| 摘要 |
<P>PROBLEM TO BE SOLVED: To urge an authorized user of an account to take measures against an illegal attack to the account. <P>SOLUTION: In this transaction system comprising a transaction terminal 1 operated by the user and a transaction server 2 for receiving a transaction request from the transaction terminal 1, the transaction server 2 has a user authenticating part 22 for authenticating the user of the transaction terminal 1 for making a transaction request and a difference information managing part 23 for storing difference information showing an authentication result of the user who is not allowed to start a transaction by the user authenticating part 22 in a storing means and transmitting the difference information to the transaction terminal, and the transaction terminal has a difference information processing part 15 for outputting the difference information received from the transaction server. <P>COPYRIGHT: (C)2008,JPO&INPIT |
