By NHI Mgmt Group Editorial TeamBased on Soffid: “Tipos de identidades IAM: qué son y cómo gestionarlas de forma segura” (August 11, 2025)

TL;DR: IAM governs human, machine and federated identities by defining, authenticating, authorising, auditing and reporting access, but fragmented point solutions increase complexity, cost and blind spots, according to Soffid's overview. Unified governance matters because identity control only works when lifecycle, privilege and visibility are managed across all identity types, not as isolated tools.


At a glance

What this is: This is a Spanish-language IAM overview arguing that human, machine and federated identities need unified governance because separate tools leave blind spots and increase operational risk.

Why it matters: It matters because practitioners responsible for NHI, autonomous and human identity programmes need one governance model for lifecycle, privilege and visibility across mixed identity estates.


Context

Identity and access management is the control layer that decides which identities can reach which systems, and under what conditions. In this article, the identity types are human users, machine identities and federated identities, with the governance question centred on whether those access paths are controlled as one estate or left fragmented across tools.

The governance gap is not authentication alone. When authentication, privilege management, auditing and reporting are split across separate products, organisations lose end-to-end visibility and make it harder to see whether an identity, human or non-human, is still operating within its intended scope.


Key questions

Q: How should security teams build identity governance across humans, machines, and AI agents?

A: Start with a single inventory that records identity type, ownership, access scope, and system relationships across human users, service accounts, tokens, and AI agents. Then align IAM, PAM, and security monitoring around the same data so entitlement review, anomaly detection, and offboarding use one governance picture instead of three disconnected ones.

Q: Why does fragmented IAM increase operational and security risk?

A: Fragmented IAM increases risk because access data, review states, and revocation actions diverge across tools. That creates blind spots, slows response, and makes it harder to prove that access was removed correctly. In practice, the organisation inherits multiple partial truths instead of one defensible record of entitlement.

Q: What breaks when federated identities are treated as enough on their own?

A: Federation improves access convenience, but it does not remove the need for least privilege, policy enforcement or review. If organisations assume a trusted federation login equals safe access, they often over-scope permissions and under-review entitlements. The result is broader access than the business actually needs.

Q: Why do machine identities need different governance than human accounts?

A: Machine identities lack the human anchors that make access reviews reliable, such as managers, HR events, and predictable offboarding. Their ownership is often ambiguous, their usage is hidden inside workloads, and their permissions can expand quietly. Governance must therefore rely on evidence, accountability, and lifecycle controls built for systems, not people.


Technical breakdown

Human identities, machine identities and federated identities

The article draws a practical distinction between identity subjects and identity representations. A person, device or software agent can each hold more than one digital identity, and a federated model extends those representations across platforms and organisations. That helps with single sign-on and hybrid access, but it also expands the number of trust relationships that must be governed, especially when the same subject has multiple credentials or profiles in different domains.

Practical implication: model the subject, the digital identity and the access boundary separately so governance does not collapse into one over-broad account model.

Why fragmented IAM tools create blind spots

Soffid's article argues that separate products for authentication, privileged access, auditing and lifecycle control make IAM harder to govern, not easier. Each tool may do its own function well, but the organisation still lacks a single view of who or what has access, why that access exists, and whether it should still exist. That fragmentation weakens auditability and makes policy enforcement inconsistent across identity types.

Practical implication: inventory where identity control is split across vendors and identify which decisions cannot be validated end to end.

Federation and zero trust for access scope

Federated identity reduces login friction in cloud and hybrid environments, but the article correctly notes that federation alone does not guarantee safe access. The security requirement is that each identity receives only the credentials and permissions it actually needs, with authentication and authorisation still enforced by governance controls. In practice, federation changes the transport of trust, not the need for access scoping.

Practical implication: treat federation as an access pattern that still needs least privilege, policy enforcement and review.


NHI Mgmt Group analysis

Unified governance is now the baseline IAM problem, not a nice-to-have architecture choice. Once human users, workloads and federated profiles all interact with the same digital services, control quality depends on how consistently identity is defined, authorised and reviewed across the whole estate. Separate tools can cover functions, but they do not create a coherent governance model. Practitioners should treat fragmented identity control as a structural risk to visibility and accountability.

Federation expands trust relationships faster than most organisations expand governance. The article is right to frame federated identity as an enabler of cloud and hybrid access, but every new federation link increases the number of places where scope, lifecycle and assurance can drift. The practical lesson is that trust federation without unified policy enforcement becomes a distribution problem, not a control problem.

Machine identities belong in the same governance conversation as human identities. Workloads, APIs and service accounts are not side cases once they are part of core business transactions. A governance model that privileges human IAM first and treats machine access as an afterthought will miss the highest-volume access paths in modern environments.

