By NHI Mgmt Group Editorial TeamBased on OpenIAM: “Why Managers Approve Access They Don't Understand During Access Reviews” (April 8, 2026)

TL;DR: Access reviews can complete on schedule while still producing approvals based on assumption, because managers are often asked to certify entitlements they cannot understand or risk-rate, according to OpenIAM. The governance gap is not review volume but decision quality: if access is not legible, certification becomes paperwork, not control.


At a glance

What this is: This analysis says access reviews often look successful on paper while failing in practice because reviewers cannot understand, contextualise, or risk-rate the entitlements they certify.

Why it matters: It matters because IAM and IGA teams need to treat decision quality as the control objective, not just review completion, if they want access recertification to reduce real privilege risk.


Context

Access reviews are supposed to validate whether access is still justified, but that control only works when reviewers can understand what they are approving. When entitlements are cryptic, business context is missing, and risk is invisible, certification turns into a checkbox exercise rather than a governance decision.

OpenIAM's article argues that the failure is not review volume but decision quality. For IAM and IGA programmes, that means access review design has to focus on the legibility of entitlements, the context behind them, and the risk signals shown at the point of approval.


Key questions

Q: How should security teams design access reviews so managers can make real decisions?

A: Security teams should present access in business terms, show why it was granted, and include enough context for the reviewer to judge current need. If a manager cannot interpret the entitlement, the review is measuring familiarity rather than governance. Decision quality improves when the workflow makes the right answer obvious at the point of certification.

Q: Why do access reviews still fail even when completion rates are high?

A: High completion rates do not prove that the right identities, entitlements, or systems were reviewed. If discovery is incomplete, scoping is weak, or remediation never happens, the organisation has process compliance but not control effectiveness. The failure is usually structural, not motivational.

Q: What are the signs that an access review process is failing in practice?

A: A failing access review process usually shows up as long approval cycles, overloaded reviewers, repeated manual preparation, and heavy engineering effort just to launch each campaign. If reviewers need multiple sources to understand a user’s access, or facilitators spend weeks coordinating certifications, the process is not scaling. Those are clear signs the workflow needs better automation and better access context.

Q: How do you know if access review context is good enough?

A: Context is good enough when a reviewer can identify what the entitlement does, why it exists, who owns it, and whether the risk justifies keeping it. If any of those elements is unclear, the review is incomplete in practice even if the workflow is finished.


Technical breakdown

Why reviewer legibility is the first control requirement

Access reviews depend on a human or delegated reviewer being able to interpret an entitlement and decide whether it still fits the user's role. If the entitlement name is system-generated, the underlying business function is hidden, or the reviewer lacks enough context to judge risk, the certification workflow still completes but the control signal is weak. In practice, the review becomes a record of attendance rather than evidence of evaluation. That is why access review programmes fail quietly: the process is intact, but the information model is not. This is an identity governance problem, not a scheduling problem.

Practical implication: treat entitlement legibility as a prerequisite for certification, not a reporting enhancement.

Why missing business context turns review into assumption

A reviewer does not need to know every technical detail, but they do need enough business meaning to answer three questions: what the access enables, why it was granted, and whether the original need still exists. Without that context, reviewers infer from familiarity, tenure, or convenience, which creates approvals that feel reasonable but are not actually validated. This is the structural gap in many access review programmes: the system presents access items as isolated objects, while governance decisions require a story about purpose, ownership, and current relevance. When the story is absent, the decision quality drops sharply.

Practical implication: surface grant purpose, ownership, and current business role alongside the entitlement itself.

How risk visibility changes certification outcomes

Risk visibility is the difference between uniform approval lists and meaningful scrutiny. When reviewers cannot see whether access is privileged, tied to a regulated system, or granted under exception, all entitlements appear similar and the safest default becomes approval. That flattens governance judgment and allows excess access to persist across reviews. The article shows that the problem is not simply that reviewers say yes too often, but that the interface gives them no reason to distinguish high-risk access from routine access. In identity governance terms, the control fails at presentation time, before the decision is even made.

Practical implication: add risk signals to review workflows so privileged or sensitive access is singled out before certification.


