| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an improved authentication structure that can handle an overwhelmingly large number of transactions in a rational position in trade-off terms.SOLUTION: In order to obtain approval by a user at different levels of security regarding network transactions, the network site chooses a style in which a transaction is to be presented to the user out of a group of transaction presenting styles containing presentation of a transaction to a browser pop-up window on a network apparatus of the user, a security software application window, and a security application window on another network apparatus of the user. It also chooses the type of approval of the transaction to be requested by the user. The transaction, chosen presenting style and user transaction approval of the chosen type are transmitted to obtain transaction approval by the user.</p> |
