| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage system of a mobile terminal and an access control method for more surely preventing unauthorized access to data stored in a storage medium attachable and detachable to and from the mobile terminal. SOLUTION: The storage system of the mobile terminal includes: a step of receiving an SMS message from an OTA server 30; a step of relaying the SMS message including an access restriction request to request restriction of access to storage data stored in a USIM card 150 to the USIM card 150; and a step of setting the USIM card 150 to an access restriction state in which access from the outside to the storage data is restricted based on the access restriction request included in the relayed SMS message. COPYRIGHT: (C)2009,JPO&INPIT
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