Criticality based Optimal Cyber Defense Remediation in Energy Delivery Systems

Hasan, Kamrul and Shetty, Sachin and Ullah, Md. Sharif and Hassanzadeh, Amin and Islam, Tariqul (2021) Criticality based Optimal Cyber Defense Remediation in Energy Delivery Systems. EAI Endorsed Transactions on Security and Safety, 8 (28). e5. ISSN 2032-9393

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Abstract

A prioritized cyber defense remediation plan is critical for effective risk management in Energy Delivery System (EDS). Due to the complexity of EDS in terms of heterogeneous nature blending Information Technology (IT) and Operation Technology (OT) and Industrial Control System (ICS), scale and critical processes tasks, prioritized remediations should be applied gradually to protect critical assets. In this work, we propose a methodology for a prioritized cyber risk remediation plan by detecting and evaluating paths to critical nodes in EDS. We propose critical nodes characteristics evaluation based on nodes’ architectural positions, a measure of centrality based on nodes’ connectivity and frequency of network traffic, as well as the controlled amount of physical loads. The paper also examines the relationship between cost models of budget allocation for the removal of vulnerabilities on critical nodes and its impact on gradual readiness.

Item Type: Article
Uncontrolled Keywords: Cyber defense, Criticality, Energy Delivery Systems, Attack graph, Cost models
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
QA75 Electronic computers. Computer science
T Technology > T Technology (General)
Depositing User: EAI Editor IV
Date Deposited: 29 Sep 2021 12:52
Last Modified: 29 Sep 2021 12:52
URI: https://eprints.eudl.eu/id/eprint/7145

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