The market for non-human identity security has grown from a handful of specialists into a crowded category. Dedicated NHI security vendors, secrets management providers, identity governance and PAM platforms, cloud security posture tools and identity visibility platforms all now claim NHI capabilities. They differ widely in what they discover, how deeply they understand each identity, and whether they only report risk or actually help fix it. This vendor-neutral buyer's guide helps you define requirements, compare platforms on the capabilities that matter, ask probing questions and run a proof of concept.
Key takeaways
- NHI security platforms typically combine discovery and inventory, context (ownership, usage, privilege), posture and risk, remediation and lifecycle, and threat detection. Few are equally strong at all five.
- Coverage breadth (clouds, SaaS, identity providers, code, CI/CD, secrets managers, on-premises directories) and depth of context matter more than dashboard polish.
- Prefer platforms that help you remediate, such as rotating, right-sizing, reassigning and decommissioning, not only list findings.
- Check how the platform extends to AI agents and MCP, since that is where NHI growth is fastest.
Define your requirements first
- Which platforms hold your NHIs: which clouds, SaaS applications, identity providers, directories, secrets managers, CI/CD and code repositories?
- What are your priority problems: unknown NHIs, leaked secrets, over-privilege, orphaned identities, third-party OAuth risk, rotation, AI agents?
- Who will use the platform: security operations, IAM, cloud security, developers, GRC?
- What must it integrate with: IGA, PAM, secrets managers, SIEM and SOAR, ticketing, CMDB?
- What is your current maturity? See the Machine-to-Machine Identity Maturity Model.
Capability areas
| Capability | What good looks like |
|---|---|
| Discovery and inventory | Finds service accounts, service principals, IAM roles and users, API keys, OAuth apps, tokens, certificates and secrets across all your platforms; correlates the same identity across systems |
| Context | Shows owner, consuming workload, usage, last activity, permissions granted versus used, credential age and where secrets are stored |
| Posture and risk | Prioritises risk by privilege, exposure, staleness and data sensitivity; maps to OWASP NHI Top 10 |
| Secret detection | Finds secrets in code, CI/CD, collaboration tools and images; validates whether they are live; links them to the identities they belong to |
| Third-party and OAuth risk | Inventories OAuth grants and SaaS-to-SaaS integrations with scopes and vendors |
| Remediation and lifecycle | Guided or automated rotation, privilege right-sizing, ownership assignment, disabling and decommissioning, with workflow into ticketing |
| Threat detection | Detects anomalous NHI behaviour and credential misuse; integrates with SIEM and SOAR |
| Governance | Ownership attestation and access reviews for NHIs, or integration with your IGA platform |
| AI agents | Discovers AI agents, AI API keys and MCP servers; links agents to their credentials |
Evaluation criteria
Coverage and accuracy
- List every connector you need, and confirm each is available today.
- Ask how the platform correlates identities across systems (for example, a secret in code to the cloud role it grants).
- Measure false positives and missed identities during the proof of concept.
Depth of context
- Can it show which workload uses each identity, and which permissions are actually used?
- How does it infer owners, and how accurate is it?
Remediation
- Which remediations are automated, which are guided and which are just recommendations?
- Does it integrate with your secrets manager for rotation, and with ticketing for owner workflows?
- Can remediation be staged safely (disable, observe, delete)?
Security of the platform
- What access does the platform itself need, and does it store secret values or only metadata?
- How are its own credentials to your environments protected?
Operations
- Deployment model, data residency, performance at your scale and pricing model (per identity, per connector, per environment).
Questions to ask vendors
- Show us an API key found in a repository, and trace it to the cloud identity it belongs to, the permissions it grants and its owner.
- How do you distinguish a service account used by a workload from one used interactively by a person?
- What percentage of findings can be remediated automatically in our environment?
- How do you discover OAuth apps and their scopes across our identity provider and SaaS platforms?
- How do you handle AI agents, AI API keys and MCP server configurations?
- Do you store secret values? If you validate secrets, how?
- Which OWASP NHI Top 10 risks do you address, and how would we verify it?
Red flags
- Discovery limited to one cloud or one platform, presented as full coverage.
- Risk scores with no explanation of what drives them.
- No path from finding to remediation, only reports.
- Platform requires broad write permissions without a clear justification.
- Roadmap features presented as available.
Running a proof of concept
- Connect a representative slice: at least one cloud, your identity provider, a key SaaS platform, source code and CI/CD.
- Seed known test cases: a leaked test key, an orphaned service account, an over-privileged role, a dormant OAuth app.
- Measure: coverage, correlation accuracy, owner inference accuracy, false positives, time to value and remediation effort.
- Test at least one end-to-end remediation, such as rotating a secret or removing unused permissions.
- Involve IAM, cloud security, security operations and a development team.
How NHI platforms fit with other tools
- Secrets managers store and rotate secrets; NHI platforms find secrets outside them and govern the identities they belong to. See the Secrets Management Buyer's Guide.
- IGA governs access and reviews; some NHI platforms feed IGA, others provide their own governance. See the IGA Buyer's Guide.
- PAM vaults privileged credentials and controls sessions. See the PAM Buyer's Guide.
- IVIP and ISPM provide cross-identity visibility and posture. See the IVIP and ISPM Buyer's Guide.
- AI agent identity tools focus on agents and MCP. See the AI Agent Identity Security Buyer's Guide.
How NHI Mgmt Group can help
We provide independent market analysis, requirements definition and RFP support for NHI security programmes. Browse vendors in our NHI and AI products directory or contact us.
Related NHI Mgmt Group resources: The Ultimate Guide to Non-Human Identities · Top 10 NHI Issues · NHI Lifecycle Management Guide · OWASP NHI Top 10
