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Backdoor attacks pose a significant threat to neural networks, enabling adversaries to manipulate model outputs on specific inputs, often with devastating consequences, especially in critical applications. While backdoor attacks have been…

机器学习 · 计算机科学 2025-07-30 Zhen Guo , Abhinav Kumar , Reza Tourani

In a backdoor attack, an adversary inserts maliciously constructed backdoor examples into a training set to make the resulting model vulnerable to manipulation. Defending against such attacks typically involves viewing these inserted…

密码学与安全 · 计算机科学 2023-07-20 Alaa Khaddaj , Guillaume Leclerc , Aleksandar Makelov , Kristian Georgiev , Hadi Salman , Andrew Ilyas , Aleksander Madry

Backdoor attack intends to embed hidden backdoor into deep neural networks (DNNs), so that the attacked models perform well on benign samples, whereas their predictions will be maliciously changed if the hidden backdoor is activated by…

密码学与安全 · 计算机科学 2022-02-17 Yiming Li , Yong Jiang , Zhifeng Li , Shu-Tao Xia

Deep neural networks face persistent challenges in defending against backdoor attacks, leading to an ongoing battle between attacks and defenses. While existing backdoor defense strategies have shown promising performance on reducing attack…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Mingli Zhu , Siyuan Liang , Baoyuan Wu

The growing dependence on machine learning in real-world applications emphasizes the importance of understanding and ensuring its safety. Backdoor attacks pose a significant security risk due to their stealthy nature and potentially serious…

密码学与安全 · 计算机科学 2023-10-19 Ganghua Wang , Xun Xian , Jayanth Srinivasa , Ashish Kundu , Xuan Bi , Mingyi Hong , Jie Ding

Deep learning models are widely deployed in many applications, such as object detection in various security fields. However, these models are vulnerable to backdoor attacks. Most backdoor attacks were intensively studied on classified…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Yaguan Qian , Boyuan Ji , Shuke He , Shenhui Huang , Xiang Ling , Bin Wang , Wei Wang

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…

Federated learning allows multiple participants to collaboratively train a central model without sharing their private data. However, this distributed nature also exposes new attack surfaces. In particular, backdoor attacks allow attackers…

机器学习 · 计算机科学 2025-09-24 Zhaoxin Wang , Handing Wang , Cong Tian , Yaochu Jin

Backdoor attacks are serious security threats to machine learning models where an adversary can inject poisoned samples into the training set, causing a backdoored model which predicts poisoned samples with particular triggers to particular…

机器学习 · 计算机科学 2023-07-21 Shaokui Wei , Mingda Zhang , Hongyuan Zha , Baoyuan Wu

Backdoor attacks allow an attacker to embed a specific vulnerability in a machine learning algorithm, activated when an attacker-chosen pattern is presented, causing a specific misprediction. The need to identify backdoors in biometric…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Alexander Unnervik , Hatef Otroshi Shahreza , Anjith George , Sébastien Marcel

Multitask learning aims at solving a set of related tasks simultaneously, by exploiting the shared knowledge for improving the performance on individual tasks. Hence, an important aspect of multitask learning is to understand the…

机器学习 · 计算机科学 2019-10-22 Changjian Shui , Mahdieh Abbasi , Louis-Émile Robitaille , Boyu Wang , Christian Gagné

Backdoors on federated learning will be diluted by subsequent benign updates. This is reflected in the significant reduction of attack success rate as iterations increase, ultimately failing. We use a new metric to quantify the degree of…

密码学与安全 · 计算机科学 2024-04-30 Tao Liu , Yuhang Zhang , Zhu Feng , Zhiqin Yang , Chen Xu , Dapeng Man , Wu Yang

Backdoor learning is an emerging and vital topic for studying deep neural networks' vulnerability (DNNs). Many pioneering backdoor attack and defense methods are being proposed, successively or concurrently, in the status of a rapid arms…

机器学习 · 计算机科学 2022-10-20 Baoyuan Wu , Hongrui Chen , Mingda Zhang , Zihao Zhu , Shaokui Wei , Danni Yuan , Chao Shen

Recent studies have shown that contrastive learning, like supervised learning, is highly vulnerable to backdoor attacks wherein malicious functions are injected into target models, only to be activated by specific triggers. However, thus…

密码学与安全 · 计算机科学 2023-12-15 Changjiang Li , Ren Pang , Bochuan Cao , Zhaohan Xi , Jinghui Chen , Shouling Ji , Ting Wang

Backdoor attacks pose a serious threat to deep learning models by allowing adversaries to implant hidden behaviors that remain dormant on clean inputs but are maliciously triggered at inference. Existing backdoor attack methods typically…

密码学与安全 · 计算机科学 2025-11-18 Lijie Hu , Junchi Liao , Weimin Lyu , Shaopeng Fu , Tianhao Huang , Shu Yang , Guimin Hu , Di Wang

Backdoor attacks represent one of the major threats to machine learning models. Various efforts have been made to mitigate backdoors. However, existing defenses have become increasingly complex and often require high computational resources…

密码学与安全 · 计算机科学 2022-12-20 Zeyang Sha , Xinlei He , Pascal Berrang , Mathias Humbert , Yang Zhang

As an emerging and vital topic for studying deep neural networks' vulnerability (DNNs), backdoor learning has attracted increasing interest in recent years, and many seminal backdoor attack and defense algorithms are being developed…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Baoyuan Wu , Hongrui Chen , Mingda Zhang , Zihao Zhu , Shaokui Wei , Danni Yuan , Mingli Zhu , Ruotong Wang , Li Liu , Chao Shen

Federated learning is a promising approach for training machine learning models while preserving data privacy. However, its distributed nature makes it vulnerable to backdoor attacks, particularly in NLP tasks, where related research…

机器学习 · 计算机科学 2025-07-31 Minyeong Choe , Cheolhee Park , Changho Seo , Hyunil Kim

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 attack is a new AI security risk that has emerged in recent years. Drawing on the previous research of adversarial attack, we argue that the backdoor attack has the potential to tap into the model learning process and improve model…

密码学与安全 · 计算机科学 2022-02-23 Shangxi Wu , Qiuyang He , Yi Zhang , Jitao Sang
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