A control owner matrix lists each control, the person responsible for running it, a backup, how often it runs and where the evidence lives. It is the cheapest way to avoid missed reviews, because every task has a name beside it. Build it before the audit period starts.
Why it helps
Controls fail quietly when ownership is vague. "Engineering" owns code review. "IT" owns access. Nobody actually checks. A named person with a calendar entry does.
The CC1 and CC5 criteria cover accountability and the deployment of controls through policies and procedures. A matrix is a plain way to show that accountability exists.
The columns
Keep it to a sheet. Eight columns are enough.
- Control name, in plain words.
- Criteria reference, for example CC6.2 or CC8.1.
- What exactly is done.
- Owner, one person.
- Backup, one person.
- Frequency: continuous, per event, monthly, quarterly, annual.
- Evidence: what is produced and where it is stored.
- Last done, and next due.
A few example rows
- Quarterly access review: owner is the head of IT or operations, backup is the CTO, evidence is the signed review and tickets for removals.
- Pull request approval: owner is the engineering lead, evidence is the repository setting export and a merged request sample.
- Vendor review: owner is the person who manages procurement, evidence is a reviewed report and a note.
- Policy review: owner is the security lead, evidence is the signed policy with a date.
- Backup restore test: owner is the infrastructure lead, evidence is the test report.
Rules that keep it honest
- One owner per control. Shared ownership is no ownership.
- Owners must have time and authority. Do not assign everything to one overloaded person.
- Backups matter. Holidays and resignations happen.
- Review the matrix when someone leaves or changes role. Make that a step in offboarding.
- Do not list controls you do not run.
Run the calendar
Turn the frequency column into calendar entries or tickets. Send a reminder two weeks before a due date and track completion in a standing meeting. For the whole picture, see an evidence calendar for any tooling.
Show it to the auditor
Auditors often ask who performs a control. If your answers match the matrix, that is evidence of a designed and operating process. If they do not, you have a finding. Keep the matrix current throughout a Type 2 period.
Safeguard's compliance and evidence automation can track recurring tasks and attach dated evidence, though the matrix itself can live in any sheet.
Start with a short list
Teams often try to document sixty controls at once. Begin with the fifteen that auditors sample most: access reviews, onboarding and offboarding, change approval, vulnerability remediation, incident handling, backups, vendor reviews, policy approval, training and risk assessment. Add the rest as you find gaps. A short matrix that is true and used beats a long one that nobody opens.
Quick check
Can a founder own every control?
At a very small size, perhaps, but add backups and outside review. As you grow, spread ownership.
Is the matrix itself audited?
Not as a document type. Auditors test controls, and the matrix helps you show who ran them.
Sources
Last reviewed: 19 October 2026.
