Identity-first security for NHIs: what changes for IAM teams?

TL;DR: Machine-to-machine access now dominates many environments while identity programmes still over-index on humans, leaving static credentials, shared service accounts, and unmanaged API keys exposed, according to Defakto Security’s Gartner Cool Vendor recognition. That gap makes identity-first NHI governance a board-level control issue, not a tooling preference.

NHIMG editorial — based on content published by Defakto Security: Identity-first security for non-human identities and Gartner Cool Vendor recognition

By the numbers:

• NHIs outnumber human identities by 25x to 50x in modern enterprises.
• Only 20% have formal processes for offboarding and revoking API keys, and even fewer have procedures for rotating them.
• 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools.

Questions worth separating out

Q: How should security teams govern non-human identities in cloud and hybrid environments?

A: They should treat every workload, service account, API key, and certificate as a governed identity with ownership, purpose, scope, and expiry.

Q: Why do shared service accounts create so much identity risk?

A: Shared service accounts obscure who is acting, weaken audit trails, and make revocation risky because multiple systems depend on the same access.

Q: When should organisations move from static credentials to short-lived machine identity?

A: They should move when access is used by workloads, pipelines, or services that do not need persistent trust.

Practitioner guidance

• Define ownership for every non-human identity Assign a named business or platform owner to each service account, API key, certificate, and workload identity so revocation and recertification are not orphaned.
• Replace shared credentials with unique machine identities Remove shared service accounts where possible and issue distinct identities for each workload, pipeline, or integration so audit trails remain attributable.
• Adopt short-lived access for machine systems Use ephemeral issuance and policy-based revocation for workloads that only need temporary access, especially across cloud and hybrid environments.

What's in the full analysis

Defakto Security's full post covers the operational detail this post intentionally leaves for the source:

• The vendor's explanation of how its identity-first model handles short-lived identities across distributed systems.
• Details on how Defakto describes replacing long-lived credentials and shared service accounts in practice.
• The original Gartner citation and the vendor's interpretation of why the Cool Vendor recognition matters.
• Context on how the company frames governance simplification for Security, IAM, and DevOps teams.

👉 Read Defakto Security's analysis of identity-first security for non-human identities →

Identity-first security for NHIs: what changes for IAM teams?

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