TL;DR: Least privilege is presented as an identity governance discipline that reduces attack surface, improves auditing, and supports compliance when roles, lifecycle events, just-in-time access, monitoring, and certifications are applied together, according to Zluri. The real challenge is not the concept itself but proving that access stays minimal as environments and responsibilities change.
At a glance
What this is: This article argues that least privilege depends on identity governance to keep access roles, lifecycle changes, JIT privileges, monitoring, and certifications aligned as environments change.
Why it matters: It matters because IAM, IGA, and PAM teams need a governance model that proves access stays minimal over time, not just at provisioning.
Context
Least privilege is an access model that gives identities only the permissions needed to do a specific task. In practice, that model fails when roles, projects, vendors, and departures change faster than the organisation can review and revoke access.
The governance gap is not the principle itself but the lifecycle discipline around it. Identity governance has to keep provisioning, role mapping, JIT access, certifications, and offboarding in sync, or least privilege degrades into a static policy that looks sound but is no longer true.
Key questions
Q: What breaks when privileged access is not part of identity governance?
A: Governance breaks at the highest-risk tier because privileged accounts can create, hide, or amplify access problems that normal reviews do not surface. If privileged activity is not tied to the same certification and exception workflows, the organisation can pass audit while still holding dangerous standing privilege.
Q: How should security teams implement least privilege in dynamic environments?
A: Start by tying access to current role, task, and lifecycle state rather than to broad job titles or legacy entitlements. Use RBAC for structure, JIT for temporary elevation, and access reviews to remove drift. The key is to make privilege expire unless a current business need still exists.
Q: How do security teams know whether least privilege is actually working?
A: Least privilege is working when identities have narrowly scoped permissions, unused credentials are removed or quarantined, and repeated access reviews consistently shrink entitlements. A good signal is whether a compromised identity would be unable to move beyond one bounded workflow. If broad resource reach still exists, the control is not effective.
Q: When should organisations replace standing privilege with just-in-time access?
A: Organisations should replace standing privilege with just-in-time access whenever elevated access is not required continuously. JIT reduces the time window in which credentials can be abused, especially for admin tasks, break-glass use, and sensitive automation. It works best when paired with approval, expiry, and logging so temporary access does not become another form of standing privilege.
Technical breakdown
Why role-based access control is not enough for least privilege
Role-based access control groups permissions by job function, which is useful for scale but not sufficient on its own. Roles drift as teams grow, projects overlap, and temporary exceptions accumulate. Least privilege needs role design, entitlement review, and exception handling to stay aligned with actual work. In an identity governance model, RBAC is the allocation mechanism, not the proof that access remains minimal over time.
Practical implication: review role definitions and exceptions together, not as separate governance exercises.
How identity lifecycle management keeps access minimal
Identity lifecycle management ties access to joiner, mover, and leaver events, so permissions change when a person changes job, vendor status, or leaves the organisation. Without that lifecycle link, old access persists after the business need has disappeared. In least-privilege programmes, the lifecycle process is what turns policy into current entitlement state, especially where contractor access, promotions, and transfers are frequent.
Practical implication: connect provisioning, recertification, and offboarding so stale entitlements do not survive role changes.
Why just-in-time privileged access reduces privilege creep
Just-in-time privileged access replaces permanent elevation with time-limited access issued for a specific task. The article’s emphasis on dynamic secrets and one-time-use credentials reflects a simple control truth: access should exist only for the shortest useful window. This reduces privilege creep, but only if expiry, revocation, and audit trails are reliable. JIT weakens standing privilege, yet it still depends on strong identity governance to control issuance and cleanup.
Practical implication: use temporary elevation for exceptional tasks and verify that revocation is automatic and auditable.
Breaches seen in the wild
- Azure Key Vault Contributor escalation 2024: Datadog found Azure Key Vault Contributor could add itself to access policies and read every secret, key and certificate in a vault.
- Microsoft SAS token exposure 2023: An over-permissive Azure SAS token in a Microsoft AI GitHub repo exposed 38TB, including workstation backups and Teams messages, for 3 years.
Read and download The State of NHI & AI Agent Breach Report 2026, covering 150+ breaches impacting Non-Human Identities including AI Agents.
NHI Mgmt Group analysis
Least privilege becomes measurable only when identity governance is continuous: the principle is simple, but the control problem is lifecycle drift. Roles, vendors, temporary projects, and emergency access all expand the gap between what was granted and what is still required. The practitioner lesson is that least privilege is an operating state, not a one-time design choice.
Identity governance is the enforcement layer that turns least privilege from policy into evidence: without certifications, monitoring, and offboarding discipline, organisations cannot demonstrate that access remained minimal after the business changed. That breaks auditability as well as security, because the access model no longer matches the actual entitlement state. Practitioners need governance evidence, not just access intent.
