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Semantic segmentation models are widely deployed in safety-critical applications such as autonomous driving, yet their vulnerability to backdoor attacks remains largely underexplored. Prior segmentation backdoor studies transfer threat…

Cryptography and Security · Computer Science 2026-03-18 Guangsheng Zhang , Huan Tian , Leo Zhang , Tianqing Zhu , Ming Ding , Wanlei Zhou , Bo Liu

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…

Cryptography and Security · Computer Science 2025-11-18 Lijie Hu , Junchi Liao , Weimin Lyu , Shaopeng Fu , Tianhao Huang , Shu Yang , Guimin Hu , Di Wang

Deep learning-based lane detection (LD) plays a critical role in autonomous driving and advanced driver assistance systems. However, its vulnerability to backdoor attacks presents a significant security concern. Existing backdoor attack…

Cryptography and Security · Computer Science 2026-03-26 Yifan Liao , Yuxin Cao , Yedi Zhang , Wentao He , Yan Xiao , Xianglong Du , Zhiyong Huang , Jin Song Dong

Transforming off-the-shelf deep neural network (DNN) models into dynamic multi-exit architectures can achieve inference and transmission efficiency by fragmenting and distributing a large DNN model in edge computing scenarios (e.g., edge…

Cryptography and Security · Computer Science 2022-12-23 Tian Dong , Ziyuan Zhang , Han Qiu , Tianwei Zhang , Hewu Li , Terry Wang

Text-to-image (T2I) diffusion models are widely adopted for their strong generative capabilities, yet remain vulnerable to backdoor attacks. Existing attacks typically rely on fixed textual triggers and single-entity backdoor targets,…

Cryptography and Security · Computer Science 2026-05-28 Tianxin Chen , Wenbo Jiang , Hongqiao Chen , Zhirun Zheng , Cheng Huang

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

Diffusion models (DMs) are advanced deep learning models that achieved state-of-the-art capability on a wide range of generative tasks. However, recent studies have shown their vulnerability regarding backdoor attacks, in which backdoored…

Artificial Intelligence · Computer Science 2024-09-24 Vu Tuan Truong , Long Bao Le

Although deep neural networks (DNNs) have made rapid progress in recent years, they are vulnerable in adversarial environments. A malicious backdoor could be embedded in a model by poisoning the training dataset, whose intention is to make…

Cryptography and Security · Computer Science 2021-03-25 Yinpeng Dong , Xiao Yang , Zhijie Deng , Tianyu Pang , Zihao Xiao , Hang Su , Jun Zhu

We introduce a new attack paradigm that embeds hidden adversarial capabilities directly into diffusion models via fine-tuning, without altering their observable behavior or requiring modifications during inference. Unlike prior approaches…

Machine Learning · Computer Science 2025-04-15 Lucas Beerens , Desmond J. Higham

While text-to-image synthesis currently enjoys great popularity among researchers and the general public, the security of these models has been neglected so far. Many text-guided image generation models rely on pre-trained text encoders…

Machine Learning · Computer Science 2023-08-10 Lukas Struppek , Dominik Hintersdorf , Kristian Kersting

Vision-Language-Action (VLA) models have advanced robotic control by enabling end-to-end decision-making directly from multimodal inputs. However, their tightly coupled architectures expose novel security vulnerabilities. Unlike traditional…

Cryptography and Security · Computer Science 2025-05-23 Xueyang Zhou , Guiyao Tie , Guowen Zhang , Hechang Wang , Pan Zhou , Lichao Sun

As machine learning (ML) systems are being increasingly employed in the real world to handle sensitive tasks and make decisions in various fields, the security and privacy of those models have also become increasingly critical. In…

Cryptography and Security · Computer Science 2023-02-21 Marwan Omar

Deep neural networks (DNN) have shown great success in many computer vision applications. However, they are also known to be susceptible to backdoor attacks. When conducting backdoor attacks, most of the existing approaches assume that the…

Cryptography and Security · Computer Science 2020-09-16 Haoliang Li , Yufei Wang , Xiaofei Xie , Yang Liu , Shiqi Wang , Renjie Wan , Lap-Pui Chau , Alex C. Kot

Text-to-image diffusion models have revolutionized generative AI, but their vulnerability to backdoor attacks poses significant security risks. Adversaries can inject imperceptible textual triggers into training data, causing models to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Ashwath Vaithinathan Aravindan , Abha Jha , Matthew Salaway , Atharva Sandeep Bhide , Duygu Nur Yaldiz

Contrastive Vision-Language Pre-training, known as CLIP, has shown promising effectiveness in addressing downstream image recognition tasks. However, recent works revealed that the CLIP model can be implanted with a downstream-oriented…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jiawang Bai , Kuofeng Gao , Shaobo Min , Shu-Tao Xia , Zhifeng Li , Wei Liu

Modern graph learning systems often combine links with text, as in citation networks with abstracts or social graphs with user posts. In such systems, text is usually easier to edit than graph structure, which creates a practical security…

Machine Learning · Computer Science 2026-03-31 Qi Luo , Minghui Xu , Dongxiao Yu , Xiuzhen Cheng

Multimodal diffusion models for image editing generate outputs conditioned on both textual instructions and visual inputs, aiming to modify target regions while preserving the rest of the image. Although diffusion models have been shown to…

Cryptography and Security · Computer Science 2025-06-02 Ji Guo , Peihong Chen , Wenbo Jiang , Xiaolei Wen , Jiaming He , Jiachen Li , Guoming Lu , Aiguo Chen , Hongwei Li

Self-supervised learning in computer vision aims to pre-train an image encoder using a large amount of unlabeled images or (image, text) pairs. The pre-trained image encoder can then be used as a feature extractor to build downstream…

Cryptography and Security · Computer Science 2021-08-03 Jinyuan Jia , Yupei Liu , Neil Zhenqiang Gong

Backdoor attacks are among the most effective, practical, and stealthy attacks in deep learning. In this paper, we consider a practical scenario where a developer obtains a deep model from a third party and uses it as part of a…

Cryptography and Security · Computer Science 2025-03-28 Dorde Popovic , Amin Sadeghi , Ting Yu , Sanjay Chawla , Issa Khalil

Backdoor attacks have been considered a severe security threat to deep learning. Such attacks can make models perform abnormally on inputs with predefined triggers and still retain state-of-the-art performance on clean data. While backdoor…

Machine Learning · Computer Science 2022-01-27 Yi Zeng , Won Park , Z. Morley Mao , Ruoxi Jia