Non-volatile media fraud detection system, fraud detection device, and fraud detection method

摘要

The present invention provides a fraud detection system that allows you to detect the fraud made by the operation that distinguish it from normal operation can not tell. The fraud detection system, the audit information disclosure section disclosing the audit information including at least information indicating that the history storage unit for storing operation history information of the monitored device, and perform audits for detecting fraud , based on the disclosure after the operation history information, which is operation history information on the time after which the disclosed disclosure and before operation history information, which is operation history information before the time of disclosing the audit information, the audit information, to detect fraud I comprises, and fraud detection unit that.