VAC: A Software Approach to Resilient SCADA Automation

Jordan Johnson, Brian Weber, Jared Smith, Chris Hathhorn, Philip Irminger, Savannah Norem, Jennifer Guerra, Joel Dawson, Tyler McDaniel

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To better secure critical infrastructure, especially power systems, this paper introduces a virtual SCADA automation controller. The automation controller is a gateway into a power subsystem, making it a valuable target for cyber-attacks that could cut it off from the control center and cause a loss of view and control. To prevent this, the Virtual Automation Controller (VAC) is a backup device that mirrors the capabilities of the physical controller. It can communicate via Modbus and DNP3 and is containerized so it can be deployed on a variety of platforms. Furthermore, it utilizes software-defined networking to quickly disconnect a failed automation controller and preserve its state for forensics. The VAC gives system operators time to replace the failed controller and prevents dangerous and costly damage to power systems. The VAC is compared against the SEL 3505-3 RTAC and shown to have the necessary features to act as a failover controller.

Original languageEnglish
Title of host publication2022 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665437752
DOIs
StatePublished - 2022
Event2022 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2022 - New Orleans, United States
Duration: Apr 24 2022Apr 28 2022

Publication series

Name2022 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2022

Conference

Conference2022 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2022
Country/TerritoryUnited States
CityNew Orleans
Period04/24/2204/28/22

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

Keywords

  • SCADA systems
  • cyber-physical systems
  • digital twin
  • security
  • software defined networking
  • substation protection

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