How should security teams reduce standing access across users and non-human identities?

Security teams should reduce standing access by combining least privilege, time-bound entitlements, and automated revocation. Persistent permissions should be reserved for a small set of stable administrative functions. For service accounts, API keys, and agents, the safest pattern is short-lived access linked to a specific task or workload, with logging that proves when access was issued and removed.

Why This Matters for Security Teams

Standing access is convenient, but it is also one of the fastest ways to let privilege drift out of control across both human users and NHI. When permissions stay active after a task ends, teams lose the ability to prove necessity, scope, and duration. That is why guidance from the OWASP Non-Human Identity Top 10 and NHIMG research consistently points toward shorter-lived access, stronger governance, and faster revocation.

The operational risk is not abstract. In Ultimate Guide to NHIs, NHIMG reports that 97% of NHIs carry excessive privileges, which means standing access is often the default rather than the exception. That pattern becomes dangerous when service accounts, API keys, and agents accumulate permissions for future use instead of current need. Security teams should treat every persistent entitlement as an exception that requires a business justification and an expiry path.

For practitioners, the key shift is from “who can use this forever?” to “who needs this, for what task, and until when?” That framing improves auditability, reduces blast radius, and makes revocation operationally realistic. In practice, many security teams discover the access they meant to temporarily grant has become permanent only after an incident or failed offboarding review has already exposed the gap.

How It Works in Practice

Reducing standing access is usually a blend of policy, workflow, and technical enforcement. Start by classifying entitlements into three groups: persistent administrative access, time-bound operational access, and task-specific access for users, workloads, and agents. Persistent access should be rare and tightly reviewed. For everything else, issue just-in-time privileges that expire automatically and require re-authorization for the next task.

For non-human identities, the practical pattern is short-lived secrets or tokens issued per workload, not reusable credentials that live indefinitely. That may include workload identity, ephemeral certificates, or OIDC-based access tied to the runtime instance. The important point is that the credential proves what the workload is and what it is allowed to do right now, not what it was allowed to do last week. This aligns with the operational direction described in 52 NHI Breaches Analysis and with the control expectations in OWASP Non-Human Identity Top 10.

• Use RBAC for coarse role assignment, then add JIT approval or policy checks for privileged actions.
• Prefer ephemeral secrets and automatic rotation over static API keys embedded in code or pipelines.
• Log issuance, use, and revocation events so audits can confirm access existed only during the approved window.
• Bind agent or workload access to intent, context, and environment signals where the platform supports it.

Automation matters because manual revocation is where standing access survives. Offboarding, token expiration, and policy-based deprovisioning should be built into identity workflows, not left to ticket queues. Current guidance suggests this is most effective when identity, secrets management, and workload orchestration share revocation signals. These controls tend to break down in highly distributed CI/CD environments because credentials are copied into build steps faster than they can be removed.

Common Variations and Edge Cases

Tighter access control often increases operational overhead, so teams must balance resilience against workflow friction. That tradeoff is especially visible in legacy systems, emergency access, and machine-to-machine integrations where short TTLs can disrupt long-running jobs.

One common exception is break-glass access. Security teams may keep a small number of persistent accounts for emergency administrative recovery, but those accounts should be isolated, heavily monitored, and excluded from routine operations. Another edge case is service accounts that support scheduled jobs or stateful systems. Best practice is evolving here: there is no universal standard for exactly how short the TTL should be, but the guidance is clear that static secrets should be replaced wherever feasible with time-bound, scoped alternatives.

Agents and autonomous systems deserve special caution. Because they can chain tools, follow goals, and act unpredictably, static permissions often outlast the actual intent behind the action. Ultimate Guide to NHIs — Key Challenges and Risks and JetBrains GitHub plugin token exposure both reinforce how quickly exposed credentials become a broad access problem once they are reusable. For that reason, the safest pattern is to make standing privilege the exception, not the baseline, and to require a compensating control whenever a long-lived credential cannot be avoided.

Related resources from NHI Mgmt Group

• How should security teams decide whether JIT access is safe for non-human identities?
• How should teams secure non-human identities across cloud and SaaS?
• When should organisations prioritise Zero Standing Privilege for non-human identities?
• How should security teams run access reviews for non-human identities?