By NHI Mgmt Group Editorial TeamBased on Zluri: “How Fast-Growing Tech Firms Automate Access Reviews” (September 17, 2025)

TL;DR: Manual access reviews break down as headcount, SaaS sprawl, and contractor use expand, leaving leavers, role changes, and privileged access decisions out of sync with reality according to Zluri. Automation changes access review from a periodic compliance task into a continuous governance control, but only if context, revocation, and audit logging are tied together.


At a glance

What this is: This article argues that access review automation is becoming a control plane for fast-growing tech firms because manual review processes cannot keep pace with identity sprawl, contractor churn, and audit demands.

Why it matters: It matters because IAM and IGA teams need access reviews to function as a live governance control, not a periodic checkbox, if they want to keep revocation decisions aligned with real-time role and tool changes.


Context

Fast-growing tech firms often assume access reviews can keep pace with changing people, roles, and SaaS usage. In practice, once spreadsheets, inboxes, and manager approvals become the operating model, the process loses visibility, context, and timeliness.

For human IAM and IGA programmes, the problem is not that reviews exist, but that they are detached from the systems that create, change, and remove access. That gap leaves leavers, movers, contractors, and privileged users outside the governance loop until audit or incident pressure exposes it.


Key questions

Q: What breaks when access reviews are the main control for fast-growing companies?

A: Reviews become retrospective paperwork if permissions are changing faster than the review cycle. By the time the review happens, access may already be stale, duplicated, or invisible across ticket systems and spreadsheets. Lifecycle automation is what keeps reviews meaningful.

Q: Why do poorly governed access reviews create compliance and security risk?

A: Poorly governed reviews create risk because reviewers often lack the context needed to judge whether access is still legitimate. That leads to blanket approvals, missed removals of excess privilege, and weak evidence for auditors. Over time, stale access persists, incident response becomes harder, and the organisation loses confidence that access decisions match policy or regulation.

Q: How do teams know if automated access reviews are actually working?

A: Automated reviews are working when exception rates fall, reviewer overrides become rare, and access decisions are grounded in clean role definitions rather than ad hoc exceptions. If certifications keep surfacing the same noisy entitlements, the problem is usually role design, not reviewer effort. Effective automation should reduce ambiguity, not scale it.

Q: Should access reviews be tied to joiner mover leaver events instead of quarterly cycles?

A: Yes, when the environment changes quickly. Event-driven reviews are better when role changes, contractor end dates, and privileged access grants create the real risk moment, because they align governance with actual identity change rather than a fixed calendar.


Technical breakdown

Why manual access review workflows break at scale

Manual access reviews depend on people assembling a current access picture from HR, IT, security, and application teams. That model fails when the environment changes faster than the review cadence. Spreadsheets, Slack messages, and email approvals create stale evidence, inconsistent reviewer inputs, and no reliable link between a role change and the permissions still active in downstream systems. The core problem is not review volume alone. It is that the control is periodic, fragmented, and detached from live identity state.

Practical implication: replace spreadsheet-driven campaigns with a centralised review workflow that can ingest identity, HR, and app data before the review starts.

How event-driven triggers change access governance

Event-driven access review automation shifts the control from calendar-based oversight to change-based oversight. When a user changes teams, a contractor end date approaches, or privileged access is granted, the review can be launched at the point risk changes instead of waiting for a quarterly cycle. That matters because access risk is highest when the underlying business context changes. This is a human IAM and IGA pattern, not an NHI one, but the governance lesson is the same: the review should follow the event, not the calendar.

Practical implication: tie review triggers to joiner-mover-leaver events, privileged access grants, and inactivity signals rather than fixed review dates.

Why remediation must sit inside the review workflow

A review has limited value if the approval or denial ends in a ticket queue. The article shows the important architectural shift: remediation must be executable from the review itself, with changes pushed through provisioning integrations and logged automatically. That shortens exposure time and removes the gap between decision and enforcement. Auditability also improves because the same workflow captures who reviewed what, why access was kept or removed, and when the change took effect.

Practical implication: require review tooling to revoke, downgrade, or close access directly and to write the decision into an immutable audit trail.


NHI Mgmt Group analysis

Access review automation is becoming a control plane, not a reporting feature: the moment review decisions can trigger revocation, escalation, and evidence capture in one workflow, access review stops being a compliance task and becomes an operating control. That changes how IAM and IGA programmes are designed because the review is now part of enforcement, not a post hoc record. The practitioner conclusion is simple: if the control cannot change access, it is not governing access.

