关键词: 文件监控, 权限控制, 安全认证

Abstract:

For the data file access security in Windows operating system,a Windows file system driver filter based file monitoring system is designed and implemented.First encryption techniques can be introduced to protect the data,and the precondition is the data is still useful.User permissions,U disk authentication,port control and other means are used to monitor such file operations as create,delete,copy,and rename.The implementation is based on the application layer and is effectively to prevent the unauthorized access to classified data files.

Key words: file monitoring;security authentication;access control