Dynamic access control administration for collaborative applications

Authors:
Andreas Mattas;Ioannis Mavridis;Christos Ilioudis;Ioannis Pagkalos
Affiliations:
Informatics Laboratory, Faculty of Technology, Aristotle University, Thessaloniki, Greece;Department of Applied Informatics, University of Macedonia, Thessaloniki, Greece;Informatics Laboratory, Faculty of Technology, Aristotle University, Thessaloniki, Greece;Informatics Laboratory, Faculty of Technology, Aristotle University, Thessaloniki, Greece
Venue:
ICCOMP'06 Proceedings of the 10th WSEAS international conference on Computers
Year:
2006

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Abstract

Today's web-based collaborative applications need new approaches to overcome the shortcomings of classical access control. The limitations on administrative aspects of the existing security models and the requirements for more efficient management of authorizations in order to provide fine-grained and just-in-time access control for collaborative applications are discussed in this paper. The proposed DARBAC (Dynamically Administering Role Based Access Control) model provides a new approach for the administration of access control in such environments, where often the security breaks. The DARBAC model provides fine-grained and dynamic administration of authorizations in RBAC-based access control for a wide-range of collaborative applications, usually set-up in Web-based environments. An experimental implementation of the DARBAC model confirmed a number of benefits related to the administration of RBAC in collaborative environments.