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Security principles, like least privilege, are among the resources in the security body of knowledge that survived the test of time. The implementation of these principles in a software architecture is difficult, as there are no systematic rules on how to apply them in practice. As a result, they are often neglected, which lowers the overall security level of the software system and increases the...
Today's de facto standard for assigning trust, involving X.509 proxy credentials and virtual organizations, is analyzed and found to present a number of problems. A model is proposed which is simpler and has less inherent security risks while still providing the functionality needed by current grid applications.
It is impractical to use traditional access control mechanisms to design a digital content access control mechanism for an organization since even a role-based access control mechanism only guarantees that it can be flexibly applied to the determined access policy for various roles in an organization. It cannot allow users to flexibly define various access rights for different digital contents for...
The use of roles in identity management infrastructures (IdMI) has proven to be a solution for reorganising and securing access structures of employees. The definition of enterprise-wide roles is one of the most challenging and costly tasks during role development projects. It needs to be carried out on the basis of a predefined role development methodology (RDM). In this paper we present existing...
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