Abstract. Recent years have seen unprecedented growth in the popularity of social network systems, with Facebook being an archetypical example. The access control paradigm behind t...
Role-based access control (RBAC) is a common paradigm to ensure that users have sufficient rights to perform various system operations. In many cases though, traditional RBAC does ...
Jeffrey Fischer, Daniel Marino, Rupak Majumdar, To...
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
Privacy has been acknowledged to be a critical requirement for many business (and non-business) environments. Therefore, the definition of an expressive and easy-to-use privacyre...
—The concept of risk-based adaptive access control (RAdAC, pronounced Raid-ack) has been recently introduced in the literature. It seeks to automatically (or semi-automatically) ...
Savith Kandala, Ravi S. Sandhu, Venkata Bhamidipat...