A 3-2-1 backup strategy is a data backup plan that calls for three copies of data to be stored on two different media, with one copy off-site. This backup strategy can be used for both personal and business data.
The three copies of data can be stored on different types of media, such as a hard drive, a flash drive, and a cloud storage account. The two different media can be a local hard drive and a cloud storage account, …
