34 Regular backups (Essential)
Regular backups of important new/changed data, software and configuration settings, stored disconnected, retained for at least three months. Test restoration initially, annually and when IT infrastructure changes.
Source: ASD Strategies to Mitigate Cyber Security Incidents, 34. The statement above is our statement of the clause, read from the published text and cited so you can check it against the official text, not the instrument verbatim. Open ASD Strategies to Mitigate Cyber Security Incidents in the compliance library.
These are the artefacts auditors commonly ask for on this requirement, our guidance rather than text from the standard. Your assessor decides what is sufficient in your context, and asks for samples across the period when a report covers one.
system holds itEvidence a system already holds
- Backup access control list showing backup accounts separate from domain admins and unable to delete or modify retained copies · Backup / DR tooling
- Backup schedule and job reports covering important data, software and configuration settings · Backup / DR tooling
periodic reviewEvidence produced at each review
- Restoration test records from initial setup, annual testing and after infrastructure changes · Backup / DR tooling
governing documentDocuments that govern the control
- Offline or immutable backup copy locations with retention settings of at least three months · Policy repository / GRC workspace
First move
Common gaps auditors find
- Backups kept online on the same domain, reachable by ransomware with the same admin credentials
- Configuration settings and software not included, so systems cannot be rebuilt quickly
- Restores never tested, or tested only on individual files rather than whole systems
Do this for your whole sheet
Paste the rows you run your controls from and get this mapping for every control at once, with the periodic-review ones flagged and a first move per row. No account for the first run.
Build my evidence sheet33 Capture network traffic (Limited) · 35 Business continuity and disaster recovery plans (Very Good)