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Federated learning, an innovative network architecture designed to safeguard user privacy, is gaining widespread adoption in the realm of technology. However, given the existence of backdoor attacks in federated learning, exploring the…

密码学与安全 · 计算机科学 2024-08-27 Weida Xu , Yang Xu , Sicong Zhang

Backdoor attacks pose a serious security threat for training neural networks as they surreptitiously introduce hidden functionalities into a model. Such backdoors remain silent during inference on clean inputs, evading detection due to…

密码学与安全 · 计算机科学 2023-12-15 Lukas Struppek , Martin B. Hentschel , Clifton Poth , Dominik Hintersdorf , Kristian Kersting

As ML models become increasingly complex and integral to high-stakes domains such as finance and healthcare, they also become more susceptible to sophisticated adversarial attacks. We investigate the threat posed by undetectable backdoors,…

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

Federated Learning (FL) is a distributed learning paradigm that enables different parties to train a model together for high quality and strong privacy protection. In this scenario, individual participants may get compromised and perform…

Backdoor attack introduces artificial vulnerabilities into the model by poisoning a subset of the training data via injecting triggers and modifying labels. Various trigger design strategies have been explored to attack text classifiers,…

计算与语言 · 计算机科学 2021-09-23 Zichao Li , Dheeraj Mekala , Chengyu Dong , Jingbo Shang

With the widespread deployment of deep-learning-based speech models in security-critical applications, backdoor attacks have emerged as a serious threat: an adversary who poisons a small fraction of training data can implant a hidden…

密码学与安全 · 计算机科学 2026-03-20 Kun Wang , Meng Chen , Junhao Wang , Yuli Wu , Li Lu , Chong Zhang , Peng Cheng , Jiaheng Zhang , Kui Ren

Backdoor attack has emerged as a major security threat to deep neural networks (DNNs). While existing defense methods have demonstrated promising results on detecting or erasing backdoors, it is still not clear whether robust training…

机器学习 · 计算机科学 2021-12-02 Yige Li , Xixiang Lyu , Nodens Koren , Lingjuan Lyu , Bo Li , Xingjun Ma

Federated learning (FL) enables multiple clients to collaboratively train deep learning models while considering sensitive local datasets' privacy. However, adversaries can manipulate datasets and upload models by injecting triggers for…

机器学习 · 计算机科学 2023-07-04 Zekai Chen , Fuyi Wang , Zhiwei Zheng , Ximeng Liu , Yujie Lin

A new generation of language models reasons entirely in continuous hidden states, producing no tokens and leaving no audit trail. We show that this silence creates a fundamentally new attack surface. ThoughtSteer perturbs a single embedding…

机器学习 · 计算机科学 2026-04-02 Swapnil Parekh

As a novel privacy-preserving paradigm aimed at reducing client computational costs and achieving data utility, split learning has garnered extensive attention and proliferated widespread applications across various fields, including smart…

密码学与安全 · 计算机科学 2024-10-22 Yuwen Pu , Zhuoyuan Ding , Jiahao Chen , Chunyi Zhou , Qingming Li , Chunqiang Hu , Shouling Ji

Federated Learning (FL) enables collaborative deep learning training across multiple participants without exposing sensitive personal data. However, the distributed nature of FL and the unvetted participants' data makes it vulnerable to…

机器学习 · 计算机科学 2023-04-24 Manaar Alam , Hithem Lamri , Michail Maniatakos

Backdoor attack intends to inject hidden backdoor into the deep neural networks (DNNs), such that the prediction of the infected model will be maliciously changed if the hidden backdoor is activated by the attacker-defined trigger, while it…

密码学与安全 · 计算机科学 2021-02-02 Yiming Li , Tongqing Zhai , Baoyuan Wu , Yong Jiang , Zhifeng Li , Shutao Xia

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…

密码学与安全 · 计算机科学 2023-02-21 Marwan Omar

It has been proved that deep neural networks are facing a new threat called backdoor attacks, where the adversary can inject backdoors into the neural network model through poisoning the training dataset. When the input containing some…

密码学与安全 · 计算机科学 2021-03-16 Chuanshuai Chen , Jiazhu Dai

Federated self-supervised learning (FSSL) has recently emerged as a promising paradigm that enables the exploitation of clients' vast amounts of unlabeled data while preserving data privacy. While FSSL offers advantages, its susceptibility…

密码学与安全 · 计算机科学 2024-05-24 Yuwen Qian , Shuchi Wu , Kang Wei , Ming Ding , Di Xiao , Tao Xiang , Chuan Ma , Song Guo

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where an attacker manipulates a small portion of the training data to implant hidden backdoors into the model. The compromised model behaves normally on clean samples but…

密码学与安全 · 计算机科学 2026-02-20 Ting Qiao , Yingjia Wang , Xing Liu , Sixing Wu , Jianbin Li , Yiming Li

Deep neural networks are vulnerable to a range of adversaries. A particularly pernicious class of vulnerabilities are backdoors, where model predictions diverge in the presence of subtle triggers in inputs. An attacker can implant a…

机器学习 · 计算机科学 2022-12-20 Goutham Ramakrishnan , Aws Albarghouthi

Federated learning is a popular strategy for training models on distributed, sensitive data, while preserving data privacy. Prior work identified a range of security threats on federated learning protocols that poison the data or the model.…

密码学与安全 · 计算机科学 2022-08-30 Giorgio Severi , Matthew Jagielski , Gökberk Yar , Yuxuan Wang , Alina Oprea , Cristina Nita-Rotaru

Backdoor attacks embed hidden functionalities in deep neural networks (DNN), triggering malicious behavior with specific inputs. Advanced defenses monitor anomalous DNN inferences to detect such attacks. However, concealed backdoors evade…

密码学与安全 · 计算机科学 2025-02-18 Manaar Alam , Hithem Lamri , Michail Maniatakos