Cloud Adoption in Enterprises: Security Issues and Strategies

Cloud Adoption in Enterprises: Security Issues and Strategies

Ramanathan Venkatraman (National University of Singapore, Singapore) and Sitalakshmi Venkatraman (NMIT, Australia)
DOI: 10.4018/978-1-4666-6623-8.ch005
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This chapter proposes a security and migration framework with business strategic implementation guidelines for successfully adopting cloud services, namely Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS) in contemporary organisations. As a foundation to achieve this, the authors give emphasis to the importance of considering the security, privacy, and governance issues related to cloud implementations, along with the possible benefits of adopting cloud services in businesses. They discuss the various types of cloud, their deployment models, and service levels as these form the basis for strategically planning the security and migration framework implementation of cloud in an organization. In addition, the authors provide a step-wise security and migration framework that could serve as a business strategic guideline for a successful cloud service adoption in enterprises.
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With the recent advancements in cloud computing, cloud services are being offered by numerous small, medium and large companies from the information technology (IT) sector. This has raised much interest among researchers and consumers from information systems (IS) adoption viewpoint. Recent cloud developments and marketing drive have triggered eagerness on the part of organizations to move their operations into the cloud platform. Similar to energy and water utilities, cloud computing is aimed to provide on-demand computing services with cost-savings through 'pay-as-you-go' pricing models that are flexible and scalable based on an organization’s IT service requirements that keep dynamically changing from time to time. However, there are many security and privacy risks associated with the multi-faceted dimensions of cloud computing that require clear understanding and business strategic planning before jumping into the cloud.

The recently escalating concerns related to privacy, security, as well as control and governance of the cloud have demanded the need for establishing convincing guidelines to address the current cloud computing risks. These concerns seem to slow down the cloud adoption as compared to the market projections of a high expected growth. There is lack of comprehensive strategic framework or specific guidelines that could serve all its key players in having an integrated understanding of their security requirements for cloud adoption in enterprises. While there is growing maturity in terms of cloud computing capabilities and service provider offerings, there is comparatively less work studying the complexities and risks of the cloud that impede on its adoption. Hence, the main aim of this chapter is to explore the various facets of cloud computing dimensions and propose a security and migration framework with business strategic guidelines for the key players, namely, cloud service providers, cloud architects and consumers. We provide a comprehensive set of step-wise guidelines along with the key cloud players' roles and responsibilities in providing a security and migration framework that would benefit cloud adoption in enterprises.

This chapter gives emphasis to the risks and benefits that form two sides of a coin of cloud computing and provides the reader with deep insights into the main types of cloud services along with a security and migration framework that serves as a business strategy for successful cloud implementations. While the chapter does not serve to be a complete reference for security implementations in the cloud, the main objective here is to identify the security and privacy risks involved in cloud service levels and the need for a security and migration framework for a strategic cloud adoption in enterprises.

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