Who should be accountable for non-human identity hygiene in cloud and DevOps teams?

Why This Matters for Security Teams

Non-human identity hygiene becomes an accountability problem because cloud and DevOps environments create identities faster than central security teams can reasonably approve, inventory, or retire them. When ownership is unclear, service accounts, API keys, and pipeline tokens linger long after the workload changes, which creates invisible access paths that normal reviews miss. NHI Management Group’s Ultimate Guide to NHIs shows how often this gap turns into excess privilege, weak rotation, and poor offboarding.

This is not only a control design issue. It is a governance issue that affects incident response, auditability, and change management. Security can define standards, but platform and application teams are usually the only groups close enough to know which identities are still needed, which secrets are embedded in delivery workflows, and which approvals should block deployment. That is why NIST SP 800-53 Rev 5 Security and Privacy Controls remains useful as a baseline, even though the operational question is really about who owns the lifecycle. In practice, many security teams encounter expired credentials only after a pipeline failure, a service outage, or an access review has already exposed the problem.

How It Works in Practice

Accountability works best when it follows the identity lifecycle, not just the organisational chart. The team that creates the workload, approves the access, and deploys the code should own the NHI record, while security sets policy, monitors exceptions, and verifies evidence. That means DevOps, platform engineering, and application owners need named responsibility for vault approval, secret placement, rotation intervals, and offboarding triggers. Security should not be the default cleanup crew.

A practical model usually includes:

• Named identity owners for every service account, API key, robot account, and CI/CD token.
• Policy gates that require approved storage in a secrets manager, not in code, config files, or build logs.
• Rotation and revocation SLAs tied to workload change events, incident severity, and employment or vendor offboarding.
• Periodic attestation that confirms the identity is still needed and still mapped to the right system.

For implementation guidance, teams can anchor the process in NIST AI Risk Management Framework principles for accountability and governance, then map those principles into cloud control owners. NHIMG’s Top 10 NHI Issues also highlights why ownership must include visibility into where secrets live, who can use them, and how quickly they are revoked after change. Current guidance suggests that ownership works only when it is visible in ticketing, CMDB, or policy-as-code workflows rather than buried in tribal knowledge. These controls tend to break down when teams run shared platform accounts across many services because no single owner can prove which workload still depends on which credential.

Common Variations and Edge Cases

Tighter ownership often increases operational overhead, requiring organisations to balance speed against assurance. That tradeoff is real in platform teams, especially where shared services, multi-tenant clusters, or legacy automation make a one-to-one identity mapping difficult. In those environments, best practice is evolving toward a small number of clearly owned shared identities plus stronger compensating controls, but there is no universal standard for this yet.

Two edge cases matter most. First, in highly automated CI/CD systems, the pipeline owner may not be the code owner, so accountability must follow the system that issues or stores the secret. Second, third-party integrations often blur responsibility because the vendor may provision the credential, but the internal team still controls where it is used. Security should require a documented internal owner even when the credential originates outside the organisation.

NHI Management Group research shows how much risk accumulates when visibility is weak and revocation is slow, so organisations should not treat accountability as a paperwork exercise. The Ultimate Guide to NHIs and the CI/CD pipeline exploitation case study both reinforce the same point: the team closest to the workload is usually the only one able to retire the identity before exposure becomes incident response. If that ownership is not explicit, expired access tends to survive long enough to become an attacker’s easiest path.

Related resources from NHI Mgmt Group

• Who should be accountable for cloud identity governance when both developers and non-human identities need access?
• How should security teams govern non-human identities in cloud environments?
• How should aviation security teams reduce identity blind spots across human, non-human, and agentic AI accounts?
• What breaks when identity security teams treat non-human access the same as human access?