Fast growth breaks the assumption that reviewers understand the access they approve: manual campaigns presume a manager can still judge what a user should hold by looking at a list. In fast-moving SaaS environments, that assumption fails because permissions, usage, and business context are distributed across systems. The implication is that review quality depends on context enrichment, not just reviewer availability.

Context-rich review is the difference between governance and rubber-stamping: access reviews only reduce risk when they tell the reviewer what the user has, how often it is used, who approved it, and whether it still fits the role. Without that context, least privilege becomes a slogan and not an operating standard. Practitioners should treat review context as part of the control, not as optional metadata.

Audit readiness is a byproduct of continuous governance, not a separate project: when decisions, justifications, and revocations are logged as the review runs, evidence collection stops being a scramble. That matters for organisations that are scaling into regulated customer expectations, because the control must prove itself under pressure. The practical conclusion is to design access review so every action is evidence by default.

Control-plane thinking is now the right model for fast-growing identity programmes: identity governance has to coordinate state, context, decision, and enforcement across tools that are changing every week. A control plane view is useful because it links the identity record to operational action in near real time. The practitioner takeaway is to measure review programmes by how quickly they remove inappropriate access, not by how many campaigns they complete.

From our research library:

What this signals

Access review automation is now a governance design choice: once organisations treat reviews as a live control, they can connect identity state to enforcement instead of merely recording approvals after the fact. That is the difference between a control that slows audits and a control that actively limits exposure.

Review quality now depends on context enrichment: role, usage, approver history, and identity source data all need to travel with the review task or managers will keep rubber-stamping access they do not understand. Fast-growing firms should assume the default failure mode is approval without evidence, not informed decision-making.


For practitioners

  • Centralise access inventory before running reviews Integrate HRIS, identity provider, and key SaaS applications so reviewers see current users, roles, and app entitlements from one workflow instead of reconciling spreadsheets.
  • Trigger reviews on real identity events Launch access reviews when users change roles, contractors near end dates, or privileged access is granted, so governance follows business change instead of a calendar.
  • Put revocation inside the review workflow Ensure denied access can be removed or downgraded directly from the review interface through native integration, API, or SCIM rather than via a separate ticket queue.
  • Enrich reviewers with usage and approval context Show last login activity, role fit, original approver, and access level alongside each entitlement so managers can make a decision without guessing.
  • Capture audit evidence automatically Log every approval, denial, justification, and revocation with timestamps so compliance teams can export a complete evidence trail without manual reconstruction.

Key takeaways

  • Manual access reviews become unreliable when growth, contractor churn, and SaaS sprawl outpace the review cadence.
  • The article shows that the real control is not the review event alone, but the ability to attach context, revoke access, and preserve evidence in the same workflow.
  • For IAM and IGA teams, the practical shift is to measure access reviews by how quickly they remove inappropriate access and how cleanly they prove it.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0, CIS Controls v8 and NIST SP 800-53 Rev 5 set the technical controls, while ISO/IEC 27001:2022 defines the regulatory obligations.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AA-05 — Access Permissions, Entitlements and AuthorizationsThe article centres on governing entitlements as users change roles and tools.
Recommendation — Apply PR.AA-05 to keep access decisions aligned to current role and business need.
CIS Controls v8CIS-5 — Account ManagementThe piece focuses on joiner-mover-leaver governance, revocation, and review workflows.
Recommendation — Use CIS-5 to enforce account review, removal, and approval discipline across SaaS.
NIST SP 800-53 Rev 5AC-6 — Least PrivilegeLeast privilege is the explicit review objective, but the article shows it fails without context.
Recommendation — Apply AC-6 to remove excess access when reviews show permissions no longer fit the role.
ISO/IEC 27001:2022A.5.15 — Access controlAccess review automation supports the access control governance required by ISO 27001.
Recommendation — Map review evidence and revocation decisions to A.5.15 for access control oversight.

Key terms

  • Access review automation: Access review automation is the use of workflow, policy, and evidence collection to reduce manual certification work. It does not remove governance. It changes the operating model so reviewers focus on exceptions, risk, and accountability instead of reading every entitlement one by one.
  • Joiner-Mover-Leaver Lifecycle: The joiner-mover-leaver lifecycle describes the access changes that should happen when a person or account is created, changes role, or exits the organisation. It is the basic operating model for keeping entitlements aligned to current need, and it becomes critical when automation replaces manual ticket handling.
  • Audit Trail: An audit trail is a record of who accessed a system, what they did, and when they did it. For PHI environments, it provides the evidence needed to investigate incidents, support breach determinations, and demonstrate that access was attributable to a specific identity or workflow.

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NHIMG Editorial Note
Published by the NHIMG editorial team on June 11, 2026.
Updated on October 8, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org