3-2-1 Backup Rule - Graph View A data protection strategy requiring three copies of data on two different media types, with one copy stored offsite. View concept details Related ConceptsSingle Source of Truth (SSOT) Data Portability Local-First Full Backup Incremental Backup Differential Backup Disaster Recovery Recovery Point Objective Air-Gapped Backup Offline Backup Ransomware Data Availability Data Integrity Durability Data Redundancy Cold Storage Digital Preservation Information Lifecycle Management ← Back to full graph