Security Considerations for Virtual Platform Provisioning

Aslam, Mudassar and Gehrmann, Christian (2011) Security Considerations for Virtual Platform Provisioning. In: European Conference on Information Warfare and Security ECIW-2011, 7-8 July 2011, Tallin, Estonia. (In Press)

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The concept of virtualization is not new but leveraging virtualization in different modes and at different layers has revolutionized its usage scenarios. Virtualization can be applied at application layer to create sandbox environment, operating system layer to virtualize shared system resources (e.g. memory, CPU), at platform level or in any other useful possible hybrid scheme. When virtualization is applied at platform level, the resulting virtualized platform can run multiple virtual machines as if they were physically separated real machines. Provisioning virtualized platforms in this way is often also referred to as Infrastructure-as-a-Service or Platform-as-a-Service when full hosting and application support is also offered. Different business models, like datacenters or telecommunication providers and operators, can get business benefits by using platform virtualization due to the possibility of increased resource utilization and reduced upfront infrastructure setup expenditures. This opportunity comes together with new security issues. An organization that runs services in form of virtual machine images on an offered platform needs security guarantees. In short, it wants evidence that the platforms it utilizes are trustworthy and that sensitive information is protected. Even if this sounds natural and straight forward, few attempts have been made to analyze in details what these expectations means from a security technology perspective in a realistic deployment scenario. In this paper we present a telecommunication virtualized platform provisioning scenario with two major stakeholders, the operator who utilizes virtualized telecommunication platform resources and the service provider, who offers such resources to operators. We make threats analysis for this scenario and derive major security requirements from the different stakeholders’ perspectives. Through investigating a particular virtual machine provisioning use case, we take the first steps towards a better understanding of the major security obstacles with respect to platform service offerings. The last couple of years we have seen increased activities around security for clouds regarding different usage and business models. We contribute to this important area through a thorough security analysis of a concrete deployment scenario. Finally, we use the security requirements derived through the analysis to make a comparison with contemporary related research and to identify future research challenges in the area.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:security; trust; virtualization; virtual private server; telecommunication networks, clouds
ID Code:4168
Deposited By:Mudassar Aslam
Deposited On:28 Jul 2011 14:36
Last Modified:14 Jul 2016 15:25

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