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Recently, backdoor attacks pose a new security threat to the training process of deep neural networks (DNNs). Attackers intend to inject hidden backdoors into DNNs, such that the attacked model performs well on benign samples, whereas its…

密码学与安全 · 计算机科学 2021-08-16 Yuezun Li , Yiming Li , Baoyuan Wu , Longkang Li , Ran He , Siwei Lyu

The vulnerabilities to backdoor attacks have recently threatened the trustworthiness of machine learning models in practical applications. Conventional wisdom suggests that not everyone can be an attacker since the process of designing the…

密码学与安全 · 计算机科学 2023-09-06 Sze Jue Yang , Quang Nguyen , Chee Seng Chan , Khoa D. Doan

Genomic foundation models trained on DNA sequences have demonstrated remarkable capabilities across diverse biological tasks, from variant effect prediction to genome design. These models are typically trained on massive, publicly sourced…

基因组学 · 定量生物学 2026-03-31 Charalampos Koilakos , Ioannis Mouratidis , Ilias Georgakopoulos-Soares

Rounding confidence score is considered trivial but a simple and effective countermeasure to stop gradient descent based image reconstruction attacks. However, its capability in the face of more sophisticated reconstruction attacks is an…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Hadi Mansourifar , Weidong Shi

In the software engineering community, deep learning (DL) has recently been applied to many source code processing tasks. Due to the poor interpretability of DL models, their security vulnerabilities require scrutiny. Recently, researchers…

软件工程 · 计算机科学 2022-11-01 Jia Li , Zhuo Li , Huangzhao Zhang , Ge Li , Zhi Jin , Xing Hu , Xin Xia

Data-poisoning based backdoor attacks aim to insert backdoor into models by manipulating training datasets without controlling the training process of the target model. Existing attack methods mainly focus on designing triggers or fusion…

密码学与安全 · 计算机科学 2023-07-17 Zihao Zhu , Mingda Zhang , Shaokui Wei , Li Shen , Yanbo Fan , Baoyuan Wu

In recent years, the security of AI systems has drawn increasing research attention, especially in the medical imaging realm. To develop a secure medical image analysis (MIA) system, it is a must to study possible backdoor attacks (BAs),…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Yu Feng , Benteng Ma , Jing Zhang , Shanshan Zhao , Yong Xia , Dacheng Tao

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…

密码学与安全 · 计算机科学 2021-03-25 Yinpeng Dong , Xiao Yang , Zhijie Deng , Tianyu Pang , Zihao Xiao , Hang Su , Jun Zhu

DeepFake, an AI technology for creating facial forgeries, has garnered global attention. Amid such circumstances, forensics researchers focus on developing defensive algorithms to counter these threats. In contrast, there are techniques…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Bing Fan , Shu Hu , Feng Ding

Detecting falsified faces generated by Deepfake technology is essential for safeguarding trust in digital communication and protecting individuals. However, current detectors often suffer from a dual-overfitting: they become overly…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Xinan He , Yue Zhou , Shu Hu , Bin Li , Jiwu Huang , Feng Ding

3D object detection plays an important role in autonomous driving; however, its vulnerability to backdoor attacks has become evident. By injecting ''triggers'' to poison the training dataset, backdoor attacks manipulate the detector's…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Saket S. Chaturvedi , Lan Zhang , Wenbin Zhang , Pan He , Xiaoyong Yuan

The foundation models (FMs) have been used to generate synthetic public datasets for the heterogeneous federated learning (HFL) problem where each client uses a unique model architecture. However, the vulnerabilities of integrating FMs,…

分布式、并行与集群计算 · 计算机科学 2023-12-01 Xi Li , Chen Wu , Jiaqi Wang

The stunning progress in face manipulation methods has made it possible to synthesize realistic fake face images, which poses potential threats to our society. It is urgent to have face forensics techniques to distinguish those tampered…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Jia Li , Tong Shen , Wei Zhang , Hui Ren , Dan Zeng , Tao Mei

We conduct a systematic study of backdoor vulnerabilities in normally trained Deep Learning models. They are as dangerous as backdoors injected by data poisoning because both can be equally exploited. We leverage 20 different types of…

密码学与安全 · 计算机科学 2022-11-30 Guanhong Tao , Zhenting Wang , Siyuan Cheng , Shiqing Ma , Shengwei An , Yingqi Liu , Guangyu Shen , Zhuo Zhang , Yunshu Mao , Xiangyu Zhang

Deep Neural Networks (DNNs) are ubiquitous and span a variety of applications ranging from image classification to real-time object detection. As DNN models become more sophisticated, the computational cost of training these models becomes…

密码学与安全 · 计算机科学 2023-01-10 Hasan Abed Al Kader Hammoud , Bernard Ghanem

As a distributed machine learning paradigm, Federated Learning (FL) enables large-scale clients to collaboratively train a model without sharing their raw data. However, due to the lack of data auditing for untrusted clients, FL is…

机器学习 · 计算机科学 2025-09-10 Yanxin Yang , Ming Hu , Xiaofei Xie , Yue Cao , Pengyu Zhang , Yihao Huang , Mingsong Chen

In recent years, the neural network backdoor hidden in the parameters of the federated learning model has been proved to have great security risks. Considering the characteristics of trigger generation, data poisoning and model training in…

机器学习 · 计算机科学 2024-04-23 Rong Wang , Guichen Zhou , Mingjun Gao , Yunpeng Xiao

Natural language processing (NLP) systems have been proven to be vulnerable to backdoor attacks, whereby hidden features (backdoors) are trained into a language model and may only be activated by specific inputs (called triggers), to trick…

计算与语言 · 计算机科学 2021-09-29 Shaofeng Li , Hui Liu , Tian Dong , Benjamin Zi Hao Zhao , Minhui Xue , Haojin Zhu , Jialiang Lu

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…

密码学与安全 · 计算机科学 2020-10-19 Anh Nguyen , Anh Tran

Backdoor attacks pose a significant security risk to graph learning models. Backdoors can be embedded into the target model by inserting backdoor triggers into the training dataset, causing the model to make incorrect predictions when the…

密码学与安全 · 计算机科学 2023-08-09 Zihan Guan , Mengnan Du , Ninghao Liu