City Research Online

SPD-safe: Secure administration of railway intelligent transportation systems

Hatzivasilis, G., Fysarakis, K., Ioannidis, S., Hatzakis, I., Vardakis, G., Papadakis, N. and Spanoudakis, G. ORCID: 0000-0002-0037-2600 (2021). SPD-safe: Secure administration of railway intelligent transportation systems. Electronics (Switzerland), 10(1), 92.. doi: 10.3390/electronics10010092

Abstract

The railway transport system is critical infrastructure that is exposed to numerous manmade and natural threats, thus protecting this physical asset is imperative. Cyber security, privacy, and dependability (SPD) are also important, as the railway operation relies on cyber-physical systems (CPS) systems. This work presents SPD-Safe—an administration framework for railway CPS, leveraging artificial intelligence for monitoring and managing the system in real-time. The network layer protections integrated provide the core security properties of confidentiality, integrity, and authentication, along with energy-aware secure routing and authorization. The effectiveness in mitigating attacks and the efficiency under normal operation are assessed through simulations with the average delay in real equipment being 0.2–0.6 s. SPD metrics are incorporated together with safety semantics for the application environment. Considering an intelligent transportation scenario, SPD-Safe is deployed on railway critical infrastructure, safeguarding one outdoor setting on the railway’s tracks and one in-carriage setting on a freight train that contains dangerous cargo. As demonstrated, SPD-Safe provides higher security and scalability, while enhancing safety response procedures. Nonetheless, emergence response operations require a seamless interoperation of the railway system with emergency authorities’ equipment (e.g., drones). Therefore, a secure integration with external systems is considered as future work.

Publication Type: Article
Additional Information: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Publisher Keywords: intelligent transportation; railway; CPS; security; safety; critical infrastructure
Subjects: H Social Sciences > HE Transportation and Communications
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: School of Mathematics, Computer Science & Engineering > Computer Science
Date available in CRO: 21 Apr 2021 13:39
Date deposited: 21 April 2021
Date of acceptance: 29 December 2020
Date of first online publication: 5 January 2021
URI: https://openaccess.city.ac.uk/id/eprint/25973
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