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Related papers: Backdooring CLIP through Concept Confusion

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A backdoored deep hashing model is expected to behave normally on original query images and return the images with the target label when a specific trigger pattern presents. To this end, we propose the confusing perturbations-induced…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Kuofeng Gao , Jiawang Bai , Bin Chen , Dongxian Wu , Shu-Tao Xia

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…

Cryptography and Security · Computer Science 2023-07-20 Alaa Khaddaj , Guillaume Leclerc , Aleksandar Makelov , Kristian Georgiev , Hadi Salman , Andrew Ilyas , Aleksander Madry

Backdoor attacks become a significant security concern for deep neural networks in recent years. An image classification model can be compromised if malicious backdoors are injected into it. This corruption will cause the model to function…

Cryptography and Security · Computer Science 2024-03-13 Hongwei Zhang , Xiaoyin Xu , Dongsheng An , Xianfeng Gu , Min Zhang

Backdoor attacks are rapidly emerging threats to deep neural networks (DNNs). In the backdoor attack scenario, attackers usually implant the backdoor into the target model by manipulating the training dataset or training process. Then, the…

Cryptography and Security · Computer Science 2022-05-09 Nan Zhong , Zhenxing Qian , Xinpeng Zhang

Studying backdoor attacks is valuable for model copyright protection and enhancing defenses. While existing backdoor attacks have successfully infected multimodal contrastive learning models such as CLIP, they can be easily countered by…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Siyuan Liang , Mingli Zhu , Aishan Liu , Baoyuan Wu , Xiaochun Cao , Ee-Chien Chang

Machine learning is vulnerable to adversarial manipulation. Previous literature has demonstrated that at the training stage attackers can manipulate data and data sampling procedures to control model behaviour. A common attack goal is to…

Machine Learning · Computer Science 2022-06-17 Mikel Bober-Irizar , Ilia Shumailov , Yiren Zhao , Robert Mullins , Nicolas Papernot

Backdoor attacks insert malicious data into a training set so that, during inference time, it misclassifies inputs that have been patched with a backdoor trigger as the malware specified label. For backdoor attacks to bypass human…

Cryptography and Security · Computer Science 2022-04-18 Yi Zeng , Minzhou Pan , Hoang Anh Just , Lingjuan Lyu , Meikang Qiu , Ruoxi Jia

Backdoor attacks represent a subtle yet effective class of cyberattacks targeting AI models, primarily due to their stealthy nature. The model behaves normally on clean data but exhibits malicious behavior only when the attacker embeds a…

Machine Learning · Computer Science 2025-09-29 Sujeevan Aseervatham , Achraf Kerzazi , Younès Bennani

Multimodal contrastive learning models like CLIP have demonstrated remarkable vision-language alignment capabilities, yet their vulnerability to backdoor attacks poses critical security risks. Attackers can implant latent triggers that…

Cryptography and Security · Computer Science 2025-06-17 Mengyuan Sun , Yu Li , Yuchen Liu , Bo Du , Yunjie Ge

With the widespread application of deep learning across various domains, concerns about its security have grown significantly. Among these, backdoor attacks pose a serious security threat to deep neural networks (DNNs). In recent years,…

Cryptography and Security · Computer Science 2024-03-21 Wenmin Chen , Xiaowei Xu

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…

Machine Learning · Computer Science 2025-07-30 Zhen Guo , Abhinav Kumar , Reza Tourani

Recent advances in natural language processing and the increased use of large language models have exposed new security vulnerabilities, such as backdoor attacks. Previous backdoor attacks require input manipulation after model distribution…

Computation and Language · Computer Science 2024-09-26 Minkyoo Song , Hanna Kim , Jaehan Kim , Youngjin Jin , Seungwon Shin

Backdoor attacks have emerged as a critical security threat against deep neural networks in recent years. The majority of existing backdoor attacks focus on targeted backdoor attacks, where trigger is strongly associated to specific…

Cryptography and Security · Computer Science 2025-06-24 Yinghao Wu , Liyan Zhang

Recent deep-learning-based compression methods have achieved superior performance compared with traditional approaches. However, deep learning models have proven to be vulnerable to backdoor attacks, where some specific trigger patterns…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Yi Yu , Yufei Wang , Wenhan Yang , Shijian Lu , Yap-peng Tan , Alex C. Kot

In recent years, neural backdoor attack has been considered to be a potential security threat to deep learning systems. Such systems, while achieving the state-of-the-art performance on clean data, perform abnormally on inputs with…

Cryptography and Security · Computer Science 2020-10-19 Anh Nguyen , Anh Tran

Backdoor attacks (BA) are an emerging threat to deep neural network classifiers. A classifier being attacked will predict to the attacker's target class when a test sample from a source class is embedded with the backdoor pattern (BP).…

Cryptography and Security · Computer Science 2021-10-22 Zhen Xiang , David J. Miller , Siheng Chen , Xi Li , George Kesidis

Backdoor attack intends to inject hidden backdoor into the deep neural networks (DNNs), such that the prediction of the infected model will be maliciously changed if the hidden backdoor is activated by the attacker-defined trigger, while it…

Cryptography and Security · Computer Science 2021-02-02 Yiming Li , Tongqing Zhai , Baoyuan Wu , Yong Jiang , Zhifeng Li , Shutao Xia

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…

Cryptography and Security · Computer Science 2022-02-17 Yiming Li , Yong Jiang , Zhifeng Li , Shu-Tao Xia

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…

Cryptography and Security · Computer Science 2024-12-10 Bochuan Cao , Jinyuan Jia , Chuxuan Hu , Wenbo Guo , Zhen Xiang , Jinghui Chen , Bo Li , Dawn Song

Deep anomaly detection on sequential data has garnered significant attention due to the wide application scenarios. However, deep learning-based models face a critical security threat - their vulnerability to backdoor attacks. In this…

Machine Learning · Computer Science 2024-02-19 He Cheng , Shuhan Yuan