ISO/IEC 27001

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Corrective Action Tracker

1. Purpose

The Corrective Action Tracker provides a centralized mechanism for recording, assigning, monitoring, verifying, and closing actions taken to address information-security findings, control weaknesses, incidents, audit observations, risks, and other identified issues.

The tracker connects the issue to the action and ultimately to objective evidence of remediation.

Core Principle

Identify → Analyze → Correct → Assign → Implement → Verify → Close → Improve


2. When to Use

Use this tracker for corrective actions arising from:

☐ Internal audits
☐ Independent security reviews
☐ ISO 27001 assessments
☐ SOC 2 assessments
☐ Security control testing
☐ Vulnerability assessments
☐ Penetration testing
☐ Security incidents
☐ Data/privacy incidents
☐ Supplier assessments
☐ Cloud security reviews
☐ Risk assessments
☐ Customer assessments
☐ Regulatory reviews
☐ Management reviews
☐ Security monitoring
☐ Recurring findings
☐ Other: ______________________


3. Corrective Action Register

Action IDFinding/IssueAction DescriptionOwnerPriorityDue DateStatusVerificationClosure Date
CA-001
CA-002
CA-003
  • Open
  • Assigned
  • In Progress
  • Blocked
  • Pending Evidence
  • Pending Verification
  • Completed
  • Closed
  • Risk Accepted
  • Deferred
  • Cancelled

4. Corrective Action Information

FieldDetails
Action ID
Finding ID
Risk ID
Incident ID
Review/Audit ID
Date Opened
Source
Security Area
Action Owner
Business Owner
Security Owner
Priority
Target Date
Current Status
Date Closed

5. Source of Corrective Action

☐ Internal Audit
☐ Independent Review
☐ Security Assessment
☐ Vulnerability Assessment
☐ Penetration Test
☐ Security Incident
☐ Risk Assessment
☐ Supplier Review
☐ Cloud Review
☐ Customer Assessment
☐ Compliance Review
☐ Management Review
☐ Security Monitoring
☐ Other: ______________________


6. Issue Description

Original Issue

Describe the finding, weakness, incident, or condition that resulted in the corrective action.

Requirement/Criteria

Identify the applicable policy, procedure, control, contractual requirement, legal/regulatory requirement, risk treatment, or review criterion.

Evidence

Describe or reference the evidence supporting the issue.


7. Corrective Action Objective

Define what the corrective action is intended to achieve.

Example:

“Ensure all privileged AWS accounts are reviewed at least quarterly and that evidence of the review is retained.”

Desired Outcome


8. Root Cause Analysis

Corrective action should address the underlying cause where appropriate rather than only correcting the immediate symptom.

Root Cause Category

☐ Process
☐ People
☐ Technology
☐ Configuration
☐ Governance
☐ Training/Awareness
☐ Documentation
☐ Supplier
☐ Change Management
☐ Monitoring
☐ Design
☐ Resource Constraint
☐ Other: ______________________

Root Cause

Contributing Factors


9. Immediate Correction

Where immediate action is required, document what was done to address the immediate condition.

Immediate Correction

Completed By


Date


Evidence Reference



10. Corrective Action Plan

Define the actions required to address the root cause.

StepCorrective ActionOwnerPriorityTarget DateStatus
1
2
3

11. Action Priority

Priority

☐ Critical
☐ High
☐ Medium
☐ Low

Priority Rationale

Priority should consider:

  • Security risk
  • Business impact
  • Information sensitivity
  • Customer impact
  • Regulatory impact
  • Exploitability
  • Likelihood
  • Existing controls
  • Dependency on other actions

12. Action Owner

Every significant corrective action should have a clearly identified owner.

Action Owner: ______________________

Role: ______________________________

Department: ________________________

Email/Contact: _____________________

Owner Responsibility

The action owner is responsible for coordinating completion and providing sufficient evidence for verification.


