| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an authentication device, an authentication method and an authentication program with which authentication can be performed with high accuracy. <P>SOLUTION: An authentication device 1 includes a processing unit 2 that shows multiple questions to an unspecified user when it detects an access from the unspecified user and determines whether or not the unspecified user who is making an access attempt is a specified user according to the matching degree of the percentage of questions answered correctly or a score obtained by the unspecified user in answering the multiple questions and the percentage of questions answered correctly or a score for authentication that is arbitrarily predetermined and stored in storage means 5. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
