Benchmarking cloud security level agreements using quantitative policy trees

Luna, J. and Langenberg, R. and Suri, Neeraj (2012) Benchmarking cloud security level agreements using quantitative policy trees. In: Proceedings of the 2012 ACM Workshop on Cloud computing security workshop. ACM, pp. 103-112. ISBN 9781450316651

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Abstract

While the many economic and technological advantages of Cloud computing are apparent, the migration of key sector applications onto it has been limited, in part, due to the lack of security assurance on the Cloud Service Provider CSP). However, the recent efforts on specification of security statements in Service Level Agreements, also known as "Security Level Agreements" or SecLAs is a positive development. While a consistent notion of Cloud SecLAs is still developing, already some major CSPs are creating and storing their advocated SecLAs in publicly available repositories e.g., the Cloud Security Alliance's "Security, Trust & Assurance Registry" CSA STAR). While several academic and industrial efforts are developing the methods to build and specify Cloud SecLAs, very few works deal with the techniques to quantitatively reason about SecLAs in order to provide security assurance. This paper proposes a method to benchmark-both quantitatively and qualitatively-the Cloud SecLAs of one or more CSPs with respect to a user-defined requirement, also in the form of a SecLA. The contributed security benchmark methodology rests on the notion of Quantitative Policy Trees QPT a data structure that we propose to represent and systematically reason about SecLAs. In this paper we perform the initial validation of the contributed methodology with respect to another state of the art proposal, which in turn was empirically validated using the SecLAs stored on the CSA STAR repository. Finally, our research also contributes with QUANTS-as-a- Service QUANTSaaS a system that implements the proposed.

Item Type:
Contribution in Book/Report/Proceedings
Subjects:
ID Code:
137532
Deposited By:
Deposited On:
14 Oct 2019 13:46
Refereed?:
Yes
Published?:
Published
Last Modified:
05 Aug 2020 10:19