What Is the 3-2-1-1-0 Backup Strategy?
Key Points The 3-2-1-1-0 strategy secures data using immutability to ensure backups cannot be encrypted or deleted by attackers. Zero-error verification uses continuous checksum testing to guarantee that every byte of saved data is fully recoverable. Automating backup pipelines and restore drills replaces manual oversight with consistent, audit-ready security controls. Strategic tiering across disk, cloud, […]

