarial examples are the two primary threats currently faced by deep neural networks (DNNs). Both attacks attempt to hijack the model behaviors with unintended outputs by introducing (small) perturbations to the inputs.…

密码学与安全 · 计算机科学 2024-01-22 Yunjie Ge , Qian Wang , Huayang Huang , Qi Li , Cong Wang , Chao Shen , Lingchen Zhao , Peipei Jiang , Zheng Fang , Shenyi Zhang

Backdoor data poisoning attacks have recently been demonstrated in computer vision research as a potential safety risk for machine learning (ML) systems. Traditional data poisoning attacks manipulate training data to induce unreliability of…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Loc Truong , Chace Jones , Brian Hutchinson , Andrew August , Brenda Praggastis , Robert Jasper , Nicole Nichols , Aaron Tuor

A number of online services nowadays rely upon machine learning to extract valuable information from data collected in the wild. This exposes learning algorithms to the threat of data poisoning, i.e., a coordinate attack in which a fraction…

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