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Use of Blockchain Mechanisms in PLC Control and Safety Critical Processes

Author

Listed:
  • Horváth Dušan
  • Strémy Maximilián

    (Slovak University Of Technology In Bratislava, Faculty Of Materials Science And Technology In Trnava Advanced Technologies Research Institute, Ulica Jána Bottu Č. 2781/25, 917 24Trnava)

Abstract

In a few past years, a lot of cyber-attacks on industrial systems were accomplished. The main point of vulnerability of industrial control systems (ICS) is their connection to the Internet. Standard ICS rely on local solutions; however, with the revolution in the shape of Industry 4.0 concept, there are only a few industrial sectors with no connection to the global network. Some researchers have revealed critical vulnerability of the control systems. In this paper, we briefly summarize the current situation, and introduce our solution to the check of changes in PLC via other nodes in industrial network. The way how to do it is possible through using a checksum of actual code, and comparing with the checksums stored in other nodes.

Suggested Citation

  • Horváth Dušan & Strémy Maximilián, 2021. "Use of Blockchain Mechanisms in PLC Control and Safety Critical Processes," Research Papers Faculty of Materials Science and Technology Slovak University of Technology, Sciendo, vol. 29(49), pages 1-6, September.
    • Handle: RePEc:vrs:repfms:v:29:y:2021:i:49:p:1-6:n:9
    DOI: 10.2478/rput-2021-0018
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