Title: A process-based dependency risk analysis methodology for Critical Infrastructures
Authors: STERGIOPOULOS GEORGEKOUKTZOGLOU VASILISTHEOCHARIDOU MARIANTHIGRITZALIS DIMITRIS
Citation: INTERNATIONAL JOURNAL OF CRITICAL INFRASTRUCTURES vol. 13 no. 2/3 p. 184-205
Publisher: INDERSCIENCE PUBLISHERS
Publication Year: 2017
JRC N°: JRC105790
ISSN: 1475-3219
URI: http://www.inderscience.com/info/inarticle.php?artid=88231
http://publications.jrc.ec.europa.eu/repository/handle/JRC105790
DOI: 10.1504/IJCIS.2017.10009258
Type: Articles in periodicals and books
Abstract: This paper applies research in dependency modelling to a process-based risk assessment methodology suitable for critical infrastructures. The proposed methodology dynamically assesses the evolution of cascading failures over time between assets involved in a business process of an infrastructure. This approach can be applied by a CI operator/owner to explore how a failure in a single component (asset) affects the other assets and relevant business processes. It could also be applied in an analysis that includes multiple CI operators in the same supply chain to explore the dependencies between their assets and explore how these affect the provision of key societal services. The paper presents a proof-of-concept tool, based on business-process risk assessment and graph modelling, and a realistic case example of a rail scheduling process. The approach allows risk assessors and decision makers to analyze and identify critical dependency chains and it can reveal underestimated risks due to dependencies.
JRC Directorate:Space, Security and Migration

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