Systems, methods and apparatus for providing single sign on across a plurality of resources is disclosed. An exemplary method includes receiving a request from a user to access a particular one of the plurality of resources; establishing an SSO session for the user if an SSO session has not been established; determining if the user has been authenticated to the particular resource, and if not, retrieving credentials for the user that are specific to the resource; presenting the credentials to the resource so as to create a session with the resource; and presenting a user interface for a customer to configure which of the plurality of resources can be accessed by users.