Ownership should sit with the team that understands the workload’s purpose and dependency chain, not only with the infrastructure team that created the credential. Identity and security teams should enforce the control model, but application or platform owners need to confirm when the identity should be renewed, reduced, or retired.
Why This Matters for Security Teams
Lifecycle ownership for non-human identities is not an administrative detail. It determines whether service accounts, API keys, and workload credentials are renewed on purpose, reduced when scope changes, or retired when the dependency disappears. When ownership is unclear, credentials outlive the workload, privileges drift upward, and offboarding becomes an afterthought rather than a control.
That risk is visible in NHIMG research: Ultimate Guide to NHIs shows that 97% of NHIs carry excessive privileges and only 20% of organisations have formal processes for offboarding and revoking API keys. The problem is not just creation, but sustained stewardship across the identity’s life. The OWASP Non-Human Identity Top 10 treats lifecycle and privilege discipline as core issues, because dormant or over-scoped identities are one of the easiest paths to persistence.
The practical lesson is that the team closest to the workload’s purpose has the context to decide when access should change, while security and identity teams must define the guardrails and prove the control is enforced. In practice, many security teams discover mis-owned NHIs only after the application they supported has already been decommissioned or replicated elsewhere.
How It Works in Practice
Effective lifecycle ownership usually follows a shared model: application or platform owners approve business need, security or identity teams enforce policy, and operations teams execute the mechanics of issuance, rotation, and revocation. That split matters because NHIs are workload-bound, not person-bound. The owner of the service can answer questions that infrastructure teams often cannot, such as whether the credential is still needed, whether the dependency chain changed, or whether a narrower identity can replace a broad one.
In practice, that means lifecycle decisions should be tied to events, not just calendars. Common control points include:
- creation approval based on a documented workload purpose
- periodic attestation from the application or platform owner
- rotation and renewal based on actual dependency, not convenience
- automatic retirement when the service is decommissioned or replaced
- secret storage and usage monitoring to detect drift, duplication, or exposure
NHIMG’s NHI Lifecycle Management Guide and Guide to the Secret Sprawl Challenge both reinforce that lifecycle failure is usually a governance failure first, and a technical failure second. The operational goal is to make ownership explicit in ticketing, CMDB, IAM, or policy-as-code workflows so no one can claim the identity was “owned by the platform” when it should have been owned by the workload.
Where this breaks down is in large shared-platform environments with hundreds of ephemeral services, because a single owner may not have enough context to validate each downstream dependency change.
Common Variations and Edge Cases
Tighter lifecycle ownership often increases coordination overhead, requiring organisations to balance accountability against delivery speed. That tradeoff becomes sharp in platform engineering, multi-tenant SaaS, and CI/CD-heavy environments where a single workload may create many short-lived identities.
Best practice is evolving, but current guidance suggests using a primary owner and a control owner rather than relying on a vague shared responsibility model. The primary owner should be the application, product, or platform team that understands whether the identity still has a business purpose. The control owner should be identity or security, responsible for guardrails, review cadence, revocation mechanics, and exception handling.
There are a few common edge cases. Shared service accounts may need joint ownership if multiple applications depend on them, but that should be treated as a temporary exception with named approvers. Third-party managed NHIs often require contractual controls plus internal oversight, because external operators may rotate or retire secrets without clear visibility. For agentic or automated workloads, ownership should also consider the system that triggers the action, not only the system that stores the credential. That is where lifecycle and authorization intersect, and where frameworks such as OWASP Non-Human Identity Top 10 and NHIMG’s lifecycle guidance are most useful.
For mature programmes, the real answer is not “who created it” but “who can prove it is still needed, and who can remove it safely when it is not.”
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 |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-01 | Lifecycle ownership prevents stale, overprivileged non-human identities. |
| NIST CSF 2.0 | PR.AA-5 | Identity lifecycle governance supports least privilege and access review. |
| NIST AI RMF | GOVERN | AI governance needs accountability for autonomous non-human identities. |
Assign a named business owner for each NHI and require periodic attestation of need.
