Authentication and Authorization User Management within a Collaborative Community

Enterprise Identity Management (IDM) systems promise users to be equipped with a single enterprise identity and administrators with better users management environment. That increases security, provides the organizations with value-added data and money saving in user management. In fact, in order to do collaboration among independent organizations, each participant must first have a working IDM installment. This work discusses improvement of user management in networked systems. Group-role relations are used to facilitate users with an access control and permissions to different resources. Key–Words: Enterprise identity management, security