Importance

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Abstract

Techniques for reorganizing security levels without implicating accessibility to secured files classified in accordance to one of the security levels are disclosed. In a case of adding a new security level, the controllability or restrictiveness of the new security level is determined with respect to the most restrictive security level or the least security level in a set of existing security levels. A set of proper security parameters are then generated for the new security level and subsequently the existing security levels are reorganized to accommodate the new security level. In a case of removing a security level from the existing security levels, the security parameters for the security level to be deleted are either folded up or down to an immediate next security level, depending on implementation. As a result, the security parameters for the immediate next security level are updated to include those for the security level to be deleted such that the secured files classified at the security level to be deleted can still be accessed by those with proper clearance levels.

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First Claim