What is a immutable backup?

A backup copy that cannot be modified or deleted for a defined retention window, protecting it from ransomware and malicious admins.

Who uses one?

IT admins, MSPs, and infrastructure teams protecting servers, VMs, SaaS, and endpoints

What does it cost?

Pricing varies. The cheapest provider in our Top 11 starts around $—/mo. See the cheapest providers ranked.

How do I pick one?

Read the full methodology for our 9.4-point scoring framework, then look at the canonical Best Backup and Recovery Software. If you want a slice of the ranking by price, fit, or compliance, jump to: cheapest · highest-rated · fastest onboarding.

Source: Top 11 Best Backup and Recovery Software, verified July 5, 2026.