Vulnerability and interdependency of critical infrastructure: A review

As infrastructures play an key role in the normal operation of economy and society, more and more concerns are given to all aspects of the infrastructures, including construction processes, investment and fund-raising affairs, protection issues and so on. Nevertheless, critical infrastructure is of the first rank, it comprises of some fundamental infrastructures for daily production and living, so the vulnerability and interdependency of critical infrastructure systems (CIS) is a hot issue for exploration. This paper presents a comprehensive review of research literature on vulnerabilities and interdependencies of CISs from two aspects: (1) Interdependency identification and modeling; (2) Vulnerability identification and assessment. And the further research opportunities are considered.