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  4. Improved multilevel security with latent semantic indexing
 
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2012
Journal Article
Title

Improved multilevel security with latent semantic indexing

Abstract
Multilevel security (MLS) is specifically created to protect information from unauthorized access. In MLS, documents are assigned to a security label by a trusted subject e.g. an authorized user and based on this assignment; the access to documents is allowed or denied. Using a large number of security labels lead to a complex administration in MLS based operating systems. This is because the manual assignment of documents to a large number of security labels by an authorized user is time-consuming and error-prone. Thus in practice, most MLS based operating systems use a small number of security labels. However, information that is normally processed in an organization consists of different sensitivities and belongs to different compartments. To depict this information in MLS, a large number of security labels is necessary. The aim of this paper is to show that the use of latent semantic indexing is successful in assigning textual information to security labels. This supports the authorized user by his manual assignment. It reduces complexity by the administration of a MLS based operating system and it enables the use of a large number of security labels. In future, the findings probably will lead to an increased usage of these MLS based operating systems in organizations.
Author(s)
Thorleuchter, Dirk  
Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT  
Poel, Dirk van den
Ghent University, Faculty of Economics and Business Administration
Journal
Expert Systems with Applications  
Open Access
File(s)
Download (269.08 KB)
DOI
10.24406/publica-r-229538
10.1016/j.eswa.2012.06.002
Language
English
Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT  
Keyword(s)
  • information security

  • text mining

  • data protection

  • decision support

  • multilevel security

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