Value Curve

What the value curve means in identity security

The value curve describes how identity investment produces returns over time. At the low end, basic administration removes obvious friction. As maturity rises, the same spending can deliver larger gains through stronger risk reduction, better productivity, tighter compliance, and more efficient operations.

This is why the curve matters in identity programs: the return is often not linear. A small improvement in governance, automation, or access policy can affect many downstream systems at once, while simple account provisioning improvements usually produce narrower benefits.

Why the curve bends at higher maturity

The curve bends when identity stops being treated as a help desk function and becomes a control plane. Once provisioning, access review, authentication, and lifecycle decisions are coordinated, the organisation can reduce repeated manual work and remove classes of avoidable access risk.

That bend usually comes from compounding effects. Better identity data improves policy decisions, policy improves enforcement, enforcement reduces exceptions, and fewer exceptions make reviews and audits cheaper. The benefit is not just fewer incidents, but less operational waste created by inconsistent identity handling.

Where the return comes from

The strongest returns usually show up in areas where identity decisions repeat at scale. Access certification, joiner-mover-leaver workflows, privileged access, service access, and token or secret handling all benefit when the identity layer is managed consistently rather than as isolated tasks.

In mature environments, identity investment can also improve adjacent controls by making entitlement data more reliable. That helps security teams answer who has access, why access exists, and whether access still matches business need. The result is better control confidence, not just faster administration.

For a broader control baseline, many teams anchor these improvements in NIST SP 800-53 Rev 5 Security and Privacy Controls and in the zero trust principle of continuous verification described in NIST SP 800-207 Zero Trust Architecture.

How to interpret the curve in practice

The value curve is not a promise that every identity project will pay back the same way. It is a reminder that maturity changes the shape of value. Basic cleanup can reduce obvious waste, but higher-order gains usually come from better governance, automation, and trust decisions across the identity lifecycle.

That is why the question is not only whether identity controls exist, but whether they are integrated enough to create leverage. When identity data, policy, and enforcement are aligned, the organisation can move from isolated fixes to repeatable business return.

Risk and Threat Considerations

Identity programs that stay stuck at the low end of the curve often leave the most expensive risks untouched, such as excessive access, stale accounts, and weak entitlement visibility. The result is a system that looks controlled on paper but still accumulates exposure in day-to-day operations.

Failure mechanism: Manual administration scales poorly, so exceptions, orphaned access, and inconsistent reviews grow faster than the team can correct them. Attackers and insiders can then exploit the gaps created by incomplete lifecycle control or weak privilege governance.

Impact: Organisations lose both security and efficiency. Poor identity maturity can increase the chance of unauthorized access, slow incident response, raise audit effort, and make future remediation more expensive than the original investment would have been.

Practitioner Guidance

Why practitioners should care: The value curve is a budgeting and prioritisation tool, not just a maturity slogan. It helps teams distinguish between investments that only reduce administrative toil and investments that actually compound into risk reduction, auditability, and operational leverage.

Common misunderstanding: Teams sometimes assume identity value appears uniformly as soon as a tool is deployed. In practice, the return usually depends on whether the program improves lifecycle discipline, policy quality, and enforcement consistency across the environment.

Practitioner takeaway: If an identity initiative does not improve decisions or reduce repeated manual exceptions, it is probably sitting too low on the curve to create durable return.

Related resources from NHI Mgmt Group

• Identity Value Curve
• When do NHI access reviews create more value than a one-time cleanup?
• When does SSH forwarding create more risk than value?
• How should security teams measure the business value of identity security?