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Converter-Based Moving Target Defense Against Deception Attacks in DC Microgrids by Mengxiang Liu; Chengcheng Zhao; Zhenyong Zhang; Ruilong Deng; Peng Cheng; Jiming Chen is a Engineering article available to read on EtoBox.

What is Converter-Based Moving Target Defense Against Deception Attacks in DC Microgrids about?

With the rapid development of information and communications technology in DC microgrids (DCmGs), the deception attacks, which typically include false data injection and replay attacks, have been widely recognized as a significant threat. However, existing literature ignores the possibility of the intelligent attacker, who could launch deception attacks once obtaining necessary information by exploiting zero-day vulnerabilities or bribing insiders, to affect the system in an unforeseeable manner. In this paper, based on the observation that the primary control law of the power converter device in DCmGs is usually programmable, we propose a novel converterbased moving target defense (CMTD) strategy by proactively perturbing the primary control gains to defend against deception attacks. First, we study the impact of perturbing the primary control gains on the voltage stability in DCmGs and provide explicit conditions for the perturbation magnitude and frequency under which the voltage stability can be ensured. Then, we investigate the improved detectability against deception attacks under CMTD and present sufficient conditions under which these attacks can be detected. Finally, we co

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Author

Mengxiang Liu; Chengcheng Zhao; Zhenyong Zhang; Ruilong Deng; Peng Cheng; Jiming Chen

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

2022

Language

EN

Field

Engineering (Physical Sciences)