Cloud based backup system is a way of keeping a backup of all your system data and files on a cloud based server but costs a high monthly subscription cost. So, if you want to secure your PC at a nominal cost, Rescue Drive Software is going to be your best bet. The best thing about a Rescue-Drive based backup is that it is highly secured and in the event of corrupt data or data loss, the system can easily be restored without any data loss and minimum downtime.