Who is accountable for making just-in-time access support Zero Trust and Zero Standing Privileges models?

Accountability sits with identity, security, operations, and governance teams together. IAM and PAM teams usually define the access model, security leaders set policy expectations, operations teams handle workflow integration, and audit teams verify that access expires as intended. JIT supports Zero Trust and Zero Standing Privileges only when ownership is clear across those functions.

Why This Matters for Security Teams

Just-in-time access only supports Zero Trust and Zero Standing Privileges when someone is accountable for the full lifecycle, not just the request. That means defining who approves, who provisions, who revokes, and who verifies expiration. This is where many programmes fail: access can look ephemeral on paper while still lingering in workflows, tokens, or downstream systems. NHI Mgmt Group’s Ultimate Guide to NHIs shows that only 20% of organisations have formal offboarding and revocation processes, and 90% of IT leaders say proper NHI management is essential for Zero Trust.

The accountability question matters because JIT is not a single control. It is a coordination model across IAM, PAM, security policy, operations, and audit. If ownership is unclear, temporary access can become de facto standing access, especially when service accounts, API keys, and automation workflows are involved. The OWASP Non-Human Identity Top 10 treats this as a core identity risk, not an administrative nuisance. In practice, many security teams discover the gap only after an expired grant still works in production.

How It Works in Practice

Accountability for JIT access usually needs a three-layer model. First, identity and PAM teams define the control design: who can request access, what duration is allowed, and what conditions must be met. Second, operations teams integrate the workflow into ticketing, automation, and deployment systems so approvals and revocations actually happen. Third, security and audit teams validate that the effective privilege disappears when the task ends and that evidence exists for each grant.

At runtime, the strongest implementations pair JIT with NIST SP 800-207 Zero Trust Architecture: every access request is evaluated in context, not assumed because a principal was once trusted. For NHIs and agentic workloads, this is usually better than relying on long-lived credentials. NHI Mgmt Group’s Guide to SPIFFE and SPIRE is useful here because workload identity gives a cryptographic basis for who or what is requesting access, while JIT limits what that identity can do and for how long.

• IAM or PAM defines policy and issuance rules.
• Security sets approval thresholds, risk conditions, and exception handling.
• Operations integrates revocation into the real workflow, not just the access request.
• Audit checks that the grant expires and the evidence is retained.

Best practice is evolving toward policy-as-code and automated expiry checks, but there is no universal standard for JIT accountability yet. Many teams also use the NIST SP 800-53 Rev. 5 Security and Privacy Controls to anchor least privilege, access enforcement, and review requirements. These controls tend to break down when access is embedded inside CI/CD jobs with shared secrets, because revocation does not propagate cleanly across every dependent system.

Common Variations and Edge Cases

Tighter JIT controls often increase delivery overhead, requiring organisations to balance rapid operational response against stronger privilege containment. That tradeoff is especially visible in environments where automation, incident response, and production support all need temporary elevation. In those settings, a rigid approval queue can slow remediation, but loose approvals turn JIT into a paper process with standing access in practice.

For service accounts, bots, and AI agents, the accountability model should focus less on human approval alone and more on the owner of the workload identity and the policy engine enforcing expiry. Current guidance suggests using short-lived credentials, explicit task boundaries, and automatic revocation after completion, but the details vary by stack. NHI Mgmt Group’s Guide to NHI Rotation Challenges and Ultimate Guide to NHIs — Key Challenges and Risks both highlight how quickly temporary access becomes persistent when revocation is not centrally owned.

In regulated or high-availability environments, accountability may be split across business, platform, and security owners, but that split must be documented. The practical test is simple: if the grant outlives the task, no one owned the expiry. That failure is most common in hybrid estates where legacy privileged accounts, cloud permissions, and automation tokens are managed by different teams with no shared revocation control.

Related resources from NHI Mgmt Group

• Why do standing access rights create more risk in SOX and zero trust environments?
• Who is accountable for making zero trust work across federal or enterprise environments?
• Who is accountable for access recertification and deprovisioning when organisations adopt zero trust?
• What is the difference between zero standing privileges and just-in-time access?