Patent ID: 8677467

Claim:
A method for carrying out an authentication process for authenticating a transaction, comprising: operatively associating a Subscriber Identity Module (SIM) with a data processing apparatus, the SIM being registered with a cellular telecommunications network and including predetermined authentication information that is respectively associated with a subscription of a user with the cellular telecommunications network, the predetermined authentication information capable of being used for authenticating a telecommunications terminal that is respectively used in association with the subscription of the user to the cellular telecommunications network for conducting communications in the cellular telecommunications network; establishing a first communication session between the data processing apparatus and a security services part included within the cellular telecommunications network that stores a copy of the predetermined authentication information in a correspondence with the subscription of the user with the cellular telecommunications network; and authenticating, via the first communication session and using the SIM, a subsequent transaction to be conducted between the data processing apparatus and a third party service provider, and wherein the step of authenticating the transaction does not use the telecommunications terminal that is respectively associated with the subscription of the user with the cellular telecommunications network or require that the telecommunications terminal be authenticated for conducting communications in the cellular telecommunications network using the predetermined authentication information.