Protection in operating systems
Communications of the ACM
Proposed NIST standard for role-based access control
ACM Transactions on Information and System Security (TISSEC)
A logic-based framework for attribute based access control
Proceedings of the 2004 ACM workshop on Formal methods in security engineering
PERMIS: a modular authorization infrastructure
Concurrency and Computation: Practice & Experience - UK e-Science All Hands Meeting 2006
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The concept of the Virtual Organisation (VO) is a natural outcome of network evolution and the growth of collaborative work tools. In the projects Value Improvement thought a Virtual Aeronautical Collaborative Enterprise (VIVACE) and Transglobal Secure Collaboration Program (TSCP), we studied the different issues when setting VOs up. In this paper, we expose the requirements and characteristics of VOs through a use case where the partners produce a technical aeronautic specification, which was proposed by those consortiums. Then, we present a secured collaborative environment that we have deployed to deal with VO security constraints. It combines attribute-based access control models, privileges management infrastructure and identity federation to make VOs more dynamic.