Because SaaS spend and SaaS access are now tightly coupled. The same data that shows underused licenses also shows stale accounts, shadow IT, and unjustified permissions, so finance-only management misses the security and lifecycle issues that matter to IAM and NHI teams.
Why This Matters for Security Teams
SaaS platforms no longer behave like a simple expense line. They are also identity surfaces, because every subscription implies a user, a role, a token, a delegated permission, or an inactive account that can still reach sensitive data. That is why finance-only management misses the controls that matter to IAM, security operations, and NHI governance. NIST Cybersecurity Framework 2.0 makes the point implicitly: asset visibility and access governance belong together, not in separate silos.
NHIMG research shows how quickly identity risk accumulates when access is not governed as part of the same lifecycle. The Ultimate Guide to NHIs notes that 97% of NHIs carry excessive privileges, and the same pattern often appears in SaaS admin roles, OAuth grants, and service integrations. In practice, many security teams encounter stale access and shadow IT only after an audit, breach, or reclaim exercise has already exposed the gap.
How It Works in Practice
The operational model is straightforward: SaaS inventory should feed identity governance, and identity governance should feed finance. A platform with 500 paid seats is not just a cost center. It is a live record of who can authenticate, which accounts are dormant, which entitlements are unjustified, and where privilege has drifted beyond business need. That makes usage data valuable for access reviews, offboarding, and privileged access management, not only for renewal negotiations.
Good practice usually combines three views. First, procurement and finance confirm what was purchased. Second, identity governance checks who was assigned, who is active, and who still has delegated access. Third, security verifies whether the account is human, service-based, or tied to an integration that should be treated as an NHI. The NIST framework helps structure this cross-functional approach, while the Top 10 NHI Issues page highlights how frequently secrets, privileged accounts, and weak lifecycle controls become the real problem behind SaaS sprawl.
In practice, teams use this alignment to drive monthly reclaim, quarterly access recertification, and automated offboarding for both users and machine identities. That includes detecting duplicate seats, identifying OAuth apps that outlive the business need, and revoking tokens when a department changes ownership. Where possible, the workflow should also flag third-party integrations so they are reviewed like any other access path, not treated as harmless vendor plumbing.
These controls tend to break down in organisations with decentralised app procurement because no single team owns the full chain from purchase to privilege revocation.
Common Variations and Edge Cases
Tighter governance often increases operational overhead, so organisations need to balance cost savings against access hygiene and auditability. That tradeoff becomes sharper when SaaS is purchased by departments outside IT, or when engineering teams manage their own tooling and API access. In those cases, a finance-led seat review can still reduce waste, but it will not catch the more important security issues unless identity data is part of the process.
There is no universal standard for this yet, but current guidance suggests treating SaaS admin roles, delegated permissions, and machine-to-machine connectors as part of identity governance rather than pure procurement. The Ultimate Guide to NHIs and the 52 NHI Breaches Analysis both reinforce the same lesson: unused or forgotten access often survives long after a contract changes, because ownership is split across finance, IT, and the business.
Edge cases matter most with freemium tools, contractor access, and embedded SaaS integrations. Those environments can look low-risk from a spend perspective while quietly accumulating privileged accounts and long-lived tokens. Best practice is evolving toward continuous reconciliation, where finance, IAM, and security each own a piece of the same control loop rather than separate reports.
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 and CSA MAESTRO address the attack and risk surface, while NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AA-01 | Identity governance depends on knowing who and what is accessing SaaS. |
| OWASP Non-Human Identity Top 10 | NHI-03 | SaaS apps often hold stale secrets and delegated access that need lifecycle control. |
| CSA MAESTRO | IAM-02 | Agentic and machine access to SaaS must be governed as an identity risk. |
Track, rotate, and revoke SaaS-linked secrets and tokens on a defined schedule.
