There are basically three options for cloud based backup and choosing the right one depends on the size and needs of your organization. One of the oldest forms of the use of cloud storage, in fact it predates the term, is cloud only backup services. The advantage that the cloud only model has is simplicity. Once the software is installed backups typically start to happen. Cloud only services are best suited for systems that are frequently connected to the internet and where there is only an incremental amount of daily change.”]
Source: https://www.darkreading.com/database-security/cloud-storage-s-role-in-backup-part-i