Patent ID: 8068811

Claim:
A mobile communication terminal device connectable to a backup device backing up information through a communication network, the mobile communication terminal device comprising: an information memory unit configured to store a first information and a security information indicating whether the first information is secret or not; a backup request memory unit configured to store a first request for backing up identification information of the first information stored in the information memory unit and the first information in the backup device, or a second request for deleting a second information identified by the identification information with which the first information is stored in the backup device; a transmitting unit configured to transmit the first request or the second request to the backup device, based on the information stored in the backup request memory unit; and a management unit configured to store the identification information of the first information and the first request in the backup request memory unit, when the first information, of which the security information indicates that the first information is not secret, is stored in the information memory unit, wherein when a secret mode of the mobile communication terminal device is changed from an ON state in which both secret first information and non-secret first information are displayed, to an OFF state in which only non-secret first information is displayed, the management unit deletes the identification information from the backup request memory unit if the corresponding first information is secret.