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Modeling Security of Power Communication Systems Using Defense Graphs and Influence Diagrams
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.ORCID iD: 0000-0003-3922-9606
KTH, School of Electrical Engineering (EES), Industrial Information and Control Systems.ORCID iD: 0000-0003-3014-5609
2009 (English)In: IEEE Transactions on Power Delivery, ISSN 0885-8977, E-ISSN 1937-4208, Vol. 24, no 4, 1801-1808 p.Article in journal (Refereed) Published
Abstract [en]

The purpose of this paper is to present a framework for assessing the security of wide-area networks(WANs) used to operate electrical power systems. The framework is based on the formalism influence diagrams and the concept of defense graphs and facilitates a so-called consequence-based analysis of the security problem. The framework is also capable of managing uncertainties, both related to the efficacy of countermeasures and the actual posture of the supervisory control and data-acquisition system. A model over WAN attacks and countermeasures and experiences from applying the framework are described.

Place, publisher, year, edition, pages
2009. Vol. 24, no 4, 1801-1808 p.
Keyword [en]
Communication system security, power system communication systems, supervisory control and data-acquisition (SCADA) systems
Identifiers
URN: urn:nbn:se:kth:diva-18794DOI: 10.1109/tpwrd.2009.2028796ISI: 000270139900006Scopus ID: 2-s2.0-70350284248OAI: oai:DiVA.org:kth-18794DiVA: diva2:336841
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Ekstedt, MathiasNordström, Lars

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