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Assessment of Terrorism Risk to Critical Infrastructures: The Case of a Power-Supply Substation

Department of Civil and Environmental Engineering, University of Maryland, 4298 Campus Dr., College Park, MD 20742, USA
Department of Building and Real Estate, Hong Kong Polytechnic University, 7/F, South Tower, Block Z, Kowloon ZS725, Hong Kong
Department of Structural Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel
Department of Construction Engineering, ChaoYang University of Technology, 168, Jifong E. Rd., Wufong District, Taichung City 41349, Taiwan
Institute for Theoretical and Applied Informatics, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland
Department of Civil and Environmental Engineering and Architecture, University of Science and Technology Bydgoszcz, Al. Prof. S. Kaliskiego 7, Building 2.4, 85-796 Bydgoszcz, Poland
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(20), 7162;
Received: 23 August 2020 / Revised: 28 September 2020 / Accepted: 12 October 2020 / Published: 14 October 2020
(This article belongs to the Section Civil Engineering)
This paper presents a novel approach for estimating the vulnerability level of critical infrastructure confronting potential terrorist threats and assessing the usefulness of various protection strategies for critical infrastructure (CI). A methodology, utilizing a combination of topological network analysis and game theory, is presented to evaluate the effectiveness of protection strategies for certain components in the infrastructure under various attack scenarios. This paper focuses on protective strategies that are based on different attack scenarios as well as on the connectivity of the critical infrastructure components. The methodology proposed allows optimization of protection strategies in terms of investment in critical infrastructure protection in order to reduce expenditures on local infrastructure protection or on a single critical infrastructure for small projects. A case study of a power-supply substation is included to validate the analytical framework. The results indicate that the framework is highly applicable to other types of critical infrastructures facing similar threats. The results suggest that when only terrorist attacks are considered, improving the robustness of CI has a much higher effectiveness and efficiency than improving CI redundancy. The research methodology in this paper can be applied to a wide range of critical infrastructures and systems that may be at risk from manmade extreme events. View Full-Text
Keywords: critical infrastructure; risk assessment; terrorism critical infrastructure; risk assessment; terrorism
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MDPI and ACS Style

Yao, X.; Wei, H.-H.; Shohet, I.M.; Skibniewski, M.J. Assessment of Terrorism Risk to Critical Infrastructures: The Case of a Power-Supply Substation. Appl. Sci. 2020, 10, 7162.

AMA Style

Yao X, Wei H-H, Shohet IM, Skibniewski MJ. Assessment of Terrorism Risk to Critical Infrastructures: The Case of a Power-Supply Substation. Applied Sciences. 2020; 10(20):7162.

Chicago/Turabian Style

Yao, Xijun; Wei, Hsi-Hsien; Shohet, Igal M.; Skibniewski, Miroslaw J. 2020. "Assessment of Terrorism Risk to Critical Infrastructures: The Case of a Power-Supply Substation" Appl. Sci. 10, no. 20: 7162.

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