The 3-2-1 Backup Rule

Ransomware targets backups first, so having multiple backups is important. Don’t keep a backup just on your computer.

[!info] The 3-2-1 rule. - 3 copies of data. - 2 Different media types (e.g., disk + tape/cloud) - 1 Copy offline (physically separated)

Immutable backups: Backups that cannot be altered or deleted, even by an administrator, for a set period.

Related Concepts: Ransomware