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Authors
Jun, Yang
Yan, Xiong
Changhong, Li
Chunjie, Zhou
Shangru, Zhou
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Funding
Funding for this research was provided by:
The Regional Joint Fund Project of Natural Science Foundation of Hunan Province (2025JJ70016)
National Key Research and Development Program of China (2022YFB4301202)
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Article History
Received: 17 July 2025
Accepted: 3 November 2025
First Online: 15 June 2026
Declarations
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: The authors declare that they have no Conflict of interest.
: With the rapid development of global high-speed railways and the deep integration of intelligent and networked technologies into high-speed trains, cybersecurity has become a key concern. To address this issue, this paper proposes a cybersecurity protection framework that covers a secure communication network, a risk-oriented intrusion tolerance system, and attack resilience strategies tailored to train dynamic operations. Based on an in-depth analysis of the onboard network architecture and the security threats it faces, this study explores the supporting technologies and research status associated with the proposed framework, as well as the critical security issues that need further attention in the future development of high-speed trains.
