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Immutable backups in plain English
What “immutable” means, why ransomware crews target backups, and how SMBs get close without enterprise budgets.
If attackers can delete your backups with the same admin account they just stole, you have a synchronized failure waiting to happen.
Immutable means
For a defined retention window, backup data cannot be altered or deleted, even by many forms of admin access.
SMB-friendly approaches
- Object-lock / immutability on cloud backup repositories
- Offline or air-gapped rotate for critical systems
- Separate backup admin accounts from daily Microsoft 365 Global Admins
Still test restores
Immutability without restore tests is expensive confidence.
Explore options with Qutzl.