Organisations should separate duties, define role boundaries, and make access conditional on the task at hand. Developers need enough control to support application delivery, while security and compliance teams need visibility into usage and audit history. This reduces friction without widening exposure, and it keeps certificate operations aligned with governance.
Why This Matters for Security Teams
Certificate management becomes a governance problem as soon as multiple teams can issue, renew, or deploy certificates. The technical risk is not just expiry. It is uncontrolled duplication, inconsistent ownership, and gaps in auditability when application teams move faster than central security can review. NHI Management Group’s The State of Non-Human Identity Security shows that lack of rotation, poor monitoring, and over-privilege are the main causes of NHI-related incidents, which maps directly to certificate workflows.
The practical challenge is collaboration without ambiguity. Developers need enough autonomy to keep services running, while security and compliance teams need evidence that certificates are issued, stored, and revoked under policy. That balance is easier when certificate authority, policy enforcement, and inventory visibility are separated from the people who consume the certificates. The NIST Cybersecurity Framework 2.0 reinforces this separation through accountability, governance, and control monitoring rather than shared access by default. In practice, many security teams encounter certificate sprawl only after an outage, audit finding, or emergency renewal has already created confusion.
How It Works in Practice
The cleanest operating model is a shared service with bounded authority. Security defines policy, approves high-risk actions, and maintains visibility. Platform or SRE teams run the operational tooling. Application teams request certificates through controlled workflows that are scoped to a workload, environment, or deployment event rather than a person’s standing access.
That approach works best when certificate operations are treated as a lifecycle, not a one-time issuance event. NHI Management Group’s NHI Lifecycle Management Guide is useful here because certificate creation, rotation, revocation, and retirement all need ownership. The same logic appears in NHI governance patterns such as Ultimate Guide to NHIs — Lifecycle Processes for Managing NHIs, where the control point is the identity lifecycle rather than ad hoc access grants.
- Use RBAC to separate issuance, approval, deployment, and revocation duties.
- Make access conditional on task, environment, and certificate class.
- Keep a central inventory of owners, expiry dates, and consuming services.
- Require logging for every issuance, renewal, export, and manual override.
- Use JIT access for exceptional cases instead of permanent admin privileges.
For organisations using automation, policy-as-code helps reduce manual bottlenecks. Current guidance suggests that certificate policy should be evaluated at request time so the system can decide whether the request matches the workload, namespace, or deployment context. That is especially important when teams share infrastructure but not responsibilities. These controls tend to break down when certificate issuance is embedded in unmanaged scripts or when emergency changes bypass the approval path because the true owner cannot be identified fast enough.
Common Variations and Edge Cases
Tighter separation of duties often increases workflow overhead, so organisations have to balance speed against control. That tradeoff is most visible in CI/CD pipelines, short-lived test environments, and incident response, where teams need rapid certificate changes without waiting on a central queue.
There is no universal standard for this yet, but best practice is evolving toward delegated administration with hard guardrails. For example, a platform team may be allowed to issue certificates only for predefined namespaces, while developers can request renewals but not export private keys. Security retains the right to inspect policy, revoke trust, and review exceptions. The important point is that collaboration should be procedural, not unconditional.
This is also where audit expectations matter. NHI Management Group’s Ultimate Guide to NHIs — Regulatory and Audit Perspectives helps frame the need for traceable ownership, while the Top 10 NHI Issues highlights how weak lifecycle controls become exposure points. Practitioners should treat shared certificate management as a controlled collaboration model, not a shared trust model.
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 OWASP Agentic AI Top 10 address the attack and risk surface, while NIST CSF 2.0, NIST AI RMF and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-03 | Covers weak rotation and lifecycle handling for machine credentials. |
| NIST CSF 2.0 | PR.AC-4 | Least-privilege access supports separated duties for certificate operations. |
| NIST AI RMF | GOVERN | Governance is needed when automation and delegated workflows create control ambiguity. |
| NIST Zero Trust (SP 800-207) | SC-4 | Zero Trust aligns with conditional access and verification for every certificate action. |
| OWASP Agentic AI Top 10 | A-02 | Automated workflows can behave like agents and need scoped, task-based permissions. |
Define ownership, accountability, and exception handling for shared certificate workflows.
Related resources from NHI Mgmt Group
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Reviewed and updated by the NHIMG editorial team on August 24, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org