Title: Systematic planning of moving target defence for maximising detection effectiveness against false data injection attacks in smart grid

Journal Article · · IET Cyber-Physical Systems: Theory & Applications
DOI: https://doi.org/10.1049/cps2.12012 · OSTI ID:1782291
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  1. Mike Wiegers Department of Electrical and Computer Engineering Kansas State University Manhattan Kansas USA

Abstract Moving target defence (MTD) has been gaining traction to thwart false data injection attacks against state estimation (SE) in the power grid. MTD actively perturbs the reactance of transmission lines equipped with distributed flexible AC transmission system (D‐FACTS) devices to falsify the attacker's knowledge about the system configuration. However, the existing literature has not systematically studied what influences the detection effectiveness of MTD and how it can be improved based on the topology analysis. These problems are tackled here from the perspective of an MTD plan in which the D‐FACTS placement is determined. We first exploit the relation between the rank of the composite matrix and the detecting effectiveness. Then, we rigorously derive upper and lower bounds on the attack detecting probability of MTDs with a given rank of the composite matrix. Furthermore, we analyse existing planning methods and highlight the importance of bus coverage by D‐FACTS devices. To improve the detection effectiveness, we propose a novel graph theory–based planning algorithm to retain the maximum rank of the composite matrix while covering all necessary buses. Comparative results on multiple systems show the high detecting effectiveness of the proposed algorithm in both DC‐ and AC‐SE.

Research Organization:
Kansas State Univ., Manhattan, KS (United States)
Sponsoring Organization:
U.S. National Science Foundation; USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
Grant/Contract Number:
EE0008767
OSTI ID:
1782291
Report Number(s):
DOE-KSU-8767
Journal Information:
IET Cyber-Physical Systems: Theory & Applications, Journal Name: IET Cyber-Physical Systems: Theory & Applications Journal Issue: 3 Vol. 6; ISSN 2398-3396
Publisher:
Institution of Engineering and Technology (IET)Copyright Statement
Country of Publication:
United Kingdom
Language:
English

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