EaseFilter File System Control Filter Driver SDK provides you with an easy way to develop the windows file system filter driver which can implement software for file protection, file access control and security control. With the file system control filter driver, it can control the file activities, intercept the file system call, modify its content before or after the request goes down to the file system, allow/deny/cancel its execution based on filter rules. You can fully control file open/create/overwrite, read/write, query/set file attribute/size/time security information, rename/delete, directory browsing these Io requests.