A Defense-in-depth Cybersecurity for Smart Substations

M. N. Dazahra, F. Elmariami, A. Belfqih, J. Boukherouaa

Abstract


The increase of cyber-attacks on industrial and power systems in the recent years make the cybersecurity of supervisory control and data acquisition and substation automation systemsa high important engineering issue. This paper proposes a defense in depth cybersecurity solution for smart substations in different layers of the substation automation system. In fact, it presents possible vulnerabilities in the substation automation system and propose a multiple layer solution based on best practice in cyber security such as the hardening ofdevices, whitelisting, network configuration, network segmentation, role-based account management and cyber security management and deployement.

Keywords


cybersecurity, defense in depth, IEC61850, smart substation, substation automation,

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DOI: http://doi.org/10.11591/ijece.v8i6.pp4423-4431
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