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Trust Based Interdependency Weighting for On-line Risk Monitoring in Interdependent Critical Infrastructures

dc.contributor.authorCaldeira, Filipe
dc.contributor.authorSchaberreiter, Thomas
dc.contributor.authorVarrette, Sébastien
dc.contributor.authorMonteiro, Edmundo
dc.contributor.authorSimoes, Paulo
dc.contributor.authorPascal, Bouvry
dc.contributor.authorKhadraoui, Djamel
dc.date.accessioned2014-12-01T16:22:31Z
dc.date.available2014-12-01T16:22:31Z
dc.date.issued2013
dc.description.abstractCritical infrastructure (CI) services are constantly consumed by the society and are not expected to fail. A common definition states that CIs are so vital to our society that a disruption would have a severe impact on both the society and the economy. CI sectors include, amongst others, electricity, telecommunication and transport. CIs can be mutually dependent on each others services and a failure in one of these elements can cascade to another (inter)dependent CI. CI security modelling was introduced in previous work to enable on-line risk monitoring in CIs that depend on each other by exchanging risk alerts expressed in terms of a breach of Confidentiality, a breach of Integrity and degrading Availability (C,I,A). While generally providing a solid basis for risk monitoring, there is no way of evaluating if a risk alert received from an external CI is accurate. In this paper we propose a solution to this problem by adding a trust based component to the CI security model in order to improve its accuracy and resilience to inconsistent or inaccurate risk alerts provided by (inter)dependent CIs, allowing to evaluate the correctness of the received alerts. The proposed approach is validated on a realistic scenario by evaluating a dependency between the computing and the telecommunication sectors in the context of the Grid'5000 platform.por
dc.identifier.doi10.4018/ijsse.2013100103
dc.identifier.urihttp://hdl.handle.net/10400.19/2390
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherKhaled M. Khanpor
dc.subjectCritical Infrastructurespor
dc.subjectICT securitypor
dc.subjectTrust and Reputation Managementpor
dc.titleTrust Based Interdependency Weighting for On-line Risk Monitoring in Interdependent Critical Infrastructurespor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage69por
oaire.citation.issue4por
oaire.citation.startPage47por
oaire.citation.titleInternational Journal of Secure Software Engineeringpor
oaire.citation.volume4por
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor

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