QULDEXResources · Glossary
What is a control owner? Role and responsibilities
What does a control owner do?
The owner keeps the control working through changes in systems and staff, makes sure the evidence is produced on time, and responds when a test fails or an auditor raises a finding.
Ownership is about accountability, not seniority. The right owner is the person closest to the work who has the authority to change it.
How do the roles around a control differ?
Answers for the control operating and for its evidence.
Performs the steps, such as running the review or applying the patch.
Decides how the risk is treated and accepts what remains.
What does control ownership look like?
The quarterly access review for the finance system.
| Item | What it looks like |
|---|---|
| Control owner | Finance systems manager: accountable for the review happening and being evidenced |
| Operator | Application administrator: produces the user list and applies removals |
| Reviewer | Internal auditor: checks a sample of the completed review |
| Risk owner | Chief financial officer: accepts the remaining access risk |
This is an illustration written for this page, not a customer record.
Which frameworks require control ownership?
| Framework | Where | What it asks for |
|---|---|---|
| ISO 27001 | Clause 5.3 | Top management assigns and communicates responsibilities and authorities for information security roles. |
| ISO 27001 | Annex A 5.2 | Information security roles and responsibilities are defined and allocated. |
| SOC 2 | CC1.3, CC1.5 | Structures, reporting lines and authorities are established, and people are held accountable for their control responsibilities. |
| NIST CSF 2.0 | GV.RR | Roles, responsibilities and authorities are established and communicated. |
References are to the current editions listed under Sources. Check the edition your auditor is using.
What goes wrong with control ownership?
A team as owner
'IT' owns the control, so no one person answers for it.
Instead: name one person.
Owner left, nobody told
The named owner changed role months ago.
Instead: review ownership when people move and at least once a year.
Accountable without authority
The owner cannot change the process they answer for.
Instead: give ownership to someone who can act.
How does QULDEX handle this?
Controls arrive already mapped across frameworks, each with an owner and a status.
Control Owner: common questions
What is the difference between a control owner and a risk owner?
The risk owner decides how a risk is treated and accepts the risk that remains. The control owner makes sure a specific control that treats the risk keeps working.
Can one person own many controls?
Yes, but check that the workload is realistic. If evidence is regularly late for one owner, the controls may need to be shared out.
Does the control owner collect the evidence?
The owner is accountable for the evidence existing. Someone else may produce it, but the owner confirms it is complete and on time.
Sources
- ISO/IEC 27001:2022, Information security management systems: Requirements
- ISO/IEC 27002:2022, Information security controls
- NIST Cybersecurity Framework (CSF) 2.0
- AICPA, 2017 Trust Services Criteria (with revised points of focus, 2022). aicpa-cima.com
One owner for every control
Controls, evidence, findings and corrective actions in one audit workspace.