| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent unauthorized use, unauthorized access, information leak, and the like, in the case where one or both of a mobile communication terminal and a mobile router are lost or stolen.SOLUTION: At first, a mobile communication terminal and a mobile router connect with each other by near field communication (NFC), and perform authentication by checking a terminal identifier of the like. If the authentication succeeds, use of the mobile communication terminal and communication to a business server via the mobile router are performed. At this time, the mobile communication terminal starts itself and connects with the mobile router by wireless LAN communication. The mobile router connects the mobile communication terminal with the business server by wide-area communication. If the authentication was fails, use of the mobile communication terminal and communication to the business server via the mobile router are disabled. At this time, the mobile communication terminal stops/locks itself. The mobile router inhibits communication with the mobile communication terminal by wireless LAN communication and communication to the business server by wide-area communication.</p> |
