| 摘要 |
<p>A method of authenticating a transaction comprises receiving from a user's mobile device user location information and associated network data in response to a change of location or network of the mobile device,storing the location information and (optionally) the network data in a database in a record associated with the user, receiving a request for authentication of a transaction purportedly by the user, the request including transaction location information, comparing the transaction location information and (optionally) the network data to the stored user location information associated with the user, and generating authentication data in response to the result of the comparison.</p> |
