Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems

The distribution automation system (DAS) is vulnerable to cyber-attacks due to the widespread use of terminal devices and standard communication protocols. On account of the cost of defense, it is impossible to ensure the security of every device in the DAS. Given this background, a novel quantitati...

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Main Authors: Xiaming Ye, Junhua Zhao, Yan Zhang, Fushuan Wen
Format: Article
Language:English
Published: MDPI AG 2015-06-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/8/6/5266
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author Xiaming Ye
Junhua Zhao
Yan Zhang
Fushuan Wen
author_facet Xiaming Ye
Junhua Zhao
Yan Zhang
Fushuan Wen
author_sort Xiaming Ye
collection DOAJ
description The distribution automation system (DAS) is vulnerable to cyber-attacks due to the widespread use of terminal devices and standard communication protocols. On account of the cost of defense, it is impossible to ensure the security of every device in the DAS. Given this background, a novel quantitative vulnerability assessment model of cyber security for DAS is developed in this paper. In the assessment model, the potential physical consequences of cyber-attacks are analyzed from two levels: terminal device level and control center server level. Then, the attack process is modeled based on game theory and the relationships among different vulnerabilities are analyzed by introducing a vulnerability adjacency matrix. Finally, the application process of the proposed methodology is illustrated through a case study based on bus 2 of the Roy Billinton Test System (RBTS). The results demonstrate the reasonability and effectiveness of the proposed methodology.
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spelling doaj.art-6c8aea37408d484c8c71b49f968c26b92022-12-22T02:54:43ZengMDPI AGEnergies1996-10732015-06-01865266528610.3390/en8065266en8065266Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation SystemsXiaming Ye0Junhua Zhao1Yan Zhang2Fushuan Wen3College of Electrical Engineering, Zhejiang University, Hangzhou 310027, ChinaSchool of Electrical Engineering and Computer Science, the University of Newcastle, Newcastle, NSW 2308, AustraliaCollege of Electrical Engineering, Zhejiang University, Hangzhou 310027, ChinaDepartment of Electrical and Electronic Engineering, Institut Teknologi Brunei, Bandar Seri Begawan BE1410, BruneiThe distribution automation system (DAS) is vulnerable to cyber-attacks due to the widespread use of terminal devices and standard communication protocols. On account of the cost of defense, it is impossible to ensure the security of every device in the DAS. Given this background, a novel quantitative vulnerability assessment model of cyber security for DAS is developed in this paper. In the assessment model, the potential physical consequences of cyber-attacks are analyzed from two levels: terminal device level and control center server level. Then, the attack process is modeled based on game theory and the relationships among different vulnerabilities are analyzed by introducing a vulnerability adjacency matrix. Finally, the application process of the proposed methodology is illustrated through a case study based on bus 2 of the Roy Billinton Test System (RBTS). The results demonstrate the reasonability and effectiveness of the proposed methodology.http://www.mdpi.com/1996-1073/8/6/5266smart griddistribution automation systemcyber securityvulnerability assessment
spellingShingle Xiaming Ye
Junhua Zhao
Yan Zhang
Fushuan Wen
Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems
Energies
smart grid
distribution automation system
cyber security
vulnerability assessment
title Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems
title_full Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems
title_fullStr Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems
title_full_unstemmed Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems
title_short Quantitative Vulnerability Assessment of Cyber Security for Distribution Automation Systems
title_sort quantitative vulnerability assessment of cyber security for distribution automation systems
topic smart grid
distribution automation system
cyber security
vulnerability assessment
url http://www.mdpi.com/1996-1073/8/6/5266
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