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Electronics 2016, 5(3), 40; doi:10.3390/electronics5030040

Cyber-Physical System Security of a Power Grid: State-of-the-Art

1
School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA 99164, USA
2
Visiting Professor, School of Mechanical and Materials Engineering, University College Dublin, Belfield, Dublin 4, Ireland
*
Author to whom correspondence should be addressed.
Academic Editors: Alfredo Vaccaro and Jin (Wei) Kocsis
Received: 26 April 2016 / Revised: 28 June 2016 / Accepted: 8 July 2016 / Published: 14 July 2016
(This article belongs to the Special Issue Smart Grid Cyber Security)
View Full-Text   |   Download PDF [2544 KB, uploaded 14 July 2016]   |  

Abstract

As part of the smart grid development, more and more technologies are developed and deployed on the power grid to enhance the system reliability. A primary purpose of the smart grid is to significantly increase the capability of computer-based remote control and automation. As a result, the level of connectivity has become much higher, and cyber security also becomes a potential threat to the cyber-physical systems (CPSs). In this paper, a survey of the state-of-the-art is conducted on the cyber security of the power grid concerning issues of: (1) the structure of CPSs in a smart grid; (2) cyber vulnerability assessment; (3) cyber protection systems; and (4) testbeds of a CPS. At Washington State University (WSU), the Smart City Testbed (SCT) has been developed to provide a platform to test, analyze and validate defense mechanisms against potential cyber intrusions. A test case is provided in this paper to demonstrate how a testbed helps the study of cyber security and the anomaly detection system (ADS) for substations. View Full-Text
Keywords: cyber security; cyber-physical system; intrusion detection; testbed; smart grid cyber security; cyber-physical system; intrusion detection; testbed; smart grid
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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. (CC BY 4.0).

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Sun, C.-C.; Liu, C.-C.; Xie, J. Cyber-Physical System Security of a Power Grid: State-of-the-Art. Electronics 2016, 5, 40.

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