By NHI Mgmt Group Editorial TeamPublished 2026-07-09Domain: Governance & RiskSource: SecurEnds

TL;DR: IAM tools can authenticate users and grant access, but audits often require proof of approval, review, remediation, and removal, according to SecurEnds. The compliance gap is not broken access control, but missing governance evidence that turns valid access into unproven access.


At a glance

What this is: This is an analysis of why IAM alone often fails to satisfy audit expectations, and why IGA is needed to prove access was approved, reviewed, remediated, and removed.

Why it matters: It matters because identity teams must connect IAM, IGA, and lifecycle controls if they want to reduce audit findings across human identities, service accounts, and privileged access.

By the numbers:

👉 Read SecurEnds' analysis of IAM compliance gaps and IGA


Context

IAM compliance gaps appear when access can be technically valid but still fail governance scrutiny. In practice, IAM confirms authentication and entitlement, while audit and control teams need evidence that access was approved, reviewed, justified, remediated, and removed when no longer needed.

That distinction matters across human identity, privileged access, and non-human identities. When organisations rely on directories, groups, and provisioning records alone, they often cannot answer the audit questions that prove accountability over time, especially where role changes, contractors, and privileged workflows are involved.


Key questions

Q: How should security teams close IAM compliance gaps without replacing IAM?

A: Security teams should keep IAM for authentication and access enforcement, then add IGA for approvals, access reviews, remediation tracking, and audit reporting. The practical goal is to make every high-risk entitlement traceable from request to removal. Without that governance layer, IAM can show access exists but cannot prove it is still justified.

Q: Why do access reviews fail to satisfy audits even when they are completed?

A: Access reviews fail when they do not produce a closed evidence chain. Auditors need to see who reviewed the access, what was reviewed, what decision was made, and whether any removal or exception was completed. A completed review without traceable remediation is activity, not defensible control.

Q: What do security teams get wrong about IAM and IGA?

A: Teams often assume IAM lifecycle tasks are enough to satisfy governance and compliance requirements. IAM can provision and revoke access, but IGA is what proves the access was appropriate, reviewed, and corrected over time. The mistake is treating current access state as audit evidence.

Q: Who should own evidence for access approvals and removals?

A: Business owners should approve access, application owners should review it, and identity teams should preserve the evidence and enforce completion. If ownership is unclear, reviews drift into shared responsibility with no one accountable for the final decision. Clear ownership is what makes access governance auditable.


Technical breakdown

Why IAM evidence is not the same as governance evidence

IAM is designed to establish and enforce access. It answers whether a subject can authenticate and reach a system, often through SSO, MFA, provisioning, and role assignment. Governance evidence is different. It proves that the access was requested for a business reason, approved by the right owner, reviewed on a schedule, and removed when the need ended. In audit terms, IAM shows state, while IGA shows control over that state. That gap becomes visible when reviewers need timestamps, approvers, exceptions, and remediation history rather than only a current entitlements snapshot.

Practical implication: Treat IAM outputs as starting evidence only, and bind them to approval and review records before audit season.

Access reviews, certification, and remediation tracking

Access certification is the process of asking an accountable reviewer whether access should remain in place. The value is not the review alone, but the closed loop: identify access, assign a reviewer, capture the decision, and prove remediation if access is rejected or modified. Without that loop, organisations end up with review activity that looks complete but does not produce defensible evidence. This is why spreadsheets and email chains fail under audit pressure. They fragment decisions, weaken traceability, and make it difficult to show that exceptions were time-bound and actually resolved.

Practical implication: Use a workflow that ties each certification decision to a tracked removal, exception, or reapproval record.

Segregation of duties and lifecycle-driven access change

Segregation of duties, or SoD, is about preventing one identity from holding conflicting permissions that enable fraud or misuse. The control becomes stronger when paired with lifecycle events such as joiner, mover, and leaver changes. A job change should trigger access removal and re-evaluation, not just new access assignment. That matters because privilege creep usually happens gradually, as old entitlements linger while new ones are added. IGA adds policy checks and lifecycle governance that IAM alone usually does not enforce across business contexts and application silos.

Practical implication: Revalidate entitlements at role changes and SoD conflicts before the next certification cycle, not after it.



NHI Mgmt Group analysis

IAM controls access, but IGA proves accountability. The article’s central point is structurally correct: authentication and provisioning are not the same as governance evidence. Access can exist in a system and still be indefensible in an audit if approval history, review decisions, and remediation status are missing. The implication is that security leaders should stop treating entitlement data as proof of control.

IAM compliance gaps are really lifecycle gaps in disguise. Most audit failures here come from access that outlives the business event that created it, whether that event is a role change, a contractor offboarding, or a privileged exception. The control problem is not login, it is failure to keep access aligned with current purpose. Practitioners should interpret these gaps as evidence that lifecycle governance is incomplete.

Access certification only works when it produces a closed evidence chain. A review that lacks approver identity, decision record, exception tracking, and removal confirmation is not control, it is activity. That distinction matters for SOX, HIPAA, SOC 2, and internal audits alike. The practitioner conclusion is simple: if an access review cannot be reconstructed end to end, it did not really happen.

