| 摘要 |
PROBLEM TO BE SOLVED: To simplify the restoring operation of remotely invalidated data.SOLUTION: An information processor includes: a setting unit for setting body identification information on the information processor in an external device; a duplication unit for making a storage unit of the external device store the duplication of data stored in the storage unit of the information processor; an invalidation unit for invalidating the data stored in the storage unit of the information processor in response to an invalidation instruction of data; and a restoration unit for, when the information processor whose data have been invalidated by the invalidation unit is started, the external device is connected to the information processor, and the body identification information is set to the external device, restoring the duplication of the data stored in the storage unit of the external device in the storage unit of the information processor. |
