Dullahan: Stealthy Backdoor Attack against Without-Label-Sharing Split Learning

Fuente: arXiv
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Auteurs principaux: Pu, Yuwen, Ding, Zhuoyuan, Chen, Jiahao, Zhou, Chunyi, Li, Qingming, Hu, Chunqiang, Ji, Shouling
Format: Preprint
Publié: 2024
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author Pu, Yuwen
Ding, Zhuoyuan
Chen, Jiahao
Zhou, Chunyi
Li, Qingming
Hu, Chunqiang
Ji, Shouling
author_facet Pu, Yuwen
Ding, Zhuoyuan
Chen, Jiahao
Zhou, Chunyi
Li, Qingming
Hu, Chunqiang
Ji, Shouling
contents 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 health and smart transportation, among others. While recent studies have primarily concentrated on addressing privacy leakage concerns in split learning, such as inference attacks and data reconstruction, the exploration of security issues (e.g., backdoor attacks) within the framework of split learning has been comparatively limited. Nonetheless, the security vulnerability within the context of split learning is highly posing a threat and can give rise to grave security implications, such as the illegal impersonation in the face recognition model. Therefore, in this paper, we propose a stealthy backdoor attack strategy (namely SBAT) tailored to the without-label-sharing split learning architecture, which unveils the inherent security vulnerability of split learning. We posit the existence of a potential attacker on the server side aiming to introduce a backdoor into the training model, while exploring two scenarios: one with known client network architecture and the other with unknown architecture. Diverging from traditional backdoor attack methods that manipulate the training data and labels, we constructively conduct the backdoor attack by injecting the trigger embedding into the server network. Specifically, our SBAT achieves a higher level of attack stealthiness by refraining from modifying any intermediate parameters (e.g., gradients) during training and instead executing all malicious operations post-training.
format Preprint
id arxiv_https___arxiv_org_abs_2405_12751
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Dullahan: Stealthy Backdoor Attack against Without-Label-Sharing Split Learning
Pu, Yuwen
Ding, Zhuoyuan
Chen, Jiahao
Zhou, Chunyi
Li, Qingming
Hu, Chunqiang
Ji, Shouling
Cryptography and Security
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 health and smart transportation, among others. While recent studies have primarily concentrated on addressing privacy leakage concerns in split learning, such as inference attacks and data reconstruction, the exploration of security issues (e.g., backdoor attacks) within the framework of split learning has been comparatively limited. Nonetheless, the security vulnerability within the context of split learning is highly posing a threat and can give rise to grave security implications, such as the illegal impersonation in the face recognition model. Therefore, in this paper, we propose a stealthy backdoor attack strategy (namely SBAT) tailored to the without-label-sharing split learning architecture, which unveils the inherent security vulnerability of split learning. We posit the existence of a potential attacker on the server side aiming to introduce a backdoor into the training model, while exploring two scenarios: one with known client network architecture and the other with unknown architecture. Diverging from traditional backdoor attack methods that manipulate the training data and labels, we constructively conduct the backdoor attack by injecting the trigger embedding into the server network. Specifically, our SBAT achieves a higher level of attack stealthiness by refraining from modifying any intermediate parameters (e.g., gradients) during training and instead executing all malicious operations post-training.
title Dullahan: Stealthy Backdoor Attack against Without-Label-Sharing Split Learning
topic Cryptography and Security
url https://arxiv.org/abs/2405.12751