TL;DR: CFO-focused SaaS spend optimisation often depends on discovery, renewal, and usage visibility, because hidden subscriptions and duplicate tools can drain budgets and obscure who actually has access, according to Zluri. The identity lesson is that software spend management and access governance are now inseparable across human, NHI, and workload estates.
At a glance
What this is: This is a CFO-oriented SaaS spend guide whose key finding is that hidden subscriptions, renewals, and underused licenses create avoidable cost leakage when teams lack visibility.
Why it matters: It matters to IAM practitioners because the same blind spots that waste software spend also hide unmanaged access, orphaned entitlements, and weak lifecycle control across human and non-human identities.
👉 Read Zluri's best practices on optimising SaaS spend
Context
Software spend only looks like a finance problem until you connect it to access governance. When organisations cannot see which apps are in use, which licenses are idle, and which subscriptions renew automatically, they also lose sight of who still has access and whether that access is still justified.
This is why SaaS cost management and identity governance increasingly overlap. Discovery, renewal review, and usage analysis are not just procurement controls. They are also signals for access recertification, entitlement cleanup, and better lifecycle discipline across human users and machine-linked accounts.
Key questions
Q: How should teams stop SaaS subscriptions from auto-renewing after business need ends?
A: Tie every renewal to a named owner who must confirm active usage, business purpose, and approved budget before the deadline. Pair the renewal calendar with access review so you are checking both the contract and the identities tied to the app. If ownership is unclear, treat the subscription as a candidate for cancellation.
Q: Why does SaaS spend visibility matter to IAM teams?
A: Because the same lack of visibility that hides duplicate or unused subscriptions also hides stale access, orphaned app accounts, and unmanaged integrations. When teams cannot see who is using an application, they cannot tell whether access is still justified. That makes spend visibility a useful input to entitlement cleanup and lifecycle control.
Q: What do organisations get wrong about unused SaaS licenses?
A: They treat unused licenses as a cost issue only, when they are often a sign that access was never revalidated after role changes or project completion. Unused seats should trigger a review of ownership, tiering, and whether the application still belongs in the stack. Otherwise the organisation keeps paying for dormant access.
Q: Who should be accountable for SaaS renewal and access decisions?
A: The business owner who requested the app should own the renewal decision, while IAM or IGA teams should verify that the users, entitlements, and approvals still match current need. Finance can supply the spend data, but accountability should sit with the person closest to the operational use case.
Technical breakdown
Why hidden SaaS spend is also an access governance problem
Hidden SaaS spend often comes from shadow IT, duplicate subscriptions, unused licenses, and auto-renewals that continue after business need has ended. Each of those patterns has an identity dimension: an app cannot be underused unless somebody was provisioned into it, and renewals cannot persist unless access and ownership were never revalidated. In practice, spend leakage is frequently a symptom of weak joiner-mover-leaver discipline rather than just poor budgeting. The governance failure is not only financial. It is that application access and subscription ownership drift away from the business purpose that justified them.
Practical implication: tie SaaS cost reviews to access review and offboarding cycles so unused spend and unused entitlements are removed together.
How usage telemetry supports entitlement right-sizing
Usage telemetry tells teams which users and departments are actually using a product, which features are active, and where license tiers are oversized relative to need. That matters because entitlement right-sizing is one of the few controls that can reduce both cost and access surface at the same time. If a user only consumes basic functionality, paying for premium access creates unnecessary spend and unnecessary privilege. For IAM and IGA teams, usage data becomes evidence for recertification, tier changes, and license reclamation. It is most valuable when paired with ownership data and renewal timing, not treated as a standalone finance metric.
Practical implication: feed application usage and spend data into access certification so license tier, role assignment, and renewal decisions stay aligned.
Renewal calendars create an identity review window
A renewal calendar is more than a procurement planning tool. It creates a predictable review window in which teams can confirm whether an app, its users, and its associated accounts still have a business purpose. That is especially important where software is provisioned for temporary projects and then left to auto-renew after the work ends. From an identity perspective, renewals are decision points for offboarding, account cleanup, and sponsor validation. Without that checkpoint, organisations keep paying for access that no longer maps to an active requirement, which is how stale access and stale spend persist together.
Practical implication: make every renewal a mandatory ownership check so temporary access does not become permanent subscription drag.
NHI Mgmt Group analysis
SaaS spend leakage is often a lifecycle failure, not just a procurement inefficiency. The article shows the same root cause repeating across hidden spend, auto-renewal, and unused licenses: no one is forcing a fresh business justification at the point access persists. That is a classic governance lapse because software ownership, entitlement ownership, and budget ownership have drifted apart. Practitioners should treat uncontrolled renewals as evidence of weak identity lifecycle discipline, not isolated finance noise.
