| 摘要 |
Disclosed is a simple and low cost information protection system for protecting data stored in an individual storage medium by preventing a hacker from entering. Also disclosed are a storage medium and a storage media storage case to be used for the system. The storage medium such as an optical disc has a storage portion for storing information data and predetermined application program data for controlling at least an external device, an electronic circuit portion for reading out the data from the storage portion and controlling an external device based on the read-out application program, and permission information for controlling whether permit or refuse access to the storage portion. A plurality of storage media are stored in a storage case for enabling a person to take out the predetermined storage medium from the storage media storage case only if the person is identified as one of the previously registered particular persons. The taken out storage medium is loaded in an external device. When the storage medium is accessed from an external device, such access is enabled only if permitted based on the permission information.
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