FilterDriver
File activities monitor and file access control, file encryption
... content before or after the request goes down to the file system, allow/deny/cancel its execution based on filter rules. Protect the sensitive files, you can verify the user identity, authenticate them, authorize the file access, prevent the confidential files from being accessed, modified, renamed, deleted, or read by unauthorized users, you also hide your sensitive files to the unauthorized users, protect intellectual property from being copied.