Security teams should route high-risk requests through explicit approval workflows with clear approvers, justification, and audit logging. The goal is not to slow everything down, but to ensure that sensitive entitlements are reviewed by the people responsible for the resource before access is fulfilled.
Why This Matters for Security Teams
High-risk cloud resources are where access governance becomes operational, not theoretical. A database snapshot, signing key, production storage bucket, or privileged automation role can turn a routine approval into a material security event if it is granted too broadly, too long, or without a clear owner. Current guidance suggests that the approval path must reflect the sensitivity of the resource, not just the identity of the requester. That is why teams often pair approval workflows with resource ownership, justification capture, and audit evidence.
This matters even more for non-human access, where requests may come from service accounts, agents, or pipelines rather than employees. The 2024 Non-Human Identity Security Report found that 88.5% of organisations say their non-human IAM practices lag behind or only match their human IAM efforts, which is a clear sign that legacy approval patterns are not keeping pace with cloud complexity. Security teams should also align with the NIST Cybersecurity Framework 2.0 and the OWASP Non-Human Identity Top 10 when defining who can approve, what evidence is required, and how access is reviewed. In practice, many security teams discover weak approval controls only after a privileged request has already been fulfilled without meaningful challenge.
How It Works in Practice
Governance for high-risk access works best when the workflow is specific to the resource and the privilege level. A request should identify the exact cloud asset, the scope of access, the business justification, the expected duration, and the approving owner. For non-human identities, that approval should be tied to the workload, pipeline, or agent that will use the entitlement, not just the team name.
Most mature programs separate low-risk self-service from high-risk approval paths. Low-risk access may be handled through policy automation, but sensitive entitlements should require explicit human review, often from the resource owner plus a security checkpoint for the highest tiers. This is consistent with the operational direction described in Ultimate Guide to NHIs — Regulatory and Audit Perspectives, where evidence, traceability, and revocation are treated as first-class control objectives. Security teams should also record the decision context in a durable audit trail, including approver identity, time, policy version, and expiration date.
A practical control set often includes:
- resource classification so only high-risk assets enter the approval queue
- named approvers based on data ownership or platform stewardship
- JIT or time-bound access so approvals expire automatically
- policy checks that validate justification against current context
- post-approval logging and periodic review for repeat requests
Where possible, approval logic should be expressed in policy-as-code so the same rule set governs cloud consoles, CI/CD pipelines, and automated workflows. This reduces drift and makes revocation easier when the request no longer matches the approved purpose. These controls tend to break down in multi-cloud environments with inconsistent entitlement models because approval metadata does not map cleanly across platforms.
Common Variations and Edge Cases
Tighter approval control often increases delay and reviewer workload, so organisations must balance speed against assurance. That tradeoff becomes visible when requests are frequent, emergency access is common, or teams operate across multiple clouds with different native approval features. In those cases, best practice is evolving rather than settled: there is no universal standard for exactly how many approvers are required, but high-risk resources should never rely on a single informal sign-off.
One common edge case is break-glass access. Emergency access should be pre-planned, heavily logged, and automatically reviewed after use, rather than exempted from governance altogether. Another is delegated administration, where a platform team may approve access for many resources but should not be the sole reviewer for business-sensitive data. Security teams should also consider whether the request is for a human, a service account, or an autonomous workload. For the latter, the approval should connect to workload identity and task scope, not just a static role.
The 2024 ESG Report: Managing Non-Human Identities shows how often organisations already suspect or confirm NHI compromise, which is a reminder that approval design is only one layer of defense. For implementation guidance, the Top 10 NHI Issues helps teams prioritise the surrounding controls that prevent approved access from becoming persistent privilege.
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-4 | High-risk approvals are an access-management control tied to least privilege. |
| OWASP Non-Human Identity Top 10 | NHI-03 | Approval workflows reduce risky standing access for non-human identities. |
| NIST AI RMF | GOVERN | Governance is needed to assign accountability for high-risk access decisions. |
Require approved, time-bound entitlements and review them against least-privilege before granting cloud access.
Related resources from NHI Mgmt Group
- How should security teams govern non-human identities that have persistent access?
- How should security teams govern non-human identities in cloud environments?
- How should security teams govern API keys used for generative AI access?
- How should security teams govern high-risk ERP transactions beyond access reviews?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on June 12, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
