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Mobile users present challenges for security in multi-domain mobile networks. The actions of mobile users moving across security domains need to be specified and checked against domain and inter-domain policies. We propose a new formal security policy model for multi-domain mobile networks, called FPM-RBAC, Formal Policy Model for Mobility with Role Based Access Control. FPM-RBAC supports the specification...
One of the key challenges for ad hoc networks is providing distributed membership control. This paper introduces a self-organized mechanism to control user access to ad hoc networks without requiring any infrastructure or a central administration entity. Our mechanism authenticates and monitors nodes with a structure that we call controller set, which is robust to the dynamic network membership. We...
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