TL;DR: IGA programmes fail when identity data, access reviews, lifecycle controls, and privilege governance are managed in silos, leaving security, compliance, and audit teams without a unified view of rights and entitlements, according to Zluri. The core issue is not the absence of tools but the assumption that fragmented governance can still control modern access sprawl.
Editorial analysis by NHI Mgmt Group, based on content published by Zluri: “8 Proven Best Practices To Optimize IGA”.
Key questions
Q: What breaks when IGA is managed in separate silos?
A: When IGA is fragmented, provisioning, reviews, role design, and offboarding no longer reinforce one another.
Q: Why does fragmented authorization increase compliance risk?
A: Fragmented authorization makes it harder to prove why access was granted, where it applied, and whether it changed after a business event.
Q: How can security teams tell whether privileged access reviews are actually working?
A: They are working when every privileged entitlement is inventoried, every decision is traceable, and revoked access is removed from all connected systems without delay.
Practitioner guidance
- Centralise identity and entitlement data Build one authoritative view of users, roles, privileges, and SaaS entitlements so provisioning, review, and offboarding operate from the same record.
- Unify access review and certification workflows Make recertification consume current entitlement data from the same system that tracks access changes, instead of relying on exported lists or team-specific spreadsheets.
- Tie role design to segregation of duties checks Define role bundles and conflicting permission combinations together, then test proposed assignments against SoD rules before access is granted.
Bottom line: Fragmented IGA turns access governance into disconnected activity, which weakens the organisation’s ability to prove and enforce entitlement decisions.
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Fragmented IGA is not a tooling gap, it is a governance model failure: the article shows that security and compliance break down when provisioning, certification, lifecycle control, and role design are treated as separate motions. A control that cannot see the full entitlement state cannot reliably govern it. For practitioners, the lesson is that IGA maturity starts with a unified governance plane, not another isolated workflow.
A few things that frame the scale:
- Nearly 60% of IT leaders cite restrictive cost and complexity as a weakness of legacy identity governance, according to the 2025 State of Identity Governance Report.
A question worth separating out:
Q: When should organisations prioritise lifecycle integration over more access automation?
A: They should prioritise lifecycle integration first when entitlement data is inconsistent or when onboarding, mover, and leaver events do not reliably update access. Automation amplifies whatever process exists, so fragmented governance gets faster at producing bad outcomes. Integration has to come before scale.
👉 Read our full editorial: IGA best practices still fail when access governance is fragmented