Most modern file systems have methods of administering permissions or access rights to specific users and groups of users. These systems control the ability of the users affected to view or make changes to the contents of the file system. The best way to secure your network is by setting and managing rights to the right people to access crucial data. With efficient planning and monitoring you can restrict unwanted users to intrude into your crucial data and can save on wastage of bandwidth by restricting resources to be used by those who require it the most.