TL;DR: Least privilege stalls when SaaS sprawl, hybrid cloud, and non-human identities split identity data from effective permissions, according to Veza’s whitepaper. The practical problem is not intent but fragmented visibility, because teams cannot keep access evidence current fast enough to prove blast radius is actually shrinking.
Editorial analysis by NHI Mgmt Group, based on content published by Veza: “The Era of Intelligent Access”.
Key questions
Q: How should teams fix least privilege when effective permissions are fragmented across systems?
A: Start by reconciling identity records with the permissions enforced inside SaaS, cloud, and data platforms.
Q: Why does non-human identity scale make quarterly access reviews ineffective?
A: NHIs change too quickly and exist in too many places for periodic review to keep pace.
Q: What are the signs that least privilege is failing in a hybrid environment?
A: Common signals include mismatched identity and permission records, repeated spreadsheet reconciliation, and auditors asking for proof that teams struggle to assemble.
Practitioner guidance
- Map effective permissions, not just identities Build an inventory that reconciles IdP records with application-local, cloud, and data-platform entitlements so reviews reflect actual access paths.
- Classify non-human identities as a governed population Create ownership, lifecycle, and review rules for service accounts, tokens, and other NHIs instead of treating them as background infrastructure.
- Replace spreadsheet reviews with evidence-ready automation Automate permission evidence collection so auditors can verify who can do what without rebuilding history from disconnected exports.
Bottom line: Least privilege breaks down when identity records and actual permissions diverge across SaaS, cloud, data systems, and NHIs.
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Least privilege fails when the control plane is split from the permission plane. Identity systems can describe subjects, but the systems that actually grant access often hold the authoritative answer. That split is why teams can believe privilege is shrinking while effective access remains broad. The practitioner lesson is to treat visibility fragmentation as the governance defect, not a reporting nuisance.
A few things that frame the scale:
- Systems with least-privileged AI access had a 17% incident rate vs 76% for over-privileged systems. Organisations failing to scope AI access properly are 4.5x more likely to experience a security incident, according to the 2026 Infrastructure Identity Survey.
- 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface, according to the Ultimate Guide to NHIs.
A question worth separating out:
Q: What should audit and compliance teams ask when blast radius is the goal?
A: They should ask whether the organisation can prove the reachable permission set is shrinking over time, not whether a policy exists on paper. Least privilege is only real when current access can be evidenced across every environment where work happens.
👉 Read our full editorial: Least privilege breaks down across SaaS, cloud, and NHIs