Security

Offsite Backup

An offsite backup stores a recovery copy away from the original location. It protects against shared local events, while access, privacy and restoration still need planning.

Computer and local backup in one building, with a protected recovery copy at another location.

What it means

The copy may be held on removable media at another suitable location or in a remote backup service. Physical separation addresses risks such as theft, fire or water damage. It does not automatically isolate account access, stop ransomware or make the data recoverable without passwords and a working restore process.

How this affects everyday use

Two disks kept beside the same computer can be lost in one incident. A remote copy can also fail if it is outdated, silently stopped, tied to an inaccessible account or subject to unsuitable retention.

A practical example

A water leak damages the computer and local backup shelf. An encrypted copy stored elsewhere can support recovery when the local equipment is unusable.

What to check

  • Confirm the destination is separate from the original site.
  • Check latest backup status, retention and account recovery.
  • Estimate download or transport time for the data volume.

Practical next steps

  • Create a verified copy at a suitable separate destination.
  • Protect access and encryption keys without storing the only key with the original.
  • Test restoration using the method available after loss of the primary device.

Keeping it reliable

Review where copies are kept and who can retrieve them. Maintain independent protection against destructive account changes. Choose retention and location for the real data involved; offsite storage alone does not establish legal compliance or a guaranteed recovery time.

Technical sources

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