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25/06/2026 5:02 pm
TL;DR: NHI security protocols depend on visibility, least privilege, vaulting, rotation, JIT access, onboarding and offboarding, and continuous monitoring to reduce the blast radius of leaked API keys, service accounts, and other machine identities, according to Entro Security. The governance problem is structural: static review cycles cannot compensate for standing privilege, hidden sprawl, and unmanaged lifecycle drift.
NHIMG editorial — based on content published by Entro Security: Implementing NHI security protocols in your organization
By the numbers:
- Only 20% have formal processes for offboarding and revoking API keys, and even fewer have procedures for rotating them.
- 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface.
- 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 implement least privilege for non-human identities?
A: Start by tying each non-human identity to one business function, one owner, and one approved system scope.
Q: Why do service accounts and API keys create more lateral movement risk than teams expect?
A: Because they often carry standing access that outlives the original task and is reused across systems.
Q: What breaks when NHI secrets are stored in code or CI/CD systems?
A: You lose the containment boundary.
Practitioner guidance
- Inventory every machine identity and assign ownership Create a living register for service accounts, API keys, certificates, bots, and workload identities.
- Remove standing access wherever a task can be time-bound Convert persistent permissions into task-scoped, just-in-time access for administrative or sensitive operations.
- Centralise secrets in controlled vault workflows Move credentials out of source code, config files, and pipelines into approved vault processes with audit trails and retrieval controls.
What's in the full article
Entro Security's full blog covers the operational detail this post intentionally leaves for the source:
- Role-based education guidance for engineers, operations staff, and business owners who touch non-human identities
- Practical examples of how to set access restrictions and time limits for different machine identity types
- Operational detail on vaulting, rotation, zero trust, JIT access, onboarding, and offboarding workflows
- Monitoring and remediation workflow ideas for abnormal behaviour and shadow API exposure
👉 Read Entro Security's guide on implementing NHI security protocols →
NHI security protocols: what IAM teams should tighten first?
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25/06/2026 5:31 pm
NHI governance fails first when identity is created faster than accountability. The article correctly centres inventory, access scoping, and lifecycle control because machine identities become dangerous when no one can prove who owns them or why they still exist. That is not a tooling problem alone. It is a governance problem that cuts across IAM, PAM, and operational ownership, and practitioners should treat unknown NHIs as unmanaged privilege, not harmless automation.
A few things that frame the scale:
- 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface, according to Ultimate Guide to NHIs.
- 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures.
A question worth separating out:
Q: Who is accountable when a non-human identity is over-privileged or left active after offboarding?
A: Accountability should sit with the service owner, the system owner, and the security function that approved the entitlement model. If the identity has no clear owner or its permissions were never revisited, the governance failure is organisational, not technical. Frameworks such as the NIST Cybersecurity Framework 2.0 help formalise that accountability.
👉 Read our full editorial: Implementing NHI security protocols for identity governance
