They often review the credential holder without checking whether the underlying workload still needs the access. For NHIs, entitlement review has to validate purpose, ownership, and runtime necessity, not just account existence. If the identity survives after the workload changes, the review has missed the actual risk.
Why This Matters for Security Teams
entitlement reviews for machine identities fail when they are treated like human access recertification. A service account, API key, or workload token is not valuable because of who “owns” it, but because of what it can do right now, in which system, and under which runtime conditions. That is why NHI Management Group’s Ultimate Guide to NHIs treats visibility, ownership, rotation, and offboarding as lifecycle controls, not paperwork.
Security teams often miss the difference between account existence and actual necessity. If the business process has changed, the entitlement may still pass review even though the workload no longer needs it. That leaves dormant privilege in place, which is especially dangerous for NHIs because they are commonly over-privileged and hard to spot. The NIST Cybersecurity Framework 2.0 reinforces this operationally: access governance has to be continuous, evidence-based, and tied to asset context, not one-time approval.
NHI Mgmt Group data shows that only 5.7% of organisations have full visibility into their service accounts, which helps explain why reviews so often become stale inventory checks rather than risk decisions. In practice, many security teams encounter privilege creep only after a workload change or breach has already exposed the gap, rather than through intentional review.
How It Works in Practice
Effective entitlement review for NHIs starts with three questions: does the workload still exist, does it still need this access, and does the entitlement still match the current operating context? That means reviewers need more than an account owner name. They need workload purpose, deployment scope, data sensitivity, secret location, token lifetime, and evidence of actual use. Current guidance suggests aligning this work with continuous governance rather than annual certification cycles.
A practical review process usually includes:
- Map each NHI to a named workload, pipeline, integration, or agent.
- Confirm the business purpose and the current technical owner.
- Check last-used signals, scope of privileges, and secret age.
- Remove access that is no longer required, even if the identity still exists.
- Reissue or rotate credentials when the workload context changes.
That approach fits the broader NHI lifecycle guidance in the Ultimate Guide to NHIs, especially where offboarding and rotation are often weak. It also aligns with NIST’s emphasis on stronger governance in the NIST Cybersecurity Framework 2.0, which pushes organisations toward measurable, repeatable access decisions.
For machine identities, entitlement review should also consider whether static credentials should be replaced with short-lived tokens, JIT access, or workload-based identity controls. Organisations that rely on permanent secrets often discover that the review process cannot keep pace with CI/CD changes, ephemeral infrastructure, or third-party integrations. These controls tend to break down when entitlements are embedded in build pipelines and container images because the access path is distributed across too many systems to validate manually.
Common Variations and Edge Cases
Tighter entitlement control often increases operational overhead, requiring organisations to balance risk reduction against the speed of delivery. That tradeoff is real, especially where teams manage thousands of service accounts or short-lived cloud workloads. Best practice is evolving, but the direction is clear: review should focus on runtime necessity, not just the existence of an identity.
One common edge case is break-glass access for automation, where a job may need elevated privileges only during incident response or release windows. Another is shared infrastructure identities, where multiple workloads use the same credential. In both cases, a simple recertification checkbox can hide the real risk, because it does not reveal who is actually using the access or whether the entitlement is still bounded by purpose.
NHIMG research also shows that secrets management failures are often part of the same problem. The JetBrains GitHub plugin token exposure case is a reminder that credentials can remain exposed long after the original workflow has changed. That is why entitlement review must include secret hygiene, rotation status, and revocation readiness, not just approval history. If a team cannot prove that a machine identity is still needed today, the safest assumption is that the entitlement is already stale.
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 and CSA MAESTRO address the attack and risk surface, while NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-01 | Reviewing purpose and ownership prevents stale machine identity entitlements. |
| NIST CSF 2.0 | PR.AC-4 | Access permissions must be recertified against current business need. |
| CSA MAESTRO | I-2 | Agent and workload identities need lifecycle governance and runtime checks. |
Tie each NHI entitlement to an approved workload purpose and remove access when that purpose ends.
Related resources from NHI Mgmt Group
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Reviewed and updated by the NHIMG editorial team on June 23, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
