Identity visibility is overtaking legacy IGA in the IAM market

At a glance

What this is: This analysis argues that identity governance is fragmenting into visibility-first and continuous-security models, with non-human identity sprawl forcing a rethink of how access is discovered, governed, and explained.

Why it matters: It matters because IAM, IGA, PAM, and NHI programmes can no longer assume they know what exists before they govern it, especially as machine identities outnumber humans and access becomes more dynamic.

By the numbers:

• non-human identities now outnumber human identities 82:1 in the average enterprise
• Only 10% achieve new access provisioning within 2 days.

👉 Read Zluri's analysis of Gartner IAM 2025 and identity governance trends

Context

Identity governance fails when teams assume they already know what applications, accounts, and permissions exist. In cloud-heavy environments, that assumption breaks quickly because discovery lags behind provisioning, and non-human identity sprawl grows outside traditional SSO and IGA coverage.

The IAM issue here is not just more access to review. It is the sequence of control itself: visibility, attribution, governance, and then enforcement. Once service accounts, APIs, and automation identities outnumber people, the programme has to govern what it can actually see, not what it hopes is documented.

Key questions

Q: How should teams govern identity estates they cannot fully see?

A: Start with discovery coverage, not certification. If applications, service accounts, and access paths are missing from the inventory, every downstream governance step is incomplete. Teams should baseline what is visible, what is inferred, and what remains unmanaged, then use that map to decide where access reviews and policy enforcement can be trusted.

Q: Why do non-human identities change the IAM operating model?

A: Non-human identities change the operating model because they scale faster than human accounts, behave differently across environments, and often evade traditional joiner-mover-leaver processes. That means IAM teams must govern machine identities as a primary population, not a side category, with inventory, ownership, and lifecycle controls that match their volume and speed.

Q: What breaks when access reviews rely on stale identity data?

A: Access reviews break when they validate a record of access instead of current access reality. In fast-changing cloud and SaaS environments, stale data means orphaned permissions, over-privilege, and untracked applications remain outside governance. The result is compliance theatre rather than risk reduction.

Q: How do teams decide when to externalize authorization logic?

A: Externalize authorization when decisions must be consistent, explainable, and auditable across multiple applications or identity types. Systems with complex, high-frequency access decisions are especially poor candidates for isolated in-application logic. A shared policy layer gives security and audit teams a clearer control boundary.

Technical breakdown

Why identity visibility comes before governance

Identity governance depends on a complete asset and access picture, but legacy IGA often assumes that picture already exists. Identity Visibility and Intelligence Platforms invert that sequence by discovering applications, identities, and entitlements first, then feeding that inventory into governance workflows. The practical difference is architectural: if discovery is incomplete, access reviews, certifications, and policy enforcement are all operating on partial data. In modern SaaS and cloud environments, that gap is usually where orphaned access and hidden risk accumulate.

Practical implication: treat discovery coverage as a prerequisite control, not a reporting feature.

How continuous identity security differs from quarterly reviews

Identity Security Posture Management is built around continuous assessment rather than periodic certification. It tracks drift in permissions, MFA configuration, dormant accounts, orphaned entitlements, and segregation-of-duties issues as they emerge. That matters because quarterly access reviews can validate yesterday's state while the attack surface changes daily. The technical shift is from governance as a cycle to governance as a monitoring plane, with real-time signals feeding prioritisation and remediation.

Practical implication: move high-risk identity checks into continuous control monitoring instead of waiting for review cycles.

Why authorization is becoming a first-class identity layer

Authorization has traditionally lived inside applications, which made it hard to govern consistently across systems. Standards such as AuthZen aim to externalise decision requests so access can be evaluated using shared policy logic, attributes, and relationships. That becomes critical when access decisions are high-frequency and context-dependent across services, pipelines, and machine identities. The issue is not only whether a subject is authenticated, but whether the authorization decision is explainable, portable, and auditable across distributed architectures.

Practical implication: inventory where authorization decisions still sit inside apps and prioritize externalization for high-risk systems.

NHI Mgmt Group analysis

Visibility-first governance is now the baseline for modern identity programmes. Legacy IGA assumed teams could govern access after they had already mapped the estate. That assumption fails when 60% of SaaS applications sit outside SSO and traditional identity systems, because governance becomes a partial exercise from the start. Practitioners should treat discovery coverage as the control plane that determines whether downstream governance has any integrity.

Continuous identity security is replacing schedule-based assurance. Quarterly access reviews and annual certifications were designed for a slower identity environment. They do not cope well with continuous entitlement drift, over-permissioned machine identities, and orphaned access created by incomplete offboarding. The implication is that access assurance is moving from event-driven compliance to always-on control validation.

