INFORMATION PROCESSOR, INFORMATION PROCESSING MONITORING METHOD, PROGRAM AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To prevent an illegal program from entering a kernel even when resources are accessed through execution of the illegal program, by detecting such access.SOLUTION: A virtual machine monitor 32 includes: a hook processing unit 322 that hooks and exits issuance of a Syscall order to a kernel for making a processing request to resources; a correctness evaluation unit 325 that evaluates correctness of the Syscall order hooked by the hook processing unit 322; and a processing unit 326 that issues an order for processing corresponding to an evaluation result.