http://www.cnr.it/ontology/cnr/individuo/prodotto/ID83613

Using CP-nets as a guide for countermeasure selection (Contributo in atti di convegno)

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Using CP-nets as a guide for countermeasure selection (Contributo in atti di convegno) (literal)

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[1] Bistarelli S., [2] Fioravanti F., [2] Peretti P. (2007)
Using CP-nets as a guide for countermeasure selection
in 22nd ACM Symposium on Applied Computing (SAC '07), Seoul, South Korea, 11-15 March 2007
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[1] CNR-IIT, Pisa, Italy; [2] Università \"G.d'Annunzio\", Pescara, Italy (literal)

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Abstract

In this paper we present a qualitative approach for the selec- tion of security countermeasures able to protect an IT system from attacks. For this purpose, we model security sce- narios by using defense trees (an extension of attack trees) and preferences over countermeasure using Conditional Pref- erence networks (CP-nets for short). In particular, we in- troduce two different methods for the composition of pref- erences: the and-composition and the or-composition. The first one is used to determine a preference order in the selec- tion of countermeasures able to mitigate the risks produced by conjunct attacks. The second one is used to determine a preference order over sets of countermeasures able to miti- gate the risks produced by alternative attacks. (literal)

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