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ESORICS
2009
Springer
14 years 8 months ago
A Privacy Preservation Model for Facebook-Style Social Network Systems
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...
Philip W. L. Fong, Mohd M. Anwar, Zhen Zhao
ECOOP
2009
Springer
14 years 8 months ago
Fine-Grained Access Control with Object-Sensitive Roles
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...
SACMAT
2009
ACM
14 years 2 months ago
Towards formal security analysis of GTRBAC using timed automata
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...
Samrat Mondal, Shamik Sural, Vijayalakshmi Atluri
TISSEC
2010
121views more  TISSEC 2010»
13 years 5 months ago
Privacy-aware role-based access control
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...
Qun Ni, Elisa Bertino, Jorge Lobo, Carolyn Brodie,...
ARESEC
2011
145views more  ARESEC 2011»
12 years 7 months ago
An Attribute Based Framework for Risk-Adaptive Access Control Models
—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...