Non-human identity sprawl has turned machine identity into the dominant governance problem. When non-human identities outnumber human identities 82:1 on average, the control stack can no longer be human-centric with machine exceptions. That ratio means machine identities are now the larger population to discover, classify, and govern, and the same becomes even more acute in cloud-native estates. Practitioners should re-plan IAM and IGA operating models around machine-first scale.

Authorization data is becoming a governance asset, not just an application detail. The shift toward AuthZen and policy-based decisioning shows that organizations need portable, explainable authorization across distributed systems. This is not merely a standards conversation. It is a governance change because entitlement logic must be visible if teams want to certify it, audit it, and rationalize it across NHI, human, and workload access paths. Practitioners should elevate authorization visibility alongside identity discovery.

Identity visibility and intelligence platforms formalize a new control boundary. The emergence of IVIP signals that the market is separating discovery-led control from legacy workflow-first IGA. This does not erase classic governance, but it does redefine where the control boundary starts. Teams should expect future IAM designs to privilege inventory accuracy, integration depth, and context-rich analytics before certification and enforcement.

From our research:

• Only 1.5 out of 10 organisations are highly confident in their ability to secure NHIs, compared to nearly 1 in 4 for securing human identities, according to The State of Non-Human Identity Security.
• Our research also found that 85% of organisations lack full visibility into third-party vendors connected via OAuth apps, which leaves identity governance operating on partial inventories.
• For a broader lifecycle lens, read Ultimate Guide to NHIs - Lifecycle Processes for Managing NHIs for how discovery, rotation, and offboarding fit together.

What this signals

Identity visibility is becoming a prerequisite for control effectiveness. As estates expand across SaaS and cloud, governance teams should expect discovery gaps to surface as certification failures, orphaned access, and inconsistent ownership data. The practical signal is simple: if an asset is not in the inventory, it is not governable with confidence.

The next planning step is to align IAM, IGA, and security operations around continuous identity checks rather than periodic review outputs. That means building triage paths for over-permissioned machine identities, stale entitlements, and application sprawl before these issues become audit findings.

Authorization visibility will matter more in the next generation of IAM programmes. Teams that can map where policy lives, where access decisions are made, and where those decisions are logged will have a stronger audit posture than teams focused only on authentication. For background on the control model, see NIST Cybersecurity Framework 2.0 and the Ultimate Guide to NHIs.

For practitioners

• Prioritize identity discovery coverage Measure how much of your SaaS, cloud, and machine identity estate is actually visible in your current IAM and IGA stack, then close the largest blind spots first.
• Shift high-risk reviews to continuous monitoring Move dormant accounts, orphaned permissions, excessive privilege, and MFA drift into continuous checks so governance does not depend on quarterly cycles alone.
• Map machine identities as a primary population Treat service accounts, API keys, tokens, and workload identities as first-class objects in your identity inventory rather than exceptions buried in application teams.
• Externalize authorization where decisions are fragmented Identify systems that keep authorization logic inside the application and evaluate which of them need shared policy handling for auditability and consistency.

Key takeaways

• The central problem is not just more identities, but weaker visibility into what must be governed first.
• The scale evidence points to a machine-heavy estate where legacy IGA assumptions no longer hold at enterprise volume.
• Teams should re-centre governance on discovery, continuous validation, and authorization visibility before expanding certifications further.

Key terms

• Identity Visibility And Intelligence Platform: An identity visibility and intelligence platform discovers applications, identities, and access relationships before governance workflows run. It combines inventory, analytics, and context so teams can see what exists, understand who or what has access, and decide where certification or remediation should start.
• Identity Security Posture Management: Identity Security Posture Management is the continuous monitoring of identity configuration, privilege, and access risk. It looks for drift, over-permissioning, dormant accounts, and broken governance signals so teams can act on current state instead of relying only on periodic reviews.
• Authorization Visibility: Authorization visibility is the ability to see where access decisions are made, what policy logic drives them, and whether those decisions are auditable. It matters when authorization is scattered across applications because teams cannot govern what they cannot inspect.
• Non-Human Identity: A non-human identity is any digital identity used by software, services, workloads, or automation rather than a person. It includes service accounts, API keys, tokens, certificates, bots, and AI agents, all of which need ownership, lifecycle control, and least-privilege governance.

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.

This post draws on content published by Zluri: Security & Compliance What the Gartner IAM 2025 Summit Revealed About the Future of Identity Governance. Read the original.