Patent ID: 7337229

Claim:
A method of providing authentication for a network-based transaction, the method comprising: presenting a first information set to a user through a first device accessible to the user, such first device being an Internet access device, the first information set being associated with the transaction and communicated to said first device over a first communication network; obtaining a second information set using authentication/authorization resources used in a second communication network, such second communication network being the public land mobile network (PLMN) which is separate from the first communication network; creating a coupling between the first information set and the second information set, wherein the second information set is also associated with the transaction; presenting the second information set to the user through a second device being a mobile terminal separate from the first device and requesting authorization of the transaction at the second device using the PLMN while the transaction is pending at the first device; and receiving authorization information for the transaction from the second device over the PLMN wherein in response to said authorization, providing said transaction to said user using said first device over said first communication network.