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J. Risk Financial Manag. 2017, 10(4), 20; https://doi.org/10.3390/jrfm10040020

A Risk Management Approach for a Sustainable Cloud Migration

1
National Audit Department, Persiaran Timur 3, 71760 Bandar Baru Enstek, Negeri Sembilan, Malaysia
2
School of Architecture, Computing and Engineering, University of East London, London E16 2RD, UK
3
Department of Information and Communication Systems Engineering, University of the Aegean, Mytilene 81100, Greece
*
Authors to whom correspondence should be addressed.
Received: 26 September 2017 / Revised: 27 October 2017 / Accepted: 30 October 2017 / Published: 9 November 2017
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Abstract

Cloud computing is not just about resource sharing, cost savings and optimisation of business performance; it also involves fundamental concerns on how businesses need to respond on the risks and challenges upon migration. Managing risks is critical for a sustainable cloud adoption. It includes several dimensions such as cost, practising the concept of green IT, data quality, continuity of services to users and clients, guarantee tangible benefits. This paper presents a risk management approach for a sustainable cloud migration. We consider four dimensions of sustainability, i.e., economic, environmental, social and technology to determine the viability of cloud for the business context. The risks are systematically identified and analysed based on the existing in house controls and the cloud service provider offerings. We use Dempster Shafer (D-S) theory to measure the adequacy of controls and apply semi-quantitative approach to perform risk analysis based on the theory of belief. The risk exposure for each sustainability dimension allows us to determine the viability of cloud migration. A practical migration use case is considered to determine the applicability of our work. The results identify the risk exposure and recommended control for the risk mitigation. We conclude that risks depend on specific migration case and both Cloud Service Provider (CSP) and users are responsible for the risk mitigation. Inherent risks can evolve due to the cloud migration. View Full-Text
Keywords: sustainability; cloud migration; risk analysis; degree of belief; risk exposure; and Dempster-Shafer (D-S) theory sustainability; cloud migration; risk analysis; degree of belief; risk exposure; and Dempster-Shafer (D-S) theory
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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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Abdul Rahman, A.A.L.; Islam, S.; Kalloniatis, C.; Gritzalis, S. A Risk Management Approach for a Sustainable Cloud Migration. J. Risk Financial Manag. 2017, 10, 20.

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J. Risk Financial Manag. EISSN 1911-8074 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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