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Title: Transparent Data Encryption for Data-in-Use and Data-at-Rest in a Cloud-Based Database-as-a-Service Solution
Authors: Sidorov, Vasily
Ng, Wee Keong
Keywords: Query processing
Relational databases
Issue Date: 2015
Source: Sidorov, V., & Ng, W. K. (2015). Transparent Data Encryption for Data-in-Use and Data-at-Rest in a Cloud-Based Database-as-a-Service Solution. 2015 IEEE World Congress on Services (SERVICES), 221-228.
Conference: 2015 IEEE World Congress on Services (SERVICES)
Abstract: With high and growing supply of Database-as-a-Service solutions from cloud platform vendors, many enterprises still show moderate to low demand for them. Even though migration to a DaaS solution might result in a significantly reduced bill for IT maintenance, data security and privacy issues are among the reasons of low popularity of these services. Such a migration is also often only justified if it could be done seamlessly, with as few changes to the system as possible. Transparent Data Encryption could help, but solutions for TDE shipped with major database systems are limited to securing only data-at-rest, and appear to be useless if the machine could be physically accessed by the adversary, which is a probable risk when hosting in the cloud. This paper proposes a different approach to TDE, which takes into account cloud-specific risks, extends encryption to cover data-in-use and partly data-in-motion, and is capable of executing large subsets of SQL including heavy relational operations, complex operations over attributes, and transactions.
DOI: 10.1109/SERVICES.2015.40
Schools: School of Computer Science and Engineering 
Rights: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Conference Papers

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