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PCI DSS Gap Assessment: Template and Method

PCI DSS gap assessment method - scope the CDE, score requirements, prioritize remediation.

Published: September 2026 Compliance · PCI DSS 8-12 min read

A gap assessment compares your in-scope environment to applicable PCI DSS v4.0.1 requirements (or the SAQ questions you are eligible for). It is a readiness tool - not validation. Output: a prioritized remediation backlog, evidence gaps, and a realistic timeline to SAQ or ROC fieldwork.

Related: Checklist · Evidence list · Timeline · CDE scoping · 12-requirement hub.

Gotcha: A green internal gap score is not an AOC. QSAs re-test; do not recycle gap worksheets as attestation.

Gap Assessment Method

  1. Confirm merchant vs service provider; brand/acquirer level; candidate SAQ vs ROC
  2. Document CHD/SAD flows and CDE + connected-to / security-impacting inventory
  3. Select applicability (full DSS vs eligible SAQ question set)
  4. Score each requirement or question: In place / Partial / Not in place / Not applicable (with justification)
  5. Capture evidence links or mark “missing”
  6. Score risk and effort; build a 30/60/90-day remediation plan
  7. Re-test critical gaps before assessor fieldwork

Gap Template Columns

Req ID
Title
Applicability
Current state
Evidence
Gap
Owner
Target date
Priority
e.g. 10.2.1
Audit log events
Yes / N/A + why
In place / Partial / Not
Link or missing
Short description
Named owner
YYYY-MM-DD
P1–P3

Adapt columns to your GRC tool. Keep one row per SAQ question or DSS requirement you are scoring.

How CyberSilo Helps

Map PCI DSS v4.0.1 Controls to Continuous Evidence

CyberSilo CSA and ThreatHawk SIEM help merchants and service providers collect QSA-ready evidence across scoping, cloud, and SAQ/ROC validation paths.

Frequently Asked Questions

Who should run a gap assessment?

Internal owners plus an optional consultant. A QSA may offer readiness work, but ROC fieldwork remains a separate engagement.

How often should we re-run it?

Before each annual validation cycle and after any major CDE or payment-channel change.

Does an SAQ A merchant need a full DSS gap?

No - score the applicable SAQ questions, but confirm eligibility with your acquirer first.

Checklist · Evidence list · Timeline · CDE scoping · 12-requirement hub · Future-dated requirements · Customized Approach · TRA required elements · What is PCI DSS v4.0.1 · SAQ selector

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