Backup has changed dramatically over the past decade. It can be physical or virtual, on-premises or in the cloud, and it can be initiated at many points throughout the enterprise, not only by the backup administrator. Yet, the fundamentals remain: it must be possible to back up the enterprise rapidly without inhibiting the production environment. Further, there must be some form of assurance that all data has been backed up. Read these five backup necessities for a new era of IT.