| 摘要 |
<p>According to the present invention, there is provided a method of preventing an illegal transaction which is executed by a server able to communicate with a user terminal. The method of preventing an illegal transaction includes the steps of: confirming and storing unique m (m>=1) number of information for uniquely identifying m number of terminals which are used for a non-face-to-face financial transaction of a user, non-face-to-face authentication or an online payment; confirming a result of authenticating validity of a terminal used for the non-face-to-face financial transaction, non-face-to-face authentication or on-line payment by using the unique information when the non-face-to-face financial transaction, or non-face-to-face authentication or on-line payment is performed through a user terminal; and performing a procedure of processing the non-face-to-face financial transaction, non-face-to-face authentication or on-line payment through authenticated terminal when the validity of the terminal is authenticated through the unique information.</p> |
