English
Related papers

Related papers: ME: Trigger Element Combination Backdoor Attack on…

200 papers

Deep learning models are vulnerable to backdoor attacks, where attackers inject malicious behavior through data poisoning and later exploit triggers to manipulate deployed models. To improve the stealth and effectiveness of backdoors, prior…

Cryptography and Security · Computer Science 2024-09-10 Xiaolei Liu , Ming Yi , Kangyi Ding , Bangzhou Xin , Yixiao Xu , Li Yan , Chao Shen

While diffusion models excel at generating high-quality images, their tendency to memorize training data poses significant privacy and copyright risks. In this work, we for the first time identify that memorization induces internal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuanmin Huang , Mi Zhang , Chen Chen , Feifei Li , Geng Hong , Xiaoyu You , Min Yang

With the broad application of deep neural networks (DNNs), backdoor attacks have gradually attracted attention. Backdoor attacks are insidious, and poisoned models perform well on benign samples and are only triggered when given specific…

Machine Learning · Computer Science 2022-07-12 Chang Yue , Peizhuo Lv , Ruigang Liang , Kai Chen

In recent years, diffusion models have achieved remarkable success in the realm of high-quality image generation, garnering increased attention. This surge in interest is paralleled by a growing concern over the security threats associated…

Machine Learning · Computer Science 2024-06-04 Sen Li , Junchi Ma , Minhao Cheng

Deep neural networks(DNNs) is vulnerable to be attacked by adversarial examples. Black-box attack is the most threatening attack. At present, black-box attack methods mainly adopt gradient-based iterative attack methods, which usually limit…

Machine Learning · Computer Science 2021-06-24 Pengfei Xie , Linyuan Wang , Ruoxi Qin , Kai Qiao , Shuhao Shi , Guoen Hu , Bin Yan

In big data era, machine learning is one of fundamental techniques in intrusion detection systems (IDSs). However, practical IDSs generally update their decision module by feeding new data then retraining learning models in a periodical…

Machine Learning · Computer Science 2018-03-13 Pan Li , Qiang Liu , Wentao Zhao , Dongxu Wang , Siqi Wang

Advanced text-to-image diffusion models raise safety concerns regarding identity privacy violation, copyright infringement, and Not Safe For Work content generation. Towards this, unlearning methods have been developed to erase these…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Xiaoxuan Han , Songlin Yang , Wei Wang , Yang Li , Jing Dong

Machine learning based malware detectors become obsolete over time due to concept drift in benign and malware applications. Recent methods rely on fully labeled data and use hierarchical contrastive loss (HCL) with active learning to…

Semi-supervised machine learning models learn from a (small) set of labeled training examples, and a (large) set of unlabeled training examples. State-of-the-art models can reach within a few percentage points of fully-supervised training,…

Machine Learning · Computer Science 2021-08-11 Nicholas Carlini

Backdoor attack has emerged as a novel and concerning threat to AI security. These attacks involve the training of Deep Neural Network (DNN) on datasets that contain hidden trigger patterns. Although the poisoned model behaves normally on…

Cryptography and Security · Computer Science 2024-03-06 Huasong Zhou , Xiaowei Xu , Xiaodong Wang , Leon Bevan Bullock

Deep joint source-channel coding (JSCC) has emerged as a promising paradigm for semantic communication, delivering significant performance gains over conventional separate coding schemes. However, existing JSCC frameworks remain vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Changyuan Zhao , Jiacheng Wang , Ruichen Zhang , Dusit Niyato , Hongyang Du , Zehui Xiong , Dong In Kim , Ping Zhang

We investigate whether knowledge distillation (KD) from multiple heterogeneous teacher models can enhance the generation of transferable adversarial examples. A lightweight student model is trained using two KD strategies: curriculum-based…

Machine Learning · Computer Science 2025-07-30 Siddhartha Pradhan , Shikshya Shiwakoti , Neha Bathuri

Given the need to evaluate the robustness of face recognition (FR) models, many efforts have focused on adversarial patch attacks that mislead FR models by introducing localized perturbations. Impersonation attacks are a significant threat…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Mingsi Wang , Shuaiyin Yao , Chang Yue , Lijie Zhang , Guozhu Meng

Federated learning security research has predominantly focused on backdoor threats from a minority of malicious clients that intentionally corrupt model updates. This paper challenges this paradigm by investigating a more pervasive and…

Cryptography and Security · Computer Science 2026-02-18 Haodong Zhao , Jinming Hu , Gongshen Liu

Neural networks are susceptible to small perturbations in the form of 2D rotations and shifts, image crops, and even changes in object colors. Past works attribute these errors to dataset bias, claiming that models fail on these perturbed…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Spandan Madan , Tomotake Sasaki , Hanspeter Pfister , Tzu-Mao Li , Xavier Boix

Backdoor attacks pose serious security threats to deep neural networks (DNNs). Backdoored models make arbitrarily (targeted) incorrect predictions on inputs embedded with well-designed triggers while behaving normally on clean inputs. Many…

Cryptography and Security · Computer Science 2023-07-21 Yudong Gao , Honglong Chen , Peng Sun , Junjian Li , Anqing Zhang , Zhibo Wang

Recently, the text-to-image diffusion model has gained considerable attention from the community due to its exceptional image generation capability. A representative model, Stable Diffusion, amassed more than 10 million users within just…

Cryptography and Security · Computer Science 2024-09-16 Chenyu Zhang , Mingwang Hu , Wenhui Li , Lanjun Wang

The unlearning problem of deep learning models, once primarily an academic concern, has become a prevalent issue in the industry. The significant advances in text-to-image generation techniques have prompted global discussions on privacy,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Eric Zhang , Kai Wang , Xingqian Xu , Zhangyang Wang , Humphrey Shi

To enhance the security of text CAPTCHAs, various methods have been employed, such as adding the interference lines on the text, randomly distorting the characters, and overlapping multiple characters. These methods partly increase the…

Cryptography and Security · Computer Science 2023-08-17 Ran Jiang , Sanfeng Zhang , Linfeng Liu , Yanbing Peng

Nowadays, the development of a Presentation Attack Detection (PAD) system for ID cards presents a challenge due to the lack of images available to train a robust PAD system and the increase in diversity of possible attack instrument…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Qingwen Zeng , Juan E. Tapia , Izan Garcia , Juan M. Espin , Christoph Busch