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Data Security

The 3-2-1 Backup Rule: The Simplest Way to Never Lose Data Again

Data Recovery Doctor Lab 15 Sep 2026 1 min read
The 3-2-1 Backup Rule: The Simplest Way to Never Lose Data Again

Data recovery is our job, but the best recovery is the one you never need. The 3-2-1 rule is the simplest backup plan that protects homes and businesses alike.

3 copies of your data

Keep the original plus two backups. One copy is never enough: if the backup drive is plugged in when disaster strikes, both can be lost together.

2 different types of storage

For example, an external hard drive and a cloud service, or a NAS and an external SSD. Different media rarely fail at the same time.

1 copy kept off-site

Fire, theft, floods and ransomware can destroy everything in one place. Keep at least one copy somewhere else - in the cloud or in another building.

Test your backups

A backup you have never restored is only a hope. Every few months, try to restore a few files to make sure the backup really works.

Already lost data?

If something has gone wrong, stop using the device and contact us for a free evaluation. Our No Data - No Charge policy means you only pay if we get your files back.

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