Do backups still under a legal hold have to be preserved even after the records were deleted from the live system?

Yes. When a legal hold is in place, the duty to preserve attaches to the information itself, not to a particular copy of it. If responsive records were deleted from the live system but still exist on backup media, those backups generally must be preserved for as long as they are the surviving source of the held information.

Why deletion does not end the obligation

A legal hold suspends normal disposition. The moment litigation, an investigation, or an audit is reasonably anticipated, the organization must take steps to preserve potentially relevant material. That obligation follows the content wherever it lives. So if a record is purged from production systems, any backup that still contains it becomes the place where the preservation duty must be met.

Routine, automated deletion is not a defense once a hold is active. Continuing to overwrite or recycle backup tapes that hold relevant data can be treated as spoliation, even when the deletion happened through an ordinary, scheduled process rather than a deliberate act.

How preservation usually works in practice

Organizations typically take a few steps:

• Identify which backup sets fall within the scope and date range of the hold.
• Segregate or freeze those specific backups so they are excluded from the normal rotation, overwrite, or recycling cycle.
• Document what was held, when, and why, to show good-faith compliance.

Importantly, a legal hold does not require freezing your entire backup environment indefinitely. The duty is reasonable and proportional. You preserve the backups that are likely to contain relevant information, not every tape you own forever.

When the duty ends

The obligation lasts until the hold is formally released, the matter is resolved, and counsel confirms the records are no longer needed. Once released, the affected backups return to your normal retention schedule and may be disposed of like any other media.

A practical safeguard is to coordinate legal hold processes with backup and IT operations in advance, so that issuing a hold automatically interrupts the relevant recycling cycles. For broader context on managing digital records and disposition, see the electronic records topic hub.

The key principle: deleting a record from the live system does not satisfy or end a preservation duty if a copy still exists on a backup under hold.