Information terminal device management program, as well as the management server and the information terminal device management system

摘要

The invention relates to a case of receiving the provision of various services by using the portable terminal device, event, it is possible to more reliably prevent unauthorized use by the mobile terminal device a malicious third party even or is lost or stolen the by the way, to ensure adequate security, to minimize the damage incurred the user. A first position, which is notified by the first notification means A information terminal apparatus, when the distance between the second position, which is notified by the second notifying means of biometric data detecting terminal unit exceeds a predetermined range or, when one of the first position or the second position can not be confirmed, the management server, and gives a command to lock the display screen of the information terminal device to the information terminal device, it is characterized. [Selection Figure] Figure 1