Journal
COMPUTER JOURNAL
Volume 61, Issue 9, Pages 1389-1406Publisher
OXFORD UNIV PRESS
DOI: 10.1093/comjnl/bxy002
Keywords
critical infrastructure systems; security risk assessment; infrastructure interdependency; cyberattack; industrial control systems; downstream energy sector
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Recent cyberattacks on critical infrastructure systems coupled with the technology-induced complexity of the system of systems have necessitated a review of existing methods of assessing critical systems security risk exposure. The question is; do existing security risk assessment methods adequately address the threats of modern critical infrastructure systems? Having examined six existing assessment frameworks, we argue, the complexities associated with modern critical infrastructure systems make existing methods insufficient to assess systems security risks exposure. From systems dynamics perspectives, this paper proposes a dynamic modelling approach as an alternative.
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