The basic purpose of this article is discuss about cloud backup service.Cloud backup services are constantly reliable and dependable. Cloud sources use the greatest technology, such as encryption, disk-based backup, application-specific defense, and numerous other kinds of securities for the information that is stored on their server. Moreover, this type of backup service is reasonable. Several of these backup servers accuse a level monthly rate. However, when looking at a cloud service, be positive to question the backup safety and management because that is the entire reason for getting such a service; the backup.