Patent ID: 7827411

Claim:
A method for authorizing a sender in a network comprising: generating, by said sender, first time-dependent data, said first time-dependent data indicating a time at which data is sent to a receiver, generating, by said sender, first geographic location data at said sender, said first geographic location data indicating a geographic location where said sender is currently located; generating a first password based on said first time-dependent data and said first geographic location data; communicating said first password by said sender via the network to said receiver; generating, by said receiver, second time-dependent data, said second time-dependent data indicating a time at which said data is received by said receiver from said sender; retrieving from memory second geographic location data indicating a predetermined geographic location at which said receiver expects said sender to transmit from; comparing, by said receiver, said first time-dependant data and second time-dependent data; comparing, by said receiver, said first geographic location data and said second geographic location data; and authorizing further communication from said sender to said receiver based on said comparisons.