Weighted attack trees for the cybersecurity analysis of SCADA systems

Andrea Bobbio, Lavinia Egidi, Roberta Terruggia, Ester Ciancamerla, Michele Minichino

Risultato della ricerca: Contributo alla conferenzaContributo in Atti di Convegnopeer review

Abstract

In this paper we address the issue of security of SCADA systems; a topic of paramount importance because of the impact on physical security and very challenging because of the peculiarities that set SCADA systems aside from usual ICT networks. We apply the modeling technique based on structures called weighted Attack and Defense Trees (ADT) to a complex case study based on a typical SCADA architecture, in which the attack tree is enriched with the cost and the impact of the attack. We introduce a new analysis technique for weighted ADT based on the representation of the attack scenario by means of Multi- Terminal Binary Decision Diagrams (MTBDD) that allow the modeler to identify the most probable attack scenarios, in term of probability cost and impact, and gives an indication on how to mitigate the located breaches by means of suitable countermeasures. Copyright

Lingua originaleInglese
Pagine33-40
Numero di pagine8
Stato di pubblicazionePubblicato - 2013
Evento3rd International Defense and Homeland Security Simulation Workshop, DHSS 2013, Held at the International Multidisciplinary Modeling and Simulation Multiconference, I3M 2013 - Athens, Greece
Durata: 25 set 201327 set 2013

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???event.eventtypes.event.conference???3rd International Defense and Homeland Security Simulation Workshop, DHSS 2013, Held at the International Multidisciplinary Modeling and Simulation Multiconference, I3M 2013
Paese/TerritorioGreece
CittàAthens
Periodo25/09/1327/09/13

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