Privilege creep is the real failure mode this article exposes: when temporary, role-based, and legacy access all coexist, permissions accumulate faster than teams can justify them. The result is broader attack surface, weaker accountability, and more difficult incident response. A least-privilege programme is only credible when it treats entitlement drift as a governance defect, not an administrative nuisance.
Named concept: access-state drift. The article describes a persistent gap between granted access and required access as roles change over time. That drift is the practical reason least privilege fails in dynamic environments, and it is the condition identity governance must continuously collapse through lifecycle controls and review discipline.
Least privilege is strongest when paired with time-bounded privilege and recertification: the article shows that static assignment, even when role-based, cannot keep pace with changing work patterns. Time-limited elevation and recurring review together shrink the window in which excess access can exist. Practitioners should treat the combination as the baseline for any environment with frequent change.
From our research library:
- 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface, according to the Ultimate Guide to NHIs.
- More than 95% of infrastructure-as-a-service accounts use less than 3% of the entitlements they are granted, according to Gartner.
- Read next: NHI Lifecycle Management Guide
What this signals
Access-state drift: least privilege fails when entitlement state outpaces the governance process that is supposed to keep it current. The operational answer is not more policy text, but a tighter loop between role design, lifecycle events, and review outcomes.
Identity governance programmes should treat temporary access, contractor access, and role exceptions as first-class risk objects. Once those items are left to manual cleanup, privilege creep becomes normalised and the control loses its evidentiary value.
Practitioners should expect least privilege to be judged by proof, not principle. If a team cannot show current entitlement accuracy and timely offboarding, the programme is already behind the environment it is meant to govern.
For practitioners
- Define roles from real entitlement patterns Map actual application and data usage before turning it into roles, then remove exceptions that do not recur across a stable set of users.
- Tie every access change to lifecycle events Trigger provisioning, modification, and deprovisioning from joiner, mover, and leaver events so access changes follow job changes instead of manual requests.
- Move privileged elevation to time-limited access Replace standing administrative access with JIT access and verify that expiry, revocation, and logging are enforced automatically.
- Run certifications against current entitlements Review privileged and sensitive access on a recurring schedule, then remediate anything that no longer matches current responsibilities or business need.
- Monitor for privilege creep signals Track unused permissions, overlapping roles, and temporary access that has not been withdrawn, because these are the conditions where least privilege erodes.
Key takeaways
- Least privilege only works as a governance discipline when access changes follow real job changes, not outdated role assumptions.
- The article’s core risk is privilege creep, where temporary and legacy access accumulate faster than teams can review it.
- Identity governance, JIT elevation, and recurring certifications are the controls that keep least privilege credible in practice.
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 MITRE ATT&CK address the attack and risk surface, while NIST CSF 2.0 and NIST SP 800-53 Rev 5 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-05 — Overprivileged NHI | The article centres on excess privileges and reducing standing access. |
| NHI-01 — Improper Offboarding | Lifecycle offboarding is a key control in the article's identity governance model. | |
| Recommendation — Reduce standing privileges and align NHI access with the minimum task scope. Revoke access on departure and validate that offboarding removes residual entitlements. | ||
| NIST CSF 2.0 | PR.AA-05 — Access Permissions, Entitlements and Authorizations | Least privilege depends on governing permissions and entitlement scope. |
| Recommendation — Review permissions continuously and remove authorizations that exceed current need. | ||
| NIST SP 800-53 Rev 5 | AC-6 — Least Privilege | The article is fundamentally about enforcing least privilege across identity governance. |
| Recommendation — Apply least-privilege controls to minimise permissions granted to each identity. | ||
| MITRE ATT&CK | TA0006;TA0008 — Credential Access; Lateral Movement | Excess privileges increase the impact of credential access and lateral movement. |
| Recommendation — Hunt for overprivileged accounts that could expand credential access or lateral movement. | ||
Key terms
- Least Privilege: A security principle requiring that every identity, human or non-human, is granted only the minimum permissions necessary to perform its function. Least privilege is the single most effective control for reducing NHI blast radius.
- Identity Governance: Identity governance is the set of controls that defines who approves access, who owns it, how it is reviewed, and when it is removed. In practice, it turns identity management from a deployment task into a durable control system that can withstand audits, organisational change, and operational growth.
- Just-in-Time Access Request: Just-in-Time Access Request is a pattern that grants access only when it is needed and only for the duration required. It reduces standing privilege by making access temporary, policy driven, and task scoped. This approach is especially useful for contractors, sensitive systems, and short-lived operational work.
- Privilege Creep: Privilege creep is the gradual accumulation of access rights beyond what an identity actually needs. It usually happens when permissions are added for convenience and never removed. For NHIs, privilege creep expands blast radius and makes old credentials far more dangerous than their original purpose suggests.
Deepen your knowledge
NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are responsible for identity security strategy or NHI governance in your organisation, it is worth exploring.
Published by the NHIMG editorial team on June 12, 2026.
Updated on October 8, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org