Design campaigns around business units, applications, or entitlement types so reviewers see only relevant access. Keep each review short, use clear decision options, and automate data collection where possible. The goal is to make certification repeatable, reduce reviewer fatigue, and preserve audit quality while keeping least privilege aligned with changing roles and responsibilities.
Why This Matters for Security Teams
access certification campaigns fail when they become a broad administrative exercise instead of a risk control. In large organisations, reviewers quickly lose context if they are asked to validate every entitlement in one pass, and stale or irrelevant entries start slipping through. That creates an audit-friendly process on paper but a weak least-privilege signal in practice. Current guidance from the OWASP Non-Human Identity Top 10 and NIST control baselines both point toward scoped, repeatable review processes rather than one-size-fits-all certification.
The real challenge is scale. Review volume rises faster than business understanding, especially when access is grouped by org chart alone. Teams that do not segment campaigns by business unit, application, or entitlement type end up forcing approvers to make guesses. NHIMG’s Ultimate Guide to NHIs shows how identity sprawl makes oversight harder once access is distributed across many systems and owners. In practice, many security teams discover broken certification discipline only after an audit exception, a user transfer, or an incident has already exposed the gap.
How It Works in Practice
Sustainable certification design starts by narrowing the decision surface. Each campaign should answer one question set for one audience, with enough context for a reviewer to make a fast decision without researching the entitlement from scratch. That usually means grouping by application owner, business function, data sensitivity, or entitlement type, then setting a review cadence based on risk rather than calendar convenience. For privileged or high-impact access, pair certification with stronger controls from NIST SP 800-53 Rev. 5 Security and Privacy Controls such as access enforcement, separation of duties, and periodic review.
Effective campaigns usually include:
- clear decision choices such as approve, revoke, or needs more context
- pre-filled evidence like manager, owner, last used date, and entitlement purpose
- routing rules that send each item to the person with real operational knowledge
- automation to collect usage data, joiner-mover-leaver events, and role mappings before the review starts
This is where NHIMG’s 52 NHI Breaches Analysis is useful as a warning: access issues often become visible only after privilege has already accumulated across systems. The same pattern appears in human access review programs when ownership is unclear and reviewers cannot distinguish dormant entitlements from active business need. The best campaigns therefore treat certification as a data quality workflow as much as a governance workflow, with exceptions handled separately rather than buried in the main queue. These controls tend to break down in organisations with fragmented identity sources and no reliable entitlement metadata because reviewers cannot validate what they cannot understand.
Common Variations and Edge Cases
Tighter certification scoping often increases process overhead, requiring organisations to balance review precision against campaign volume. That tradeoff is real in mergers, matrix organisations, and global enterprises where ownership shifts frequently and access is inherited across multiple systems. Current guidance suggests that there is no universal standard for campaign granularity yet, so the right design depends on how stable the entitlement model is and how many decisions a reviewer can reasonably make in one sitting.
Some environments need exceptions. Emergency access, temporary project access, and shared service accounts may need separate workflows because the approval logic differs from standard business access. Likewise, access tied to automation, integration users, or non-human identities should not be forced into a human-centric review model. NHIMG’s Ultimate Guide to NHIs — Key Challenges and Risks helps explain why non-human access often needs different review criteria, especially when secrets, tokens, or API keys are reused across services. For that reason, many teams align certification with identity type and operational criticality rather than trying to make every access item fit the same campaign format.
Where the organisation lacks accurate ownership, usage telemetry, or a clean entitlement catalogue, certification will degrade into checkbox approvals and mass revocations that create business friction without improving control.
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, NIST SP 800-63, NIST Zero Trust (SP 800-207) and NIST AI RMF set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AC-1 | Certification campaigns support least-privilege and access accountability. |
| NIST SP 800-63 | Identity assurance depends on reliable review of who retains access and why. | |
| NIST Zero Trust (SP 800-207) | SP 800-207 | Zero trust requires continuous access validation rather than periodic rubber-stamping. |
| OWASP Non-Human Identity Top 10 | NHI-06 | NHI access reviews must account for tokens, secrets, and non-human ownership. |
| NIST AI RMF | Governance needs repeatable, accountable review processes for dynamic systems. |
Define owners, review cadence, and escalation paths for access decisions as a governance control.
Related resources from NHI Mgmt Group
- How should security teams run access reviews for non-human identities?
- What do security teams get wrong about role design and access governance in ERP cloud projects?
- How should security teams reduce segregation of duties risk when access reviews span multiple SaaS and ERP applications?
- How should security teams design app request workflows so employees get access quickly without creating shadow IT risk?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on August 27, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
