Maintaining the confidentiality of interoperable databases with a multilevel federated security system

  • Authors:
  • Marta Oliva;Fèlix Saltor

  • Affiliations:
  • Dept. Informàtica i Enginyeria Industrial, Universitat de Lleida, C. Jaume II, 69, E-25001, Lleida (Catalonia);Dept. Llenguatges i Sistemes Informàtics, Universitat Politècnica de Catalunya, Campus Nord-Mòdul C5, Jordi Girona Salgado, 1-3, E-08034 Barcelona (Catalonia)

  • Venue:
  • Das'01 Proceedings of the fifteenth annual working conference on Database and application security
  • Year:
  • 2001

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Abstract

When several databases with multilevel security policies are federated to form a tightly coupled federated database management system, heterogeneities such as different accreditation ranges must be overcome. This paper describes an extended methodology to integrate policies that use different lattices as accreditation ranges. A semi-automatic process obtains the federated accreditation range and needed translation functions among accreditation ranges in order to be validated by the security administrator.