| 摘要 |
PROBLEM TO BE SOLVED: To provide a security processor having a powerful tampering resistance function to theft or the like. SOLUTION: The present position information of the security processor is periodically acquired using GPS, and the present position information is compared with position information previously registered when installed. In the case both of the position information are continuously discordant the determined number of times or in the case of continuously failing to acquire the present position information, abnormality is determined, and self-destructive processing such as erasing security software, tampering resistance software, or the like is performed. |
