Enhanced Grey Risk Assessment Model for Support of Cloud Service Provider
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Authors
Razaque, Abdul
Amsaad, Fathi
Hariri, Salim
Almasri, Marwah
Rizvi, Syed S.
Ben Haj Frej, Mohamed
Issue Date
2020-04-13
Type
Article
Language
en_US
Keywords
Analytic hierarchy process , Cloud service provider , Deviation reduction , Grey model , Risk assessment
Alternative Title
Abstract
The cloud computing environment provides easy-to-access service for private and confidential data. However, there are many threats to the leakage of private data. This paper focuses on investigating the vulnerabilities of cloud service providers (CSPs) from three risk aspects: management risks, law risks, and technology risks. Additionally, this paper presents a risk assessment model that is based on grey system theory (GST), defines indicators for assessment, and fully utilizes the analytic hierarchy process (AHP). Furthermore, we use the GST to predict the risk values by using the MATLAB platform. The GST determines the bottom evaluation sequence, while the AHP calculates the index weights. Based on the GST and the AHP, layer-based assessment values are determined for the bottom evaluation sequence and the index weights. The combination of AHP and GST aims to obtain systematic and structured well-defined procedures that are based on step-by-step processes. The AHP and GST methods are applied successfully to handle any risk assessment problem of the CSP. Furthermore, substantial challenges are encountered in determining the CSP’s response time and identifying the most suitable solution out of a specified series of solutions. This issue has been handled using two additive features: the response time and the grey incidence. The final risk values are calculated and can be used for prediction by utilizing the enhanced grey model (EGM) (1,1), which reduces the prediction error by providing direct forecast to avoid the iterative prediction shortcoming of standard GM (1,1). Thus, EGM (1,1) helps maintain the reliability on a larger scale despite utilizing more prediction periods. Based on the experimental results, we evaluate the validity, accuracy, and response time of the proposed approach. The simulation experiments were conducted to validate the suitability of the proposed model. The simulation results demonstrate that our risk assessment model contributes to reducing deviation to support CSPs with the three adopted models.
Description
Citation
A. Razaque, F. Amsaad, S. Hariri, M. Almasri, S. S. Rizvi and M. B. H. Frej, "Enhanced Grey Risk Assessment Model for Support of Cloud Service Provider," in IEEE Access, vol. 8, pp. 80812-80826, 2020, doi: 10.1109/ACCESS.2020.2987735.
Publisher
IEEE