13. Target Date

Original Target Date: ______________________

Current Target Date: _______________________

Target Date Rationale: _____________________

Target dates should reflect the significance and risk of the underlying issue.


14. Dependencies

Identify dependencies that could affect completion.

DependencyOwnerExpected DateImpact

Dependency Notes


15. Action Status

Current Status

☐ Open
☐ Assigned
☐ In Progress
☐ Blocked
☐ Pending Evidence
☐ Pending Verification
☐ Completed
☐ Closed
☐ Risk Accepted
☐ Deferred
☐ Cancelled

Status Update

Last Updated



16. Progress Tracking

DateProgress UpdateOwnerStatus

Progress should be updated according to the organization’s risk and governance requirements.


17. Remediation Evidence

Document evidence demonstrating that the action was implemented.

Evidence IDEvidence DescriptionDateSourceReviewer

Examples include:

  • Updated policy
  • Approved procedure
  • Configuration change
  • Access review
  • Security test
  • Vulnerability scan
  • Ticket
  • Training record
  • System report
  • Monitoring evidence
  • Updated architecture
  • Contract amendment
  • Supplier response
  • Test result

Do not store passwords, API keys, private keys, authentication secrets, or other sensitive credentials in the tracker.


18. Verification Plan

Before closure, define how the corrective action will be verified.

Verification Method

☐ Evidence review
☐ Retesting
☐ Configuration review
☐ Sampling
☐ Technical validation
☐ Interview
☐ Observation
☐ Follow-up audit
☐ Independent review
☐ Other: ______________________

Verification Criteria

Define what must be demonstrated before the action can be considered effective.


19. Corrective Action Verification

Verified By: ______________________

Verification Date: _________________

Verification Result

☐ Effective
☐ Partially Effective
☐ Ineffective
☐ Further Evidence Required

Verification Notes

Verification Evidence


20. Effectiveness Assessment

Completion of an action does not necessarily demonstrate that the underlying problem has been effectively addressed.

Assess whether the corrective action:

☐ Addressed the original issue
☐ Addressed the root cause
☐ Reduced the identified risk
☐ Prevented recurrence where applicable
☐ Is operating as intended
☐ Has sufficient supporting evidence
☐ Requires additional monitoring

Effectiveness Result

☐ Effective
☐ Partially Effective
☐ Not Effective
☐ Cannot Yet Be Determined

Effectiveness Comments


21. Recurrence Assessment

Determine whether the issue has occurred previously.

☐ No previous occurrence identified
☐ Similar issue previously identified
☐ Recurring issue
☐ Systemic issue

Previous Finding/Action References

ReferenceDateDescriptionStatus

Recurrence Action

If recurring, determine whether additional root-cause analysis or management action is required.


22. Residual Risk

After implementation, assess the remaining risk.

Original Risk: ______________________

Residual Risk: ______________________

Residual Risk Level

☐ Low
☐ Medium
☐ High
☐ Critical

Residual Risk Rationale


23. Risk Treatment

If the corrective action does not completely eliminate the risk:

☐ Reduce
☐ Avoid
☐ Transfer/Share
☐ Accept

Risk Acceptance

Required: ☐ Yes ☐ No

If yes:

Risk Owner: ______________________

Approval Date: ___________________

Risk Acceptance Reference: ________


24. Change to Target Date

Target dates should not be changed without appropriate justification.

Extension Request

Original Due Date: __________________

Requested New Date: ________________

Reason: ____________________________

Risk Impact: ________________________

Mitigating Controls: _______________

Approved By: ______________________

Approval Date: _____________________


25. Overdue Corrective Actions

Action IDOwnerOriginal Due DateDays OverdueReasonRiskEscalation

Significant overdue actions should be escalated according to the organization’s risk-management and governance process.


26. Action Aging

Action IDDate OpenedCurrent DateAgePriorityStatus

Example Aging Categories

AgeCategory
0–30 daysCurrent
31–60 daysAging
61–90 daysExtended
91–180 daysLong Outstanding
>180 daysManagement Attention

Organizations may define different thresholds based on risk.


