| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To secure security even when any data necessary for user identification is stolen. <P>SOLUTION: In a gateway machine 300, a plurality user groups which are respectively configured of two or more users and an access permission resource(server, task application) to which each user group is permitted to access are managed, and when any user transmits a log-in request by using a PC terminal 100, whether or not the other users belonging to the user group of the user have already logged in the gateway machine 300 is determined, and when the other users have already logged in the gate machine 300, the user is permitted to access the access permission resource. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
