Mitigating Cyber Supply Chain Risks in Cyber Physical Systems Organizational Landscape

Abel Yeboah-Ofori, Daniel Opoku-Akyea
<span title="">2019</span> <i title="IEEE"> 2019 International Conference on Cyber Security and Internet of Things (ICSIoT) </i> &nbsp;
Cyber supply chain (CSC) provide an organization with the ability to align its business processes, information flows and data structures with other organization. However, the increase interdependencies have brought about inherent, threats, risks, attacks and vulnerabilities that adversaries may be able to exploit when not properly mitigated. Additionally, every cyberattack on each organization increases the probability of the risk cascading to others. The CSC risk has increased exponentially
more &raquo; ... to uncertainties surrounding cyberattacks and the cyber threat landscape. Recent CSC threats have been disruptive and impacting on the smooth flow of delivery of products and services. CSC risk has been observed as one of the areas that impact greatly and causes budget overruns. The aim of this paper is to mitigate CSC risks in an organizational landscape. In particular, the paper identifies supply inbound and outbound chain threat landscape using a risk breakdown structure. Further, we assess the risk to gather cyber threat intelligence. Furthermore, we use the probability distribution method to determine the CSC risks and analyze the risk probabilities and likelihood of risk cascading impact. Our results show that CSC risk can be neutralized using probability distribution methods to detect and mitigate the risks and their impact levels.
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