Patent ID: 8719905

Claim:
A method of authenticating a user of a mobile communication device, comprising: directing, by a first program executing on the mobile communication device, transmission, from the mobile communication device to a security server, of a request for authentication of the user in connection with either (i) the user logging into or (ii) the user entering into a transaction with a network site; receiving, by a second program executing on the mobile communication device, the request for authentication from the security server; directing, by the second program, presentation by the mobile communication device of the received request for authentication to the user; receiving, by the second program, a user input to the mobile communication device indicating that the requested authentication should proceed; directing, by the second program in response to the received user input, transmission, from the mobile communication device to the security server, of an indication that the requested authorization should proceed; receiving, by the second program from the security server, a personal identification number (PIN), in response to the transmission of the indication that the requested authorization should proceed; and directing, by the first program, transmission, from the mobile communications device to the network site, of the PIN received by the second program, to authenticate the user or transaction to the network site.