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Immutable Backups

Data Management

Ransomware Access Control Backups Disaster Recovery (DR)

Backup configuration preventing modification/deletion (WORM/retention locks) for a defined retention period.

Definition

Immutability uses retention locks and write-once protections. It is key for ransomware resilience, alongside separate credentials and access controls.

In plain English Backup configuration preventing modification/deletion (WORM/retention locks) for a defined retention period.

Why this matters

Why it matters: Protects the last line of defense—restorable data.

Example

Example: Use separate backup accounts, enable immutability, enforce MFA, and test restores regularly.