Immutable Backup: Essential 3-2-1-1-0 Strategy to Cut Risk
Ransomware crews delete the backups before they encrypt anything, which is why the old 3-2-1 rule quietly stopped being enough. This guide explains what an immutable backup genuinely is at the storage layer, how each digit of the 3-2-1-1-0 backup strategy is proved rather than claimed, the difference between governance and compliance mode, how long the lock window needs to be against realistic dwell time, what the storage overhead actually costs, the restore verification that the final zero demands, and a 90-day plan to get there.
