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Cyber-Physical Vulnerability Analysis of Communication-Based Train Control

Title
Cyber-Physical Vulnerability Analysis of Communication-Based Train Control
Authors
Kim, SangjunWon, YuchangPark, In-HeeEun, YongsoonPark, Kyung-Joon
DGIST Authors
Eun, YongsoonPark, Kyung-Joon
Issue Date
2019-08
Citation
IEEE Internet of Things Journal, 6(4), 6353-6362
Type
Article
Article Type
Article
Author Keywords
Communication-based train controlcyber-physical securitycyber-physical systemsreal-time IoTvulnerability analysis
Keywords
SECURITYSYSTEMS
ISSN
2327-4662
Abstract
A cyber-physical system (CPS) is an entanglement of physical and computing systems by real-time information exchange through networking, which can be considered as realtime IoT because of end-to-end real-time performance guarantee. Most societal infrastructures, such as transportation systems, smart power grid, smart factory, and smart buildings, are key application domains of CPS. Though there have been extensive studies on infrastructures from the perspective of cyber security, insufficient research has been conducted from a practical viewpoint of cyber-physical security. In this paper, we focus on train control systems as one of the critical infrastructures. We fully investigate the emerging de facto standard of train control systems, communication-based train control (CBTC). We analyze the cyber-physical vulnerability of CBTC and discover that a man-in-the-middle attack combined with knowledge on train signaling can cause train collisions in CBTC. To resolve the issue, we propose a countermeasure for resiliency of CBTC. By implementing a realistic CBTC testbed, we validate our analysis. To the best of our knowledge, this is the first in-depth empirical study on cyber-physical vulnerability of CBTC systems.
URI
http://hdl.handle.net/20.500.11750/10491
DOI
10.1109/JIOT.2019.2919066
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Eun, Yongsoon DSC Lab(Dynamic Systems and Control Laboratory)
  • Research Interests Resilient control systems; Control systems with nonlinear sensors and actuators; Quasi-linear control systems; Intelligent transportation systems; Networked control systems
Files:
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Collection:
Department of Information and Communication EngineeringDSC Lab(Dynamic Systems and Control Laboratory)1. Journal Articles
Department of Information and Communication EngineeringCSI(Cyber-Physical Systems Integration) Lab1. Journal Articles


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