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In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
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A Risk Analysis Framework for Cyber Security and Critical Infrastructure Protection of the U.S. Electric Power Grid.

Sean S Baggott1, Joost R Santos1

  • 1Department of Engineering Management and Systems Engineering, The George Washington University, Washington, DC, USA.

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This study introduces a cyber security risk analysis framework to protect the U.S. electric power grid. It addresses vulnerabilities to cyber-attacks, enhancing national critical infrastructure protection.

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Area of Science:

  • Electrical Engineering
  • Cyber Security
  • Risk Management

Background:

  • Current research on electric power grid resilience primarily focuses on natural disaster recovery.
  • There is a significant gap in studies addressing cyber-attack vulnerabilities and mitigation strategies for the U.S. electric power grid.
  • Limited focus on cyber threats leaves critical infrastructure susceptible to domestic and foreign adversaries.

Purpose of the Study:

  • To introduce a novel risk analysis framework tailored for the U.S. electric power grid's cyber security.
  • To advance the discourse on risk assessment and management within the context of critical infrastructure protection.
  • To highlight the necessity of a coordinated U.S. cyber security strategy against evolving threats.

Main Methods:

  • Literature review of existing risk assessment and management studies related to the electric power grid.
  • Development of a comprehensive risk-based framework specifically for cyber security enhancement.
  • Analysis of cyber-attack scenarios and their potential impact on critical infrastructure.

Main Results:

  • Identified a critical gap in research concerning the vulnerability of the electric power grid to cyber-attacks.
  • Proposed a framework to systematically analyze and manage cyber security risks.
  • Emphasized the inadequacy of current approaches in addressing sophisticated cyber threats.

Conclusions:

  • A coordinated, U.S. cyber security effort is essential for protecting the electric power grid.
  • The proposed framework provides a foundation for developing effective prevention and mitigation strategies.
  • Enhanced cyber security measures are crucial to safeguard national critical infrastructure against cyber-attacks.