(Electronic files are the primary method of enterprise information storage, and the primary carrier of information exchange between internal and external enterprises. In the process of transmission, circulation, storage, etc., electronic files are easily stolen by hackers, Trojan horses, competitors, as well as internal employees' intentional or unintentional leaks. These uncontrolled flows seriously threaten various information resources of enterprises and enterprises. The security of intellectual property rights and user privacy. Contents 1. Overview of File Shield product series?? 12. File Shield product series classification?? 12.1 File Safe Box Stand-Alone Edition?? 22.2 File Safe Box Enterprise Edition?? 22.3 Network File Safe Box?? 22.4 SecureDOC Enterprise Document Security Maintenance System? ?23. File Safe Box Stand-Alone?? 33.1 Why is File Safe Box Standalone?? 33.2 File Safe Box Standalone Features?? 33.2.1 Multi-User Support?? 33.2.2 USB Smart Card Authentication?? 43.2.3 Process access control and file operation control?? 4......)