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In this work, we investigate the concept of biometric backdoors: a template poisoning attack on biometric systems that allows adversaries to stealthily and effortlessly impersonate users in the long-term by exploiting the template update…

密码学与安全 · 计算机科学 2020-11-06 Giulio Lovisotto , Simon Eberz , Ivan Martinovic

Property inference attacks allow an adversary to extract global properties of the training dataset from a machine learning model. Such attacks have privacy implications for data owners sharing their datasets to train machine learning…

机器学习 · 计算机科学 2023-06-23 Harsh Chaudhari , John Abascal , Alina Oprea , Matthew Jagielski , Florian Tramèr , Jonathan Ullman

Recommender systems play a central role in digital platforms by providing personalized content. They often use methods such as collaborative filtering and machine learning to accurately predict user preferences. Although these systems offer…

密码学与安全 · 计算机科学 2025-11-11 Zihao Wang , Tianhao Mao , XiaoFeng Wang , Di Tang , Xiaozhong Liu

Deep neural networks (DNNs) are vulnerable to adversarial examples. And, the adversarial examples have transferability, which means that an adversarial example for a DNN model can fool another model with a non-trivial probability. This gave…

机器学习 · 计算机科学 2023-09-06 Dingcheng Yang , Zihao Xiao , Wenjian Yu

To make room for privacy and efficiency, the deployment of many recommender systems is experiencing a shift from central servers to personal devices, where the federated recommender systems (FedRecs) and decentralized collaborative…

密码学与安全 · 计算机科学 2024-04-02 Ruiqi Zheng , Liang Qu , Tong Chen , Kai Zheng , Yuhui Shi , Hongzhi Yin

Deep neural networks are vulnerable to adversarial examples crafted by applying human-imperceptible perturbations on clean inputs. Although many attack methods can achieve high success rates in the white-box setting, they also exhibit weak…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Zhijin Ge , Fanhua Shang , Hongying Liu , Yuanyuan Liu , Liang Wan , Wei Feng , Xiaosen Wang

Transferable adversarial attack is always in the spotlight since deep learning models have been demonstrated to be vulnerable to adversarial samples. However, existing physical attack methods do not pay enough attention on transferability…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Yu Zhang , Zhiqiang Gong , Yichuang Zhang , YongQian Li , Kangcheng Bin , Jiahao Qi , Wei Xue , Ping Zhong

Recent studies have shown that deep learning models are very vulnerable to poisoning attacks. Many defense methods have been proposed to address this issue. However, traditional poisoning attacks are not as threatening as commonly believed.…

机器学习 · 计算机科学 2025-12-12 Yuhao He , Jinyu Tian , Xianwei Zheng , Li Dong , Yuanman Li , Jiantao Zhou

Two widely used techniques for training supervised machine learning models on small datasets are Active Learning and Transfer Learning. The former helps to optimally use a limited budget to label new data. The latter uses large pre-trained…

机器学习 · 计算机科学 2021-01-28 Nicolas M. Müller , Konstantin Böttinger

Deep neural networks are vulnerable to adversarial examples, which can fool deep models by adding subtle perturbations. Although existing attacks have achieved promising results, it still leaves a long way to go for generating transferable…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Yexin Duan , Junhua Zou , Xingyu Zhou , Wu Zhang , Jin Zhang , Zhisong Pan

Machine learning systems can produce personalized outputs that allow an adversary to infer sensitive input attributes at inference time. We introduce Robust Privacy (RP), an inference-time privacy notion inspired by certified robustness: if…

机器学习 · 计算机科学 2026-01-27 Jiankai Jin , Xiangzheng Zhang , Zhao Liu , Deyue Zhang , Quanchen Zou

Adversarial pruning methods have emerged as a powerful tool for compressing neural networks while preserving robustness against adversarial attacks. These methods typically follow a three-step pipeline: (i) pretrain a robust model, (ii)…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Giorgio Piras , Qi Zhao , Fabio Brau , Maura Pintor , Christian Wressnegger , Battista Biggio

Recommender systems play a pivotal role in mitigating information overload in various fields. Nonetheless, the inherent openness of these systems introduces vulnerabilities, allowing attackers to insert fake users into the system's training…

信息检索 · 计算机科学 2024-09-27 Kaike Zhang , Qi Cao , Yunfan Wu , Fei Sun , Huawei Shen , Xueqi Cheng

This paper presents Poisoning MorphNet, the first backdoor attack method on point clouds. Conventional adversarial attack takes place in the inference stage, often fooling a model by perturbing samples. In contrast, backdoor attack aims to…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Guiyu Tian , Wenhao Jiang , Wei Liu , Yadong Mu

Increasing use of machine learning (ML) technologies in privacy-sensitive domains such as medical diagnoses, lifestyle predictions, and business decisions highlights the need to better understand if these ML technologies are introducing…

密码学与安全 · 计算机科学 2022-01-25 Shagufta Mehnaz , Sayanton V. Dibbo , Ehsanul Kabir , Ninghui Li , Elisa Bertino

Recommender systems have become an integral part of online services to help users locate specific information in a sea of data. However, existing studies show that some recommender systems are vulnerable to poisoning attacks, particularly…

Federated learning (FL) is vulnerable to poisoning attacks, where malicious clients manipulate their updates to affect the global model. Although various methods exist for detecting those clients in FL, identifying malicious clients…

密码学与安全 · 计算机科学 2024-01-22 Yu Jiang , Jiyuan Shen , Ziyao Liu , Chee Wei Tan , Kwok-Yan Lam

Federated learning is inherently vulnerable to model poisoning attacks because its decentralized nature allows attackers to participate with compromised devices. In model poisoning attacks, the attacker reduces the model's performance on…

机器学习 · 计算机科学 2021-12-14 Ashwinee Panda , Saeed Mahloujifar , Arjun N. Bhagoji , Supriyo Chakraborty , Prateek Mittal

State-of-the-art deep neural networks are known to be vulnerable to adversarial examples, formed by applying small but malicious perturbations to the original inputs. Moreover, the perturbations can \textit{transfer across models}:…

机器学习 · 统计学 2018-02-28 Lei Wu , Zhanxing Zhu , Cheng Tai , Weinan E

The prevalence of data scraping from social media as a means to obtain datasets has led to growing concerns regarding unauthorized use of data. Data poisoning attacks have been proposed as a bulwark against scraping, as they make data…

机器学习 · 计算机科学 2022-10-17 Pedro Sandoval-Segura , Vasu Singla , Jonas Geiping , Micah Goldblum , Tom Goldstein , David W. Jacobs