Security and IT teams should start by tracking real usage, not just purchased licenses. Build a centralized inventory of subscriptions, compare assigned seats with active users, and flag apps that are duplicated, underused, or disconnected from business goals. That approach exposes waste, supports faster consolidation decisions, and reduces the chance that shadow IT inflates cost without improving productivity.
Why Usage Data Beats License Counts for SaaS Spend Control
The question is really about separating procurement noise from real business value. A subscription looks wasteful only when its usage pattern, ownership, and business purpose are visible, so the first job is to measure actual consumption and compare it with what was purchased. That turns cost review into an evidence-based exercise instead of a renewal discussion driven by vendor invoices.
What matters most is whether an app is producing active work, not whether it was approved once. A seat that is assigned but never used, or used only by one team while another maintains a duplicate tool, is a concrete signal that spend is drifting away from value. Centralising that view also helps teams distinguish legitimate seasonal dips from persistent underuse.
Usage data is strongest when it is tied to a named owner and a business objective. Without that context, teams can identify underused subscriptions but still struggle to decide whether to consolidate, renegotiate, or retire them. The practical test is whether the subscription supports a current workflow, a regulated process, or a capability that would be costly to recreate.
Which Subscription Patterns Usually Hide Unnecessary Spend?
Duplicate apps are one of the most common forms of hidden waste, especially when teams adopt tools incrementally without a shared inventory. Another is partial adoption, where only a fraction of purchased seats are ever activated. A third is shadow IT, where a small group keeps paying for a separate service even after the organization standardizes on something else.
Discounted trial conversions and legacy renewals can also distort the picture. A product may remain on auto-renew because no one owns the decision, not because it remains strategically useful. In practice, the clearest candidates for review are subscriptions with no active users, no recent business sponsor, or overlapping functionality with a platform the company already pays for.
Teams should also distinguish low-frequency but essential tools from genuinely idle ones. Some SaaS products are used quarterly, at month-end, or only by a small specialist group, which makes raw login counts misleading. The question is not simply whether usage is low, but whether the low usage is consistent with the tool’s intended role.
How Should Teams Build a Reliable SaaS Spend Review?
Start with a centralized inventory that links each subscription to an owner, cost center, number of seats, renewal date, and current user count. Then compare assigned seats with recent activity and group applications by function so duplicate capabilities become obvious. That combination gives finance, IT, and security one view of where spend is concentrated and where it is leaking.
The next step is to standardize review criteria. A subscription should be flagged when it is duplicated, underused, outside a defined business process, or missing a clear owner. From there, teams can decide whether the right action is consolidation, seat reduction, cancellation, or reassignment to a different business unit.
This review works best when the data is refreshed regularly rather than only at renewal time. A quarterly or monthly cadence catches drift early and prevents the organization from paying for a full year of inactivity. It also makes negotiations easier because the team can separate one-off exceptions from structural overspend.
Risk and Threat Considerations
Quiet SaaS waste is usually a governance problem first, but it can also create security exposure. The same subscriptions that sit unused often carry stale accounts, orphaned owners, or duplicate workflows that are harder to monitor, which means cost inefficiency and control weakness tend to appear together.
Failure mechanism: Teams lose visibility into who is using an application, who owns it, and whether the tool still serves a business purpose. That makes it easier for shadow IT, dormant accounts, and duplicated services to persist past the point where they should have been reviewed.
Impact: Unnecessary spend continues, but the larger issue is that overlooked subscriptions can retain access paths, data exposure, and administrative obligations that no one is actively governing.
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 and CIS Controls v8 set the technical controls, while ISO/IEC 27001:2022 defines the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | GV.OC-01 — Organizational Context | SaaS spend review depends on matching subscriptions to business purpose. |
| ID.AM-01 — Physical devices and systems within the organization are inventoried | A centralized SaaS inventory is the core mechanism for finding waste. | |
| ID.RA-01 — Asset vulnerabilities are identified and documented | Underused, duplicated, and shadow IT subscriptions represent governance and exposure gaps. | |
| Recommendation — Tie each subscription to an approved business capability before deciding to retain or cut it. Maintain a current inventory of SaaS applications, owners, and renewal dates. Identify duplicated and underused subscriptions as review candidates for consolidation or retirement. | ||
| CIS Controls v8 | CIS-1 — Inventory and Control of Enterprise Assets | Managing SaaS subscriptions requires an authoritative asset inventory. |
| CIS-5 — Account Management | Seat assignment versus active use is an account governance issue. | |
| Recommendation — Inventory all SaaS services with ownership, cost, and usage data. Remove or reassign SaaS access that is no longer actively used. | ||
| ISO/IEC 27001:2022 | A.5.9 — Inventory of information and other associated assets | SaaS subscriptions are assets that need a controlled inventory and owner. |
| Recommendation — Record each subscription as an owned asset with business purpose and lifecycle status. | ||
Practitioner Guidance
What to prioritise: Review subscriptions with the highest seat counts, the weakest usage, or the least clear ownership first, because that is where small errors produce the biggest savings and the largest governance gaps.
What to verify: Before trusting any “unused” label, confirm whether the product has scheduled, infrequent, or service-driven use that does not show up in normal login reporting. If usage is low but business-critical, the right action may be seat right-sizing rather than cancellation.
Practitioner takeaway: The best cost signal is not a purchased license, it is a subscription with a known owner, a clear business purpose, and measurable active use that justifies what the organization keeps paying for.
Related resources from NHI Mgmt Group
- How should security teams identify redundant SaaS applications before cutting spend and reducing access sprawl?
- How should security teams identify and reduce hidden cloud connectivity that is driving unnecessary cost and risk?
- How should security teams prioritise NHI remediation in cloud environments?
- How should security teams govern non-human identities at scale?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on September 26, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
