PROBLEM TO BE SOLVED: To prevent the leakage of data stored in a storage device based on the attributes of a place including a current position.;SOLUTION: The position category of a place where the use of data stored in a management folder is inhibited and the use range of a computer 10 are respectively stored as inhibited position category information and area information, and the position category of the place including the current position is acquired, and whether or not the acquired position category is included in the inhibited position category information is determined, and when it is determined that the acquired position category is included, the data in the management folder are erased.;COPYRIGHT: (C)2008,JPO&INPIT
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