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Deep neural networks (DNNs) have been widely and successfully adopted and deployed in various applications of speech recognition. Recently, a few works revealed that these models are vulnerable to backdoor attacks, where the adversaries can…

声音 · 计算机科学 2023-07-18 Hanbo Cai , Pengcheng Zhang , Hai Dong , Yan Xiao , Stefanos Koffas , Yiming Li

We propose a novel clustering mechanism based on an incompatibility property between subsets of data that emerges during model training. This mechanism partitions the dataset into subsets that generalize only to themselves, i.e., training…

机器学习 · 计算机科学 2023-04-28 Charles Jin , Melinda Sun , Martin Rinard

With the boom in the natural language processing (NLP) field these years, backdoor attacks pose immense threats against deep neural network models. However, previous works hardly consider the effect of the poisoning rate. In this paper, our…

密码学与安全 · 计算机科学 2023-11-27 Yueqi Zeng , Ziqiang Li , Pengfei Xia , Lei Liu , Bin Li

Backdoor attacks mislead machine-learning models to output an attacker-specified class when presented a specific trigger at test time. These attacks require poisoning the training data to compromise the learning algorithm, e.g., by…

机器学习 · 计算机科学 2021-11-03 Kathrin Grosse , Taesung Lee , Battista Biggio , Youngja Park , Michael Backes , Ian Molloy

Backdoor attacks involve the injection of a limited quantity of poisoned examples containing triggers into the training dataset. During the inference stage, backdoor attacks can uphold a high level of accuracy for normal examples, yet when…

密码学与安全 · 计算机科学 2024-06-25 Hanfeng Xia , Haibo Hong , Ruili Wang

With the widespread use of deep learning system in many applications, the adversary has strong incentive to explore vulnerabilities of deep neural networks and manipulate them. Backdoor attacks against deep neural networks have been…

密码学与安全 · 计算机科学 2019-06-05 Jiazhu Dai , Chuanshuai Chen

Backdoor attacks embed malicious triggers into training data, enabling attackers to manipulate neural network behavior during inference while maintaining high accuracy on benign inputs. However, existing backdoor attacks face limitations…

密码学与安全 · 计算机科学 2025-05-27 Zhou Feng , Jiahao Chen , Chunyi Zhou , Yuwen Pu , Qingming Li , Shouling Ji

Deep neural networks (DNNs) are recently shown to be vulnerable to backdoor attacks, where attackers embed hidden backdoors in the DNN model by injecting a few poisoned examples into the training dataset. While extensive efforts have been…

人工智能 · 计算机科学 2023-03-14 Zaixi Zhang , Qi Liu , Zhicai Wang , Zepu Lu , Qingyong Hu

Dataset distillation (DD) enhances training efficiency and reduces bandwidth by condensing large datasets into smaller synthetic ones. It enables models to achieve performance comparable to those trained on the raw full dataset and has…

密码学与安全 · 计算机科学 2025-02-07 Ziyuan Yang , Ming Yan , Yi Zhang , Joey Tianyi Zhou

Neural networks are often trained on proprietary datasets, making them attractive attack targets. We present a novel dataset extraction method leveraging an innovative training time backdoor attack, allowing a malicious federated learning…

密码学与安全 · 计算机科学 2025-12-19 Eden Luzon , Guy Amit , Roy Weiss , Torsten Kraub , Alexandra Dmitrienko , Yisroel Mirsky

In adversarial machine learning, new defenses against attacks on deep learning systems are routinely broken soon after their release by more powerful attacks. In this context, forensic tools can offer a valuable complement to existing…

密码学与安全 · 计算机科学 2022-06-17 Shawn Shan , Arjun Nitin Bhagoji , Haitao Zheng , Ben Y. Zhao

While machine learning (ML) models are being increasingly trusted to make decisions in different and varying areas, the safety of systems using such models has become an increasing concern. In particular, ML models are often trained on data…

Modern neural networks are often trained on massive datasets that are web scraped with minimal human inspection. As a result of this insecure curation pipeline, an adversary can poison or backdoor the resulting model by uploading malicious…

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where adversaries embed a hidden backdoor trigger during the training process for malicious prediction manipulation. These attacks pose great threats to the applications of…

密码学与安全 · 计算机科学 2023-02-21 Junfeng Guo , Yiming Li , Xun Chen , Hanqing Guo , Lichao Sun , Cong Liu

Website Fingerprinting (WF) is an effective tool for regulating and governing the dark web. However, its performance can be significantly degraded by backdoor poisoning attacks in practical deployments. This paper aims to address the…

密码学与安全 · 计算机科学 2025-06-17 Yali Yuan , Kai Xu , Ruolin Ma , Yuchen Zhang

A security threat to deep neural networks (DNN) is backdoor contamination, in which an adversary poisons the training data of a target model to inject a Trojan so that images carrying a specific trigger will always be classified into a…

密码学与安全 · 计算机科学 2020-12-11 Di Tang , XiaoFeng Wang , Haixu Tang , Kehuan Zhang

Deep neural networks (DNNs) have gain its popularity in various scenarios in recent years. However, its excellent ability of fitting complex functions also makes it vulnerable to backdoor attacks. Specifically, a backdoor can remain hidden…

密码学与安全 · 计算机科学 2023-05-18 Xinrui Liu , Yu-an Tan , Yajie Wang , Kefan Qiu , Yuanzhang Li

Malicious clients can attack federated learning systems using malicious data, including backdoor samples, during the training phase. The compromised global model will perform well on the validation dataset designed for the task, but a small…

密码学与安全 · 计算机科学 2021-01-18 Chen Wu , Xian Yang , Sencun Zhu , Prasenjit Mitra

Backdoor data poisoning is an emerging form of adversarial attack usually against deep neural network image classifiers. The attacker poisons the training set with a relatively small set of images from one (or several) source class(es),…

机器学习 · 计算机科学 2020-10-16 Zhen Xiang , David J. Miller , George Kesidis

We study backdoor poisoning attacks against image classification networks, whereby an attacker inserts a trigger into a subset of the training data, in such a way that at test time, this trigger causes the classifier to predict some target…

密码学与安全 · 计算机科学 2022-02-03 Muhammad Usman , Youcheng Sun , Divya Gopinath , Corina S. Pasareanu