We present a refined model for Role Based Access Control policies and define a risk measure for the model, which expresses elements of the operational, combinatorial and conflict ...
Benjamin Aziz, Simon N. Foley, John Herbert, Garre...
Access control is one of the most fundamental and widely used security mechanisms. Access control mechanisms control which principals such as users or processes have access to whi...
Vincent C. Hu, Evan Martin, JeeHyun Hwang, Tao Xie
Large-Scale network such as the Internet consist of a large number of sub-networks. Since each subnetwork has management privileges and policies individually, it is difficult to r...
Kanghee Lee, Zhefan Jiang, Sangok Kim, Sangwook Ki...
The extensible access control markup language (XACML) is the standard access control policy specification language of the World Wide Web. XACML does not provide exclusive accesse...
In this paper we propose a formalization of access control policies based on term rewriting. The state of the system to which policies are enforced is represented as an algebraic ...