27. Closure Criteria

A corrective action should normally satisfy the following before closure:

☐ Corrective action implemented
☐ Root cause addressed where applicable
☐ Required evidence provided
☐ Evidence reviewed
☐ Effectiveness evaluated
☐ Residual risk assessed
☐ Risk acceptance completed where required
☐ Verification completed
☐ No additional action required
☐ Closure approved where required


28. Closure Record

Closure Statement

Describe why the corrective action is considered complete and effective.

Closure Evidence

Closed By: __________________________

Role: _______________________________

Closure Date: _______________________

Verification Reference: _____________


29. Management Escalation

Escalation may be required where:

  • A critical/high-risk action is overdue
  • Risk is increasing
  • The owner cannot complete the action
  • Required resources are unavailable
  • The action is repeatedly deferred
  • The issue is recurring
  • The corrective action is ineffective
  • Residual risk exceeds the organization’s tolerance

Escalation Record

DateAction IDEscalated ToReasonDecision

30. Corrective Action Metrics

Track management-level metrics.

MetricCurrent PeriodPrevious PeriodTrend
Total corrective actions
Open actions
Closed actions
Overdue actions
High/Critical actions
Average closure time
Recurring issues
Ineffective actions

Key Metrics

Total Actions: __________

Open Actions: __________

Overdue Actions: __________

High/Critical Actions: __________

Average Closure Time: __________

Recurring Issues: __________


31. Corrective Actions by Source

SourceOpenIn ProgressPending VerificationClosedTotal
Internal Audit
Independent Review
Vulnerability Assessment
Penetration Test
Security Incident
Supplier Review
Risk Assessment
Other

32. Corrective Actions by Security Area

AreaOpenClosedHigh/CriticalOverdue
Access Control
Cloud Security
Application Security
Vulnerability Management
Incident Management
Supplier Security
Data Protection
Business Continuity
Governance
Other

33. Corrective Action Effectiveness

Management should periodically evaluate whether corrective actions are actually improving the security environment.

Consider:

  • Reduction in repeated findings
  • Reduction in security incidents
  • Improved control performance
  • Improved audit results
  • Reduced vulnerabilities
  • Improved access-control compliance
  • Improved evidence quality
  • Improved recovery performance
  • Improved supplier security
  • Improved risk position

Effectiveness Summary


34. AWS SaaS Startup Example

Finding

Finding ID: SF-001

Source: Independent Security Review

Area: AWS Privileged Access

Severity: Medium

Issue

Evidence was not available to demonstrate that one privileged AWS account had been reviewed during the required review period.

Root Cause

The access-review process did not consistently include evidence capture for all privileged accounts.

Immediate Correction

The security team performed an immediate review of all privileged AWS accounts and removed one unnecessary permission.

Corrective Action

  1. Complete quarterly privileged-access review.
  2. Update the access-review procedure.
  3. Assign the Head of Engineering as owner.
  4. Configure a recurring review reminder.
  5. Store review evidence in the approved evidence repository.
  6. Perform a follow-up verification.

Owner

Head of Engineering

Target Date

15 November 2026

Verification

The reviewer will verify:

  • AWS IAM privileged-account population
  • Completed access review
  • Approval evidence
  • Removed permission
  • Updated procedure
  • Evidence-retention mechanism

Effectiveness Test

The next quarterly review should demonstrate that all privileged accounts are included and that review evidence is consistently retained.

Closure

The action should be closed only after the required evidence has been reviewed and the corrective action is determined to be effective.


35. Startup-Friendly Corrective Action Model

A startup can manage corrective actions using a simple lifecycle.

Step 1 — Identify

Record the finding or issue.

Step 2 — Understand

Determine the requirement, risk, and root cause.

Step 3 — Assign

Give the action to a specific owner.