Standing privilege in review workflows is the hidden failure mode. Once high-risk access is embedded in roles, groups, and application-level permissions, organisations often assume periodic review will catch it. In practice, that assumption fails when entitlement ownership is unclear or review fatigue is high. The implication is that privilege risk must be governed as a lifecycle condition, not a one-time access event.

Audit readiness is becoming an identity architecture requirement, not a reporting task. The more business systems move into SaaS and distributed admin models, the less defensible it becomes to assemble evidence after the fact. Governance has to be designed into the identity operating model from the start. Practitioners should align IGA, provisioning, remediation, and reporting as one control plane.

From our research:

  • Only 20% have formal processes for offboarding and revoking API keys, and even fewer have procedures for rotating them, according to the Ultimate Guide to NHIs.
  • 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures.
  • For a lifecycle-first view of this gap, see NHI Lifecycle Management Guide, which explains how provisioning, rotation, and offboarding need to be governed together.

What this signals

Identity governance is becoming the control layer that turns access into evidence. As more organisations spread access across SaaS, cloud, and privileged workflows, the old assumption that IAM output equals audit proof keeps failing. Teams should expect more pressure to unify access reviews, approval histories, and remediation records inside the identity programme rather than in spreadsheets or ticket trails.

Lifecycle discipline now matters as much for human access as it does for machine access. The same governance failure pattern appears whenever access outlives the business event that created it. That means JML, recertification, and exception handling should be designed as one operating model across human accounts, service accounts, and privileged roles.

With only 20% formal offboarding and revocation processes, identity teams are already operating with a broad governance deficit. That gap will widen if audit readiness remains a back-office reporting exercise instead of a built-in identity control. The practical signal is to tighten ownership, traceability, and exception closure now, before evidence quality becomes a recurring finding.


For practitioners

  • Map every critical entitlement to a named owner Assign approval and review ownership for financial, customer, privileged, and regulated application access so auditors can see who is accountable for each entitlement. Use the same ownership model across directories and application-level permissions.
  • Bind access reviews to remediation completion Require every rejected or modified entitlement to produce a tracked removal, exception, or reapproval record before the certification can close. Preserve timestamps, reviewer identity, and final disposition for evidence.
  • Trigger access revalidation on joiner, mover, and leaver events Connect HR and identity workflows so role changes, transfers, and departures automatically reopen access decisions for review. This reduces privilege creep and keeps old access from surviving the business event that created it.
  • Add segregation of duties checks before certification cycles Run SoD policy checks across finance, procurement, payroll, and administrative systems before review campaigns begin, so conflicting access is flagged early rather than discovered during audit.

Key takeaways

  • IAM can show who can access a system, but IGA is what proves the access was approved, reviewed, and removed when needed.
  • Audit failures usually come from missing evidence and lifecycle drift, not from broken login controls.
  • The most defensible identity programmes tie access ownership, certification, remediation, and reporting into one governed workflow.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0 and NIST SP 800-53 Rev 5 set the technical controls, while ISO/IEC 27001:2022 define the regulatory obligations.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AC-4Access permissions and least privilege are central to the IAM versus IGA gap.
NIST SP 800-53 Rev 5AC-6Least privilege is the baseline control challenged by privilege creep and stale access.
ISO/IEC 27001:2022A.5.15Access control policy and governance are directly implicated by audit evidence gaps.

Document access control responsibilities and verify that approval and review evidence is retained.


Key terms

  • Identity Governance And Administration: Identity Governance and Administration is the control layer that proves access is appropriate, reviewed, and corrected over time. It sits above IAM, adding access certifications, approval tracking, remediation, and reporting so organisations can answer audit questions with evidence rather than snapshots.
  • Access Certification: Access certification is the periodic review of entitlements by an accountable owner to confirm whether access should remain. In practice, it must record the reviewer, decision, justification, and resulting remediation so the review can be defended as control rather than activity.
  • Segregation Of Duties: Segregation of duties is a policy control that prevents one identity from holding conflicting permissions that create fraud or misuse risk. It requires visibility across roles and applications so conflicting access can be detected before it becomes an audit issue or an operational abuse path.
  • Privilege Creep: Privilege creep is the gradual accumulation of permissions as users change roles, projects, or responsibilities. It happens when old access is left in place while new access is added, creating excessive entitlement that may still work technically but fails least-privilege and audit expectations.

What's in the full article

SecurEnds' full article covers the operational detail this post intentionally leaves for the source:

  • A practical breakdown of the specific audit evidence reviewers expect for approvals, certifications, and removals.
  • Examples of how the IGA layer supports remediation tracking across review workflows and access exceptions.
  • A more detailed comparison of IAM and IGA responsibilities in SOX, HIPAA, SOC 2, and FFIEC contexts.

👉 The full SecurEnds article covers access review evidence, remediation tracking, and audit readiness details.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity security are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an identity security programme, it is worth exploring.
NHIMG Editorial Note
Published by the NHIMG editorial team on 2026-07-09.
NHI Mgmt Group — the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org