NHI Mgmt Group analysis

Decision quality, not review completion, is the real governance control: access reviews can produce clean completion metrics while still failing to validate whether access is justified. The problem is structural because certification workflows often ask reviewers to approve entitlements they cannot interpret. Governance teams should stop treating completion rate as evidence of control effectiveness.

Access review programmes collapse when entitlements are not legible: the assumption that managers can validate access only holds when the access item is understandable in business terms. Cryptic naming, missing context, and absent risk cues force reviewers into assumption-based approvals. The result is a process that documents participation rather than judgment.

Risk must be visible at the point of certification: privileged access, regulated systems, and exception-based grants need to stand out inside the review itself. When everything is presented as roughly equivalent, scrutiny is evenly distributed and high-risk access escapes attention. This is why access review design is an information problem before it is a workflow problem.

Access review transparency should be designed for accountability, not convenience: ownership, original grant reason, and current business need are the minimum fields that make certification meaningful. Without them, reviewers cannot distinguish inherited access from justified access. Programmes that want consistent outcomes need to make the decision obvious, not merely possible.

From our research library:

What this signals

Review completion is not governance: programmes that optimise for throughput can still approve access on the basis of assumption. The practical test is whether a reviewer can explain the entitlement in business terms before signing off, because certification without understanding leaves the access lifecycle unchanged.

Access reviews need legible context to work: entitlement meaning, ownership, and risk have to be visible at the decision point or managers will default to inference. That is the governance gap many IGA teams miss when they focus on workflow efficiency instead of decision quality.


For practitioners

  • Rebuild review screens around business meaning Show what each entitlement enables in plain language, including the business function, data touched, and action scope, so reviewers are not certifying system labels.
  • Expose risk cues at certification time Flag privileged entitlements, regulated systems, and exception-based access directly in the review workflow so high-risk items do not blend into routine approvals.
  • Require ownership and grant rationale Attach the approval owner, original business justification, and current role context to each access item so reviewers can judge whether the need still exists.

Key takeaways

  • Access review programmes can look healthy while failing to validate the access they certify.
  • The main weakness is decision quality, especially when reviewers lack business context and risk cues.
  • Making entitlements legible at certification time is what turns access review activity into actual governance.

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, CIS Controls v8 and NIST SP 800-53 Rev 5 set the technical controls, while ISO/IEC 27001:2022 defines the regulatory obligations.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AA-05 — Access Permissions, Entitlements and AuthorizationsThe article is about whether access reviews actually validate permissions and entitlements effectively.
Recommendation — Map review workflow outputs to PR.AA-05 and verify that entitlements are understandable before certification.
CIS Controls v8CIS-5 — Account ManagementAccount review quality is a core account management concern when approvals become assumption-based.
Recommendation — Use CIS-5 to tighten account review evidence so certifiers see accountable, current access context.
NIST SP 800-53 Rev 5AC-6 — Least PrivilegeUnchallenged approvals allow excess access to persist, undermining least privilege.
Recommendation — Apply AC-6 to remove access that cannot be justified during review.
ISO/IEC 27001:2022A.5.18 — Access rightsThe article maps directly to periodic validation of access rights and ownership.
Recommendation — Review access rights against A.5.18 and ensure approvals are based on documented business need.

Key terms

  • Access Review Decision Quality: The degree to which access certification decisions are based on real understanding rather than habit, assumption, or workflow completion. In identity governance, decision quality depends on whether the reviewer can interpret the entitlement, its business purpose, and its risk before approving or revoking it.
  • Entitlement Legibility: Entitlement legibility is the extent to which access can be understood by the person reviewing it. Clear naming, business context, and visible risk markers make entitlements legible. Poor legibility turns certification into assumption-driven approval and weakens governance outcomes.
  • Risk Visibility: The degree to which security teams can see where exposure exists, how controls relate to one another, and which events matter most. It is not just data collection. It is the ability to turn telemetry into a practical view of attack paths, priority threats, and the controls that need attention.
  • Context-Aware Certification: Context-aware certification is the review of access based on what the identity is actually doing at runtime, not just what it was allowed to do when provisioned. For AI agents and machine identities, it requires telemetry, task scope, and clear ownership to make the review meaningful.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM programme, it is worth exploring.
NHIMG Editorial Note
Published by the NHIMG editorial team on July 8, 2026.
Updated on October 11, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org