I have adhered to the 3-2-1 backup rule for years and continue doing so today. It ensures I have multiple copies of all my data, including work, media, and even my Steam PC game library.

This 3-2-1 rule is considered a best practice to make sure that data gets backed up properly, and to minimize any single point of failure of the data backup process.

The 10-3-2-1-0 sleep rule explained No caffeine 10 hours before bed Caffeine can last in your system for a long time after consuming, with a half life of around five hours.

A pre-sleep routine, the 10-3-2-1-0 rule, aims to improve sleep quality. This sleep rule offers a simple routine to improve sleep quality by focusing on timing certain activities before bed.

Dr. Michael Breus spoke with TODAY about the tips and tricks, including the 3-2-1 rule that will transform the way you fall asleep and stay asleep.

David Friend, CEO of Wasabi discusses how advanced cyber-attacks require new air-gapped backup strategy.

This rule is a simple but effective guideline for data backup. "Following the 3-2-1-1-0 golden backup rule is the best way to protect your data from various threats," said a spokesperson for EaseUS.

The 3-2-1 policy The 3-2-1 backup policy has been around for decades and represents the traditional “gold standard” for ensuring the safety of backups.