# Cyber security of smart-grid control systems : intrusion detection in IEC 61850 communication networks

Abstract : Information and Communication Technologies have been pervading Industrial Automation and Control Systems (IACS) for a few decades now. Initially, IACS ran proprietary protocols on closed networks, thus ensuring some level of security through obscurity and isolation. Technologies and usages have evolved and today this intrinsic security does not exist any longer, though. This transition is in progress in the electricity domain, the power infrastructure turning into the "smart grid".The IEC 61850 standard is key to the smart grid development. It is aimed at making interoperability possible in Communication networks and systems for power utility automation''. It thus defines a common data object model and a stack of protocols answering different purposes.Although the cyber risk in IACS is now widely acknowledged, IEC 61850 does not address cyber security in any way whatsoever.This work tackles the question of cyber security through network intrusion detection in IEC 61850 networks, and more specifically in real-time GOOSE communications. The idea is to get the most out of the protocol specifications and system configuration while developing a tailored NIDS. This enables detection accuracy.
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Submitted on : Monday, January 22, 2018 - 4:07:06 PM
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• HAL Id : tel-01609230, version 2

### Citation

Maëlle Kabir-Querrec. Cyber security of smart-grid control systems : intrusion detection in IEC 61850 communication networks. Automatic. Université Grenoble Alpes, 2017. English. ⟨NNT : 2017GREAT032⟩. ⟨tel-01609230v2⟩

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