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Toward MLS database system with write downs
Author(s)
Chittayasothorn, Suphamit
Date Issued
December 1, 2010
Type
Conference Paper
Abstract
Multilevel secure (MLS) database systems are database systems that provide several clearance security levels for users. The clearance levels are attached to each attribute and also attached to tuples. According to current literatures, users whose clearance level is equal to or higher than the clearance level of the data items can read them. Users may write facts and the facts are then accessed by users whose clearance level is higher than or equal to the one who writes. These read and write properties are according to the classic simple security properties proposed by Bell and La Padula. At present, most MLS research works are based on the relational database model. This work intends to create an MLS database system for an intelligence organization. There are many user levels range from Top to Public. Top officers not only would like to see facts entered by lower-level officers but also would like to enter facts to users with different clearance levels under them. Thus write down operations must be allowed.
Citation
Proceedings of the 9th Wseas International Conference on Applied Computer and Applied Computational Science Acacos 10, 85-89, 2010