Use continuous identity analytics, context-rich review workflows, and automated remediation for routine cases. Certifications still have value, but they should validate decisions that have already been prioritised by risk signals rather than acting as the only place risk is discovered. That approach reduces delay, improves decision quality, and makes revocation more timely.
Why This Matters for Security Teams
Annual certifications are useful for governance, but they are a weak primary control when identity risk changes faster than the review cycle. Access rights drift, business roles shift, and privileged entitlements accumulate between review windows. For NHIs, the problem is sharper because credentials can be copied, shared, or embedded in automation without the usual human cues that trigger manager scrutiny.
That is why current guidance increasingly favors continuous identity analytics and risk-based review over calendar-driven attestations alone. NHI governance teams should also pay attention to the NIST Cybersecurity Framework 2.0, which emphasises ongoing risk management rather than one-time validation. NHIMG research shows how severe the confidence gap is: only 1.5 out of 10 organisations are highly confident in securing NHIs, according to The State of Non-Human Identity Security, which is a strong signal that periodic review alone is not keeping pace with exposure.
In practice, many security teams discover excessive access only after a credential is abused, rather than through intentional review design.
How It Works in Practice
The practical alternative is to treat access review as a decisioning workflow, not a compliance event. Security teams start by collecting identity telemetry from directory systems, cloud platforms, PAM tools, SaaS, and NHI inventories. They then enrich each entitlement with context such as last use, privilege level, resource sensitivity, owner, peer grouping, and recent anomalies. That makes it possible to prioritise what actually needs human judgement.
A risk-based workflow usually follows three steps:
- Continuously score access based on freshness, privilege, and behaviour, not just role membership.
- Auto-remediate low-risk cases, such as stale, unused, or clearly orphaned access, with approval logs preserved for audit.
- Route ambiguous or high-impact cases to reviewers with context, so certification becomes confirmation of a prior risk signal, not the first discovery mechanism.
This approach aligns with identity governance principles in OWASP Non-Human Identity Top 10, particularly where over-privilege, secret sprawl, and lifecycle gaps create avoidable exposure. It also maps cleanly to NHIMG guidance in Top 10 NHI Issues, which highlights how unmanaged machine access often persists because review processes are too slow to catch it.
For routine access, best practice is evolving toward automated revocation, just-in-time approval, and exception handling based on policy-as-code. These controls tend to break down when entitlement data is fragmented across too many systems because the review engine cannot reliably determine what is still active, who owns it, or whether it is actually used.
Common Variations and Edge Cases
Tighter continuous review often increases operational overhead, requiring organisations to balance faster revocation against reviewer fatigue and integration cost. That tradeoff is especially visible in enterprises with mixed human and non-human access, where a single entitlement may map to multiple workflows and ownership chains.
There is no universal standard for review frequency yet, but current guidance suggests shortening cycles for privileged, external, and high-risk access while allowing lower-risk entitlements to be handled through automated disposition. The key is to separate simple cases from decision-worthy cases. If an account has not been used, is tied to a decommissioned system, or exceeds a policy threshold, automated removal is usually more defensible than waiting for an annual sign-off.
Teams should also be careful not to turn analytics into a new form of checkbox governance. A risk score is only useful if it drives action, and action must be reversible when business need is legitimate. For deeper context on how persistent machine access becomes a hidden attack path, see 52 NHI Breaches Analysis. In environments with highly dynamic DevOps pipelines, ephemeral workloads, or poorly tagged service accounts, even strong analytics can miss ownership and usage signals, which makes continuous review less reliable unless identity data is normalised first.
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 AI RMF set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AC-1 | Continuous review directly supports managing access based on current need. |
| OWASP Non-Human Identity Top 10 | NHI-03 | Risk-based review helps catch stale or over-privileged non-human access. |
| NIST AI RMF | Continuous monitoring and human oversight align with managing evolving identity risk. |
Replace annual certification with continuous entitlement monitoring and prompt removal of unjustified access.
Related resources from NHI Mgmt Group
- How should NHS security teams reduce privileged access risk without disrupting clinical operations?
- How should security teams reduce privileged access risk in OT without causing downtime?
- How should security teams reduce MFA fatigue risk without weakening access control?
- How should security teams reduce OT remote access risk without blocking maintenance work?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on June 25, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
