Category
Backup & Data Protection
Most people set up a real backup only after they have nearly lost something. These articles cover the 3-2-1 rule and why the offline copy is the one that matters, how to test that a backup actually restores, which storage media age fastest, and the everyday habits that keep a bad day from becoming a permanent loss.

The 3-2-1 Backup Rule and How to Test It
Three copies, two media, one off-site. What the rule means in practice, and how to confirm your backup actually restores rather than merely exists.