| 摘要 |
PROBLEM TO BE SOLVED: To safety perform authentication with simple operation without using a special authentication device as authentication when logging into a corporate server from a mobile terminal, using the Internet. SOLUTION: When the mobile terminal 1 is connected with a log-in URL of a corporate server 6 using a connection source phone number of a communication card 2 used when connecting the mobile terminal 1 to the Internet, as a security key, the phone number of the communication card 2 is read, and the read phone number of the communication card 2 is notified to the corporate server 6 via the Internet 5. The corporate server 6 performs log-in authentication after confirming that the notified phone number of the communication card 2 is the connection source phone number authorized for every log-in user in checking the authentication of a user ID and password at the log-in. COPYRIGHT: (C)2005,JPO&NCIPI |
