A Functional All‐Hazard Approach to Critical Infrastructure Dependency Analysis

Ryan Hruska, Kent McGillivary and Robert Edsall

Journal of Critical Infrastructure Policy, 2021, vol. 2, issue 2, 103-123

Abstract: The critical infrastructures protection landscape is a vast and varied pattern of independent, but interconnected infrastructure systems that are essential to the function of our modern society. The U.S. policy on critical infrastructure protection has been continually evolving since the “President's Commission on Critical Infrastructure Protection” was published in 1997. In response to these policies, federal, state, and local governments, along with research institutions, have invested a substantial amount of time and effort into identifying and analyzing critical infrastructure, their functions, and dependencies/interdependencies to better understand their vulnerabilities. To date, the ability to assess vulnerabilities, resiliency, and priorities for protecting interdependent critical infrastructure systems from an all‐hazards perspective remains a difficult problem. In this paper we introduce the All‐Hazards Analysis (AHA) methodology, which provides an integrated functional basis across infrastructure systems, through the implementation of a common language and a scalable level of decomposition to effectively evaluate the resilience of interconnected infrastructure systems. AHA models infrastructure systems as directed multidimensional graphs, which enable the evaluation of cross‐sector interdependencies prior to, during, and after disruptive events. Finally, and by design, AHA enables the cross linking of data taxonomies to enable more effective data sharing, such as the National Critical Functions (NCF) and Infrastructure Data Taxonomy (IDT).

Date: 2021
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https://doi.org/10.18278/jcip.2.2.6

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Persistent link: https://EconPapers.repec.org/RePEc:wly:crtinf:v:2:y:2021:i:2:p:103-123

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