They often assume HR data alone is enough, but the access decision also depends on accurate application role design and consistent workflow ownership. If HR, product, and IT are not aligned, reviews become disconnected from real work and least privilege turns into paperwork rather than enforced governance.
Why HR-Driven UAR Breaks Down for Real Access Decisions
HR-led user access reviews are useful for confirming employment status, but they are not enough to determine whether access is still justified in practice. The common mistake is treating HR records as the source of truth for entitlements that actually depend on application ownership, workflow design, and business context. When those signals are out of sync, reviewers approve or remove access based on incomplete information, and the process becomes a compliance ritual instead of a control. That is exactly why NHI Mgmt Group warns that visibility and lifecycle discipline matter as much as identity records in the Ultimate Guide to NHIs.
This gap is especially visible in environments that still map access by department or job title alone. A role may look correct in HR, but the actual application entitlement may be owned by IT, product, or a platform team with different approval logic. The result is review fatigue, inconsistent evidence, and lingering privileges that no one fully owns. NIST’s NIST Cybersecurity Framework 2.0 reinforces that governance only works when roles, responsibilities, and controls are tied to operational reality. In practice, many security teams discover broken access review logic only after a audit exception, a joiner-mover-leaver dispute, or a privilege has already persisted long past its business need.
How HR Data Should Fit Into a Better Review Workflow
HR data is still valuable, but only as one input into a broader entitlement decision. Best practice is to treat UAR as a cross-functional workflow that combines HR status, application ownership, RBAC design, and ticket or workflow evidence. HR can confirm whether a person is active, on leave, terminated, or transferred. It cannot reliably answer whether a Salesforce admin role, API token, or shared service account is still needed. That distinction matters because access is often granted through systems that never appear in the HR record.
Operationally, the strongest UAR programs separate three questions:
- Is the identity still valid?
- Does the business role still require this access?
- Who is accountable for approving or revoking it?
That model works best when HR, IT, and application owners share a common entitlement catalog and review cadence. It also helps to use consistent owner labels so reviewers are not guessing who should sign off. NHI Mgmt Group’s Ultimate Guide to NHIs highlights the same lifecycle problem for machine identities: when ownership is unclear, access survives long after it should have been revoked. Current guidance suggests that UAR should be evidence-driven and workflow-backed, not just spreadsheet-based. These controls tend to break down when identity data is fragmented across HR, SaaS admin consoles, and custom applications because reviewers cannot reliably verify actual entitlement ownership.
Common Edge Cases That Expose Weak HR-Only Reviews
Tighter review scope often improves assurance, but it also increases operational overhead, so organisations have to balance precision against reviewer fatigue. The hardest cases are the ones where HR is silent but access is still active: contractors whose records live outside HR, shared accounts, non-human identities, and temporary project entitlements that outlast the assignment. In those cases, HR-driven UAR can create false confidence because the review says “approved” even though the real access owner was never consulted.
Another common failure mode is organisational drift. A person may move teams, inherit new applications, or keep access because a manager assumes the system owner will handle it. If ownership metadata is stale, the review becomes a checkbox exercise. The NHI Mgmt Group data point that only 5.7% of organisations have full visibility into service accounts is a useful warning sign: if teams cannot see machine identity ownership clearly, they usually struggle to maintain accurate entitlement ownership for human users as well. Best practice is evolving, but current guidance suggests using HR for lifecycle triggers, application teams for entitlement validation, and security for policy enforcement. There is no universal standard for this yet, but the direction is clear: reviews fail when the business process, not just the person, is missing from the control. In practice, many organisations uncover that gap only after access recertification has already been signed off and the wrong privilege remains active.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 address the attack and risk surface, while NIST CSF 2.0 and NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AA-01 | UAR depends on accurate identity and access data across systems. |
| NIST CSF 2.0 | PR.AC-4 | Periodic access review and revocation map directly to entitlement governance. |
| OWASP Non-Human Identity Top 10 | NHI-01 | Ownership and lifecycle gaps affect both human and non-human access reviews. |
Validate who approved access, then remove entitlements with no current business need.
Related resources from NHI Mgmt Group
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Reviewed and updated by the NHIMG editorial team on June 24, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
