Frequently Asked Question
What Is the 3-2-1 Backup Rule?
Last Updated 9 hours ago
The 3-2-1 backup rule is a simple way to reduce the risk of losing important data by keeping multiple copies in different locations.
3
Copies of Your Data
2
Different Types of Storage
1
Copy Stored Offsite
Example
You might keep your original files on your computer, a second copy on a local backup drive, and a third copy in a secure remote backup system.
This helps protect against hard drive failure, accidental deletion, theft, fire, ransomware, and other problems that could affect both your computer and a local backup at the same time.