| 摘要 |
PROBLEM TO BE SOLVED: To realize sufficient security by deleting memory information stored in a missing mobile terminal with an instruction signal from a communication terminal on the occurrence of the missing of the mobile terminal so as to preclude the risk of interception of the memory information in the mobile terminal by a 3rd part and to reduce the cost by allowing a control program to cope with the missing without the need for revamping the mobile terminal and the communication terminal and precluding the risk of making the configuration of the mobile terminal and the communication terminal complicated. SOLUTION: The system is provided with a mobile terminal storing memory information and with a communication terminal connectable to the mobile terminal. On the occurrence of the missing of the mobile terminal, an instruction signal from the communication terminal connected to the missing mobile terminal is sent to the missing mobile terminal to delete the memory information stored in the mobile terminal.
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