Usage data becomes an access control input when licence cost and entitlement scope are linked. If a team can see feature-level consumption, it can decide whether a user truly needs a paid tier, a broader role, or any access at all. That makes software usage telemetry useful for recertification and privilege reduction, especially in large SaaS estates where manual review is too slow. The implication is straightforward: spend data should inform entitlement scope, not sit in a separate finance silo.
Shadow IT in SaaS is also shadow access. When employees buy and use apps outside central approval, the organisation loses both cost visibility and governance oversight over the identities connected to those applications. That includes the accounts, tokens, and integrations created to make the app useful. The broader identity lesson is that unmanaged application adoption always expands the access surface. Practitioners should assume every unsanctioned app introduces hidden identity and lifecycle risk, even when the immediate symptom looks like overspend.
Subscription renewals are the point where ownership either proves itself or disappears. The article’s renewal examples show that a project can end while access, payment, and contract terms continue unchanged. That is a governance pattern many identity teams already recognise in dormant human accounts and orphaned NHI credentials. The implication for the field is that renewal management should be treated as an identity accountability checkpoint, not a simple billing reminder.
Named concept: subscription entitlements drift. This is the gap between the business need that justified an app purchase and the access, tier, or renewal state that remains after usage changes. It matters because cost control and identity control fail in the same place when the entitlement outlives the purpose. Practitioners should view subscription entitlements drift as a combined IGA and SaaS-finance problem that needs one ownership model.
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.
- The same report found that 85% of organisations lack full visibility into third-party vendors connected via OAuth apps, which shows how quickly app sprawl becomes identity sprawl.
- For a broader governance lens, see Ultimate Guide to NHIs for the lifecycle controls that help close visibility and ownership gaps.
What this signals
Subscription entitlements drift: when renewal, ownership, and usage decisions live in different systems, cost leakage and access drift reinforce each other. Teams should expect SaaS rationalisation projects to surface identity issues, not just savings opportunities, and plan recertification accordingly.
Finance-led software reviews will increasingly expose unmanaged app adoption, but the real value comes when those reviews feed IAM and IGA workflows. A renewal calendar is only useful if it triggers action on stale access, duplicate tools, and temporary projects that never fully closed out.
The broader signal is that organisations need one operating view across procurement, access, and lifecycle control. Where that view is missing, even modest SaaS estates can accumulate dormant entitlements, hidden integrations, and unnecessary renewals that are hard to unwind later.
For practitioners
- Link renewal review to access recertification Require owners to confirm business need, active users, and entitlement tier before any auto-renewal is approved. Use the renewal calendar as the review trigger, not just as a finance reminder.
- Reconcile app usage with assigned licenses Compare feature usage, user activity, and department allocation to identify over-provisioned seats. Remove or downgrade licenses where consumption does not match the paid tier.
- Treat shadow IT as shadow access Track unsanctioned applications alongside the identities and integrations they create. If a team bypasses procurement, the associated access should still be captured in the identity inventory.
- Make offboarding include SaaS cancellation Add subscription termination and account removal to the leaver process for temporary projects, contractors, and departmental pilots. This prevents dormant apps from auto-renewing after the work is finished.
Key takeaways
- SaaS spend waste is often a symptom of weak ownership, stale access, and poor lifecycle control rather than pricing alone.
- Usage telemetry and renewal checkpoints can turn finance data into practical entitlement and recertification decisions.
- Teams that align procurement, IAM, and offboarding processes reduce both subscription drag and hidden access risk.
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 address the attack and risk surface, while NIST CSF 2.0 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AC-4 | Least privilege and access review align with removing unused SaaS access. |
| OWASP Non-Human Identity Top 10 | NHI-03 | Credential and account lifecycle control matters when app subscriptions and access outlive usage. |
| NIST Zero Trust (SP 800-207) | AC-4 | Continuous verification is relevant when app access and business purpose drift over time. |
Use NHI-03 to tie renewal events to credential and entitlement review before auto-renewal occurs.
Key terms
- Shadow IT: Software or services used without central approval or visibility. In identity terms, it is not only an unsanctioned application problem but also an access inventory problem, because the organisation may create accounts, integrations, and data exposure without any governance record.
- Subscription entitlements drift: The mismatch between why a SaaS application was approved and how its access, tier, or renewal state is still configured later. It usually appears after projects end, roles change, or usage declines, and it creates both wasted spend and stale access risk.
- License right-sizing: Adjusting the number or tier of software licenses to match actual business use. Done well, it reduces cost and reduces excess access at the same time, because users keep only the level of entitlement they genuinely need for their work.
- Renewal governance: The process of reviewing ownership, usage, budget, and business need before a contract renews. In identity-led programmes, renewal governance is a checkpoint for access cleanup, temporary project closure, and confirming that an application still belongs in the stack.
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: Best Practices 3 Strategies For CFOs To Optimize Software Spend. Read the original.
Published by the NHIMG editorial team on 2025-06-26.
NHI Mgmt Group — the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org