TL;DR: Service accounts are non-human privileged identities used by systems, while user accounts are assigned to people, and the distinction shapes how access is granted, reviewed, and revoked across SaaS, cloud, and internal applications, according to Zluri. The governance problem is not naming alone; it is that machine access often carries human-style oversight, which leaves privilege and accountability mismatched.
Editorial analysis by NHI Mgmt Group, based on content published by Zluri: “Service Accounts Vs User Accounts: What Is The Difference?”.
Key questions
Q: What do teams get wrong about service account governance?
A: Teams often treat service accounts like fixed technical objects instead of identities with ownership, purpose, and lifecycle.
Q: Why do service accounts create more access risk than many human accounts?
A: Service accounts often carry persistent, broad permissions so applications keep working without interruption.
Q: How do security teams know if machine identity governance is actually working?
A: It is working when the team can identify every machine identity, name the owner, map the dependency, and show recent rotation or retirement actions.
Practitioner guidance
- Separate service accounts from human user workflows Build distinct inventory, approval, and certification paths for service accounts so machine identities are not reviewed with employee access templates.
- Map every service account to an owning application Require each machine identity to have a named service owner, a known purpose, and a dependency map that identifies which systems break if the account is removed.
- Review standing privileges on non-human identities Check whether service account permissions still match the current workload, especially after application changes, vendor changes, or decommissioning events.
Bottom line: Service accounts and user accounts look similar in directories, but they create different governance obligations and should not be controlled through the same lifecycle model.
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Service-account governance fails when organisations treat machine identities as administrative variants of people. The article shows that service accounts have a different operating model, but many governance processes still force them into human-style access reviews and lifecycle controls. That breaks accountability because the identity is owned by a service, not by a person. Practitioners should govern service accounts as a distinct identity class with its own ownership and certification logic.
A few things that frame the scale:
- Only 5.7% of organisations have full visibility into their service accounts, according to the Ultimate Guide to NHIs.
- 80% of identity breaches involved compromised non-human identities such as service accounts and API keys, according to the Ultimate Guide to NHIs.
A question worth separating out:
Q: What should IAM teams do when a service account is no longer needed?
A: They should retire the account as part of the application or service offboarding process, revoke associated secrets and tokens, and confirm that no downstream systems still depend on it. Leaving the credential in place after the service changes creates avoidable residual privilege and audit exposure.
👉 Read our full editorial: Service accounts vs user accounts: the governance gap teams miss