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12/06/2026 1:03 am
TL;DR: ISO 27001 audits depend on evidence that controls, documentation, and access decisions are operating as designed, and the article ties audit readiness directly to internal reviews, external certification stages, and access governance, according to Zluri. The real constraint is not audit paperwork but whether identity review processes can prove least privilege before exceptions become findings.
NHIMG editorial — based on content published by Zluri: a complete guide to ISO 27001 audit readiness
By the numbers:
- Cyberattacks occur once every 39 seconds, and 95% are due to human error.
- 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools.
- 90% of IT leaders say properly managing NHIs is essential for a successful zero-trust implementation.
Questions worth separating out
Q: How should teams prepare access evidence for an ISO 27001 audit?
A: Teams should prepare access evidence by tying every entitlement to an owner, a review date, and a remediation record.
Q: Why do over-privileged accounts matter in ISO 27001 assessments?
A: Over-privileged accounts matter because they show that access is broader than business need and that the organisation may not be enforcing least privilege consistently.
Q: How can organisations tell whether audit controls are actually working?
A: Organisations can tell audit controls are working when reviews produce verified permission changes, exceptions are time-bound, and evidence is available without last-minute reconstruction.
Practitioner guidance
- Reconcile every access review to a permission change Track whether each completed review resulted in a revoke, approval, or documented exception.
- Maintain audit evidence continuously Store policies, risk treatment records, management review outputs, and access review logs in a single evidence chain so certification prep does not depend on manual reconstruction.
- Test entitlement hygiene before surveillance audits Sample over-privileged accounts, dormant access, and unresolved exceptions before auditors do, then confirm the remediation is reflected in live systems rather than only in spreadsheets.
What's in the full article
Zluri's full blog post covers the operational detail this post intentionally leaves for the source:
- Step-by-step guidance for internal audit preparation, including documentation review, fieldwork, analysis, and reporting.
- Detailed breakdown of certification, surveillance, and recertification stages for ISO 27001.
- Practical examples of access review automation and over-privileged access remediation in the Zluri platform context.
- FAQ answers about audit cadence, who can conduct audits, and what stage 1 certification review covers.
👉 Read Zluri's guide to ISO 27001 audit readiness and access review controls →
ISO 27001 audit readiness: where access reviews usually break?
Explore further
12/06/2026 10:42 am
ISO 27001 audit readiness is really an access governance problem. The article frames audits as documentation and process discipline, but the deeper issue is whether identity state matches declared policy at the moment of review. When access reviews are incomplete or stale, the organisation cannot prove that least privilege is operating as intended. Practitioners should treat audit readiness as a live governance condition, not a filing exercise.
A few things that frame the scale:
- 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools, according to Ultimate Guide to NHIs.
- 71% of NHIs are not rotated within recommended time frames, increasing the risk of compromise over time, according to NHI Mgmt Group research.
A question worth separating out:
Q: Who is accountable when an ISO 27001 audit finds access weaknesses?
A: Accountability should sit with the process owner for the affected control, supported by management review and a defined remediation owner. ISO 27001 audits expose governance failures when no one is responsible for closing the loop, so accountability must be explicit before the next audit cycle begins.
👉 Read our full editorial: ISO 27001 audit readiness depends on access review discipline
