Accountability should sit with the security and risk owners who understand the use case, controls, and business impact. Procurement can help manage process, but the decision should rest with the teams responsible for architecture, assurance, and governance. That keeps marketing signals from overriding operational requirements or risk acceptance criteria.
Why This Matters for Security Teams
Vendor selection is not a branding exercise when the product will handle secrets, workload access, or privileged automation. Security and risk teams need to evaluate whether a supplier can meet control requirements, offboarding expectations, and identity governance before momentum turns into a de facto approval. NHI Mgmt Group research shows that 80% of identity breaches involved compromised non-human identities such as service accounts and API keys, which makes selection decisions a governance issue, not a marketing one. See the Ultimate Guide to NHIs — The NHI Market and NIST SP 800-53 Rev 5 Security and Privacy Controls for the control baseline that should shape that decision.
The common failure is letting award-driven momentum create false confidence that a vendor is mature enough to handle sensitive NHI use cases. Procurement can manage process, but it cannot own the architecture, assurance, or residual risk judgment. The right accountable party must understand how the product handles identity scope, secrets lifecycle, logging, and revocation, and must be prepared to say no when those controls are weak. In practice, many security teams encounter gaps only after a pilot has already been treated as an approved deployment, rather than through intentional risk review.
How It Works in Practice
Accountability should be assigned to the security and risk owners who can evaluate the technical fit, while procurement coordinates timelines, documentation, and commercial terms. For NHI-related tools, the decision should hinge on whether the vendor supports least privilege, short-lived credentials, secure secrets storage, auditability, and clean offboarding. That evaluation should be tied to the use case, not to claims, awards, or analyst badges. Current guidance suggests using control mappings from frameworks such as NIST SP 800-53 Rev 5 Security and Privacy Controls to translate business expectations into testable requirements.
- Define the control owner before vendors are shortlisted.
- Require evidence for identity, access, and secrets handling, not just product descriptions.
- Test how quickly access can be revoked, rotated, or disabled after onboarding ends.
- Verify who signs off on exceptions and what risk acceptance authority they hold.
For broader NHI governance context, the Ultimate Guide to NHIs — The NHI Market highlights why visibility, rotation, and offboarding must be treated as operational requirements rather than optional features. The accountable owner should also require a documented exit path if the product cannot be safely removed or if credentials cannot be fully revoked. These controls tend to break down when a fast-moving pilot is promoted into production before the security review has validated revoke, rotate, and recover workflows.
Common Variations and Edge Cases
Tighter governance often slows down vendor selection, so organisations have to balance speed against the cost of adopting a tool that cannot meet assurance needs. In some cases, a business sponsor may strongly advocate for a vendor because of awards, analyst coverage, or peer adoption, but that influence should remain advisory. There is no universal standard for this yet, especially for emerging agentic and NHI tooling, so decision rights need to be explicit and documented.
Edge cases arise when a vendor is already embedded in a critical workflow, when procurement owns master agreements, or when the security team lacks deep platform expertise. In those situations, best practice is evolving toward a shared evaluation model with clear accountability: procurement manages commercial process, security owns control validation, and risk owners approve residual exposure. If the product touches credentials, service accounts, or delegated automation, the final decision should still sit with the function that can judge whether the control gap is acceptable. For additional operational context, NHI Mgmt Group’s research on the market helps separate signal from hype in Ultimate Guide to NHIs — The NHI Market.
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 address the attack and risk surface, while NIST CSF 2.0, NIST SP 800-63, NIST Zero Trust (SP 800-207) and NIST AI RMF set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-01 | Vendor choice affects NHI control design and secret handling. |
| NIST CSF 2.0 | GV.RM-01 | Risk governance should own approval, not procurement alone. |
| NIST SP 800-63 | Identity assurance matters when vendors manage delegated access. | |
| NIST Zero Trust (SP 800-207) | PR.AC-4 | Zero Trust requires least-privilege decisions at the control owner level. |
| NIST AI RMF | GOV-1 | Accountability for AI-enabled vendor decisions needs governance ownership. |
Make security accountable for access decisions and validate least-privilege enforcement in vendor workflows.
Related resources from NHI Mgmt Group
- Who is accountable for deciding whether vaults should log users out instead of only locking them?
- Who is accountable when API-driven access changes affect contracts, licences, or user permissions?
- Who should be accountable for cybersecurity policy review and vendor risk oversight?
- Who is accountable when GenAI outputs influence government decisions or security actions?
