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Defining a Cyber Resilience Investment Strategy in an Industrial Internet of Things Context

Industrial Management Engineering Department, School of Engineering, TECNUN, University of Navarra, Paseo Manuel de Lardizábal, 13. 20018. San Sebastián, Spain
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This manuscript is an extended version of the conference paper: Carias, J.F.; Labaka, L.; Sarriegi, J.M.; Hernantes, J. An Approach to the Modeling of Cyber Resilience Management. In Proceedings of the 2018 Global Internet of Things Summit (GIoTS), Bilbao, Spain, 4–7 June 2018.
Sensors 2019, 19(1), 138; https://doi.org/10.3390/s19010138
Received: 29 November 2018 / Revised: 17 December 2018 / Accepted: 26 December 2018 / Published: 3 January 2019
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Abstract

The fourth industrial revolution has brought several risks to factories along with its plethora of benefits. The convergence of new technologies, legacy technologies, information technologies and operational technologies in the same network generates a wide attack surface. At the same time, factories need continuous production to meet their customers’ demand, so any stopped production can have harsh effects on a factory’s economy. This makes cyber resilience a key requirement in factories nowadays. However, it is difficult for managers to define effective cyber resilience strategies, especially considering the difficulty of estimating adequate investment in cyber resilience policies before the company has suffered cyber incidents. In this sense, the purpose of this article is to define and model an effective cyber resilience strategy. To achieve this, the system dynamics methodology was followed in order to get five experts’ opinions on the best strategy to invest in cyber resilience. Interviews were conducted with these experts; their reasoning was put into behavior over time graphs and a system dynamics model was built from these findings. The main conclusion is that a cyber resilience investment strategy should be dynamic, investing in both technical security and personnel training, but at first with an emphasis on technical security and later shifting to have an emphasis on training. View Full-Text
Keywords: cyber resilience; IoT (Internet of Things); IIoT (Industrial Internet of Things); IT-OT (Information Technology-Operational Technology) convergence; investment policies; system dynamics cyber resilience; IoT (Internet of Things); IIoT (Industrial Internet of Things); IT-OT (Information Technology-Operational Technology) convergence; investment policies; system dynamics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Carías, J.F.; Labaka, L.; Sarriegi, J.M.; Hernantes, J. Defining a Cyber Resilience Investment Strategy in an Industrial Internet of Things Context. Sensors 2019, 19, 138.

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