Identity fragmentation creates governance drag: the organisation spends more effort reconciling tools than governing access. That is the real cost of separating authentication, PAM, auditing and IGA into disconnected stacks. The implication for practitioners is to measure whether identity controls reduce decision latency and improve visibility, or merely redistribute complexity across teams.

Lifecycle control is the unifying lens across identity types. The article points to provisioning, changes and removal as the operational heart of IAM, which is the right place to anchor governance. Whether the subject is a person, a service account or a federated profile, access becomes safe only when lifecycle state, privilege and audit evidence move together. Practitioners should use lifecycle as the common denominator for policy design.

What this signals

Identity fragmentation is the hidden programme tax: once IAM is split across authentication, auditing, privilege management and lifecycle tools, the organisation spends more effort reconciling controls than reducing risk. For practitioners, the signal is not tool count alone but whether identity decisions can still be traced end to end across human, machine and federated access paths.

Federated access will keep expanding, but federation should be treated as a trust distribution pattern rather than a control endpoint. The programme question is whether policy, review and revocation remain consistent after trust crosses organisational or platform boundaries.

The same governance model must now cover users, workloads and service-like access paths. If lifecycle, privilege and audit evidence are not managed together, identity control becomes fragmented even when the authentication experience looks seamless.


For practitioners

  • Map identity types before tooling decisions Separate human, machine and federated identities in your access model so each type has explicit ownership, scope and review expectations.
  • Consolidate fragmented IAM functions Identify where authentication, PAM, auditing and lifecycle controls are split across tools and determine which decisions cannot be validated end to end.
  • Scope federated access by need Limit federated credentials to the minimum access required and keep authorisation decisions tied to policy rather than to the presence of a trusted login.
  • Build lifecycle governance across all identities Align provisioning, privilege changes, recertification and deprovisioning so the same governance process applies to users, workloads and shared access paths.

Key takeaways

  • IAM governance is most effective when human, machine and federated identities are managed under one operating model.
  • Splitting authentication, auditing and privilege control across separate tools makes it harder to see and prove effective access governance.
  • Practitioners should anchor identity strategy in lifecycle, scope and visibility, not in the number of point solutions deployed.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0, CIS Controls v8, NIST SP 800-53 Rev 5 and NIST Zero Trust (SP 800-207) set the technical controls, while ISO/IEC 27001:2022 defines the regulatory obligations.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AA-05 — Access Permissions, Entitlements and AuthorizationsThe article centres on governing access scope across identity types.
Recommendation — Apply PR.AA-05 to keep entitlements consistent across human, machine and federated identities.
CIS Controls v8CIS-5 — Account ManagementThe article discusses lifecycle, provisioning and deprovisioning across identity classes.
Recommendation — Use CIS-5 to standardise account and identity lifecycle management across the estate.
NIST SP 800-53 Rev 5IA-5 — Authenticator ManagementAuthentication, credential control and rotation are part of the article's core IAM scope.
Recommendation — Apply IA-5 to govern credential lifecycle and authentication methods for all identity types.
NIST Zero Trust (SP 800-207)Principle of least privilege — Least privilegeThe article explicitly ties federated and privileged access to minimum necessary scope.
Recommendation — Enforce least privilege so federated access and machine access do not exceed operational need.
ISO/IEC 27001:2022A.5.16 — Identity ManagementThe article is fundamentally about organising identity governance across multiple identity types.
Recommendation — Implement A.5.16 to assign identity ownership, scope and review across human and non-human identities.

Key terms

  • Federated Identity: Federated identity lets one organisation trust an external identity provider so a user can access another service without creating a separate account. It simplifies access, but it also expands the trust relationship that must be monitored. Weak federation settings can turn a single compromise into cross-domain access.
  • Machine Identity: The digital identity of a machine, device, or workload, such as a server, container, or VM, used to authenticate it within a network. Sometimes used interchangeably with NHI, though NHI is the broader category.
  • Identity Lifecycle Event: A business event that changes a person’s access, obligations, or record status, such as hiring, role change, or offboarding. In HR programmes, these events often drive entitlement changes and evidence requirements, so they need to be governed as part of the identity lifecycle rather than handled as isolated paperwork.
  • Unified Governance Platform: A unified governance platform is a system that combines spend, risk, and control data into one reporting view. In practice, it reduces manual reconciliation and gives leaders a single operating picture for compliance, assurance, and investment decisions across the enterprise.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM programme, it is worth exploring.
NHIMG Editorial Note
Published by the NHIMG editorial team on July 11, 2026.
Updated on October 11, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org