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The useful evidence shows what was backed up, how restoration was performed, what was checked, and whether the restored system supports the intended process.
Define what must be recoverable
List application data, configuration, documents, audit trails, signatures, interfaces, master data, and dependencies. A database dump may not be enough if the application configuration or attachments are needed to interpret the records.
Set recovery expectations for the process. The acceptable loss window and recovery time should be defined by business and quality risk, not chosen only because a platform default is convenient.
Control backup creation
Document frequency, retention, storage, access, encryption or protection, monitoring, and failure alerts. Test that a backup job completed and that exceptions reach an accountable owner.
Restrict deletion and administrative changes. Backup evidence should be attributable and protected from casual alteration.
Test the restore
Restore to a controlled environment and verify the application, records, relationships, audit trails, signatures, reports, interfaces, and user access needed for the intended use. Record the software versions and dependencies.
Check the restored result against defined acceptance criteria. 'The service started' is not the same as 'the regulated process recovered correctly.'
Exercise failure scenarios
Use scenarios that reflect the risk: corrupted file, missing attachment, incomplete backup, failed job, expired credential, unavailable region, or interrupted restore. The purpose is not disaster theatre. It is to expose the real recovery boundary.
Keep the procedure current
Review restore instructions after platform, application, infrastructure, or role changes. Record lessons from each exercise and route required improvements through change control.
| Check | What to verify |
|---|---|
| Coverage | Required data, configuration, and dependencies are included |
| Integrity | Restored records and history match the defined criteria |
| Security | Only authorised people can access or alter backups |
| Recovery | The process meets approved time and loss objectives |
| Repeatability | Another qualified person can follow the procedure |
FAQ
Is a backup successful message enough?
No. It shows a job reported success. A restore test provides evidence that the backup is usable.
How often should restore testing occur?
The organisation should define frequency by risk and procedure, and repeat it after material changes.
Can a supplier restore the system for us?
Yes, if the responsibility, evidence, timing, scope, and acceptance criteria are defined and reviewed.
Should restored data be used in production?
Use a controlled environment for testing unless a documented recovery event requires production restoration. Protect test data and record the decision.
Decision rule: choose evidence from the consequence of failure, the control being relied on, and the ability to detect a problem. A larger document set is not automatically stronger. Clear scope, reproducible evidence, and an approved conclusion are what make the decision defensible.
Keep the rationale with the controlled record. Future reviewers should be able to see what was considered, what was tested or reviewed, what remains uncertain, and who accepted the residual risk.
During review, compare the approved requirement with observed use, current configuration, and retained evidence. That simple comparison often finds drift before an auditor does.
For related work, read our validation traceability matrix guide.
Primary sources
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