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HIPAA164.312 — Person or Entity Authentication

§164.312(d)

Person or Entity Authentication

HIPAA · 45 CFR Part 164 · Last verified August 2026

Objective

Verify that a person or system seeking access to ePHI is the person or entity it claims to be.

Points of focus

  • Authenticate human users before granting ePHI access
  • Authenticate services and external entities
  • Strengthen authentication according to access risk

Implementation notes

Use phishing-resistant MFA for privileged humans, short-lived workload identities for services, and scoped partner credentials per tenant and environment; rotate or revoke credentials through tested workflows. Operationalize authenticate human users before granting ephi access in ticketing, IdP, or GRC workflows with named owners — not only in a static policy PDF. Retain idp mfa and authentication-policy configuration with reviewer identity, population scope, dates, and remediation outcomes auditors can sample. A recurring failure mode is that a partner integration uses one permanent shared secret across environments Revisit after material architecture, vendor, data-flow, or leadership changes and document the decision.

Audit tip: Sample idp mfa and authentication-policy configuration with dates and named reviewers. Be ready to walk through how you detect and correct: a partner integration uses one permanent shared secret across environments

Evidence auditors typically request:

  • IdP MFA and authentication-policy configuration
  • Workload identity, certificate, or API credential inventory
  • Authentication logs and failed-login investigations

Common gaps

  • A partner integration uses one permanent shared secret across environments
  • Support agents can enter an ePHI session after only password authentication

Cross-Framework Mapping

FrameworkRequirementImplementation note
HIPAA§164.312(d)This control
SOC 2CC6.1, CC7.2SOC 2 evidence can support the safeguard, but HIPAA scope and Required/Addressable analysis remain distinct.
ISO 27001A.5.15, A.8.15ISO controls offer reusable operational evidence without replacing the Security Rule analysis.
GDPRArticle 32Article 32 overlaps for ePHI that is also EU personal data, subject to each law's scope.

Primary sources

Frequently Asked Questions

Person or Entity Authentication applies to the systems and commitments in your Security Rule scope. Translate the requirement into concrete operating workflows — authenticate human users before granting ephi access — with evidence stored where auditors and customers can sample it.

Lead with idp mfa and authentication-policy configuration and pair it with workload identity, certificate, or api credential inventory. Samples should show who performed the control, when, against which population, and what changed as a result.

Teams often fail because a partner integration uses one permanent shared secret across environments Close the loop with dated operating records and test the control on a realistic production path.

Control operation can often be shared across SOC 2, ISO 27