Patent ID: 8881247

Claim:
A computer-implemented security method, the method comprising acts of: receiving by an application a request from a mobile client that is a subscriber of a network operator infrastructure, the application is external to the network operator infrastructure; checking that the request is associated with a network operator based on network operator information that includes a range of network addresses; redirecting the request to a network operator security token service of the network operator infrastructure that has an identity federation and an established trust with the application based on the network operator information; mapping the request to a subscriber identity for the mobile client using a network operator identity service of the network operator infrastructure; providing proof of authentication and the request from the network operator identity service to the mobile client, which presents the proof to the application; providing the subscriber identity of the mobile client to the application; allowing access to the application by the mobile client; and configuring at least one processor to perform the acts of receiving, checking, redirecting, mapping, and providing.