Game-theoretical Model for Dynamic Defense Resource Allocation in Cyber-physical Power Systems Under Distributed Denial of Service Attacks

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外文摘要：Electric power grids are evolving into complex cy-ber-physical power systems(CPPSs)that integrate advanced in-formation and communication technologies(ICTs)but face in-creasing cyberspace threats and attacks.This study considers CPPS cyberspace security under distributed denial of service(DDoS)attacks and proposes a nonzero-sum game-theoretical model with incomplete information for appropriate allocation of defense resources based on the availability of limited resourc-es.Task time delay is applied to quantify the expected utility as CPPSs have high time requirements and incur massive damage DDoS attacks.Different resource allocation strategies are adopt-ed by attackers and defenders under the three cases of attack-free,failed attack,and successful attack,which lead to a corre-sponding consumption of resources.A multidimensional node value analysis is designed to introduce physical and cybersecuri-ty indices.Simulation experiments and numerical results dem-onstrate the effectiveness of the proposed model for the appro-priate allocation of defense resources in CPPSs under limited re-source availability.

外文关键词：

Game theorycomplex cyber-physical power system(CPPS)multidimensional evaluationdistributed denial of service(DDoS)attack

作者：

Bingjing Yan、Pengchao Yao、Tao Yang、Boyang Zhou、Qiang Yang

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作者单位：

Col-lege of Electrical Engineering,Zhejiang University,Hangzhou 310027,China

Zhejiang Lab,Hangzhou 311100,China

基金：

the"Pioneer"and"Leading Goose"R&D Program of ZhejiangNational Natural Science Foundation of ChinaFundamental Research Funds for the Central Universities(Zhejiang University NGICS Platform)

项目编号：

2022C0123952177119

出版年：

2024

DOI：

10.35833/MPCE.2022.000524

现代电力系统与清洁能源学报(英文版)

ISSN：

年,卷(期)：2024.12(1)

参考文献量51