Step 4 — Correct

Implement the agreed action.

Step 5 — Evidence

Capture objective evidence.

Step 6 — Verify

Confirm that the action works as intended.

Step 7 — Close

Record the closure decision.

Step 8 — Improve

Determine whether the action should result in a process, control, training, or governance improvement.

Finding → Root Cause → Action → Owner → Evidence → Verification → Closure


36. Corrective Action vs Immediate Correction

These should not automatically be treated as the same activity.

Immediate Correction

Addresses the condition that exists now.

Example: Remove an unnecessary AWS privilege.

Corrective Action

Addresses why the issue occurred and reduces the likelihood of recurrence.

Example: Improve the privileged-access review process and monitoring.

Example

Problem: Employee retained unnecessary privileged access.

Immediate correction: Remove the unnecessary privilege.

Corrective action: Improve access-review procedures and evidence tracking.

Effectiveness check: Confirm future access reviews consistently identify and address unnecessary privileges.


37. Common Mistakes

Avoid:

  • Treating ticket closure as corrective-action closure.
  • Fixing only the immediate symptom.
  • Not identifying the root cause.
  • Assigning actions to teams instead of accountable individuals.
  • Setting unrealistic due dates.
  • Allowing actions to remain overdue without escalation.
  • Closing actions without evidence.
  • Closing actions without verification.
  • Ignoring recurring findings.
  • Changing due dates without documenting the reason.
  • Accepting residual risk without appropriate approval.
  • Tracking only audit findings while ignoring incident and vulnerability actions.
  • Storing credentials or secrets in the tracker.

38. Relationship With Other ISMS Documents

DocumentRelationship
Security Findings RegisterIdentifies and records findings
Information Security Review ReportProvides review results
Internal Audit ReportGenerates audit findings
Independent Review ReportGenerates independent-review findings
Incident RegisterGenerates incident-related actions
Risk RegisterTracks associated security risks
Vulnerability RegisterTracks technical weaknesses
Risk Acceptance RegisterRecords accepted residual risks
Management ReviewReviews significant corrective actions
ISMS Improvement LogTracks broader improvement activities

39. ISO/IEC 27001 Connection

A Corrective Action Tracker supports the organization’s management of nonconformities, corrective actions, identified weaknesses, risks, and continual improvement.

The tracker itself is not a universally prescribed ISO/IEC 27001 form. The organization should define its corrective-action process according to its ISMS, risk methodology, internal audit arrangements, security review process, business requirements, and applicable legal, regulatory, and contractual obligations.

The organization should distinguish between:

  • Immediate correction
  • Root-cause analysis
  • Corrective action
  • Risk treatment
  • Effectiveness verification
  • Formal risk acceptance

40. Audit Evidence

Retain appropriate evidence such as:

☐ Original finding
☐ Requirement reference
☐ Risk assessment
☐ Root-cause analysis
☐ Immediate correction evidence
☐ Corrective-action plan
☐ Action-owner assignment
☐ Progress records
☐ Remediation evidence
☐ Verification evidence
☐ Effectiveness assessment
☐ Residual-risk assessment
☐ Risk acceptance
☐ Closure approval
☐ Management escalation
☐ Trend analysis

Evidence should be protected against unauthorized modification and access.


41. Final Corrective Action Audit Trail

For every significant corrective action, the organization should be able to demonstrate:

What issue was identified?
What requirement or risk was involved?
What was the root cause?
What immediate correction was performed?
What corrective action was defined?
Who owns the action?
What was the target date?
What progress was made?
What evidence demonstrates completion?
Who verified the action?
Was the action effective?
What residual risk remains?
Was risk acceptance required?
Was the issue recurring?
When was the action closed?
What improvement was achieved?

Final Principle

A corrective action is not complete merely because the action was performed. It is complete when the underlying issue has been appropriately addressed, objective evidence supports the result, effectiveness has been evaluated where necessary, and the remaining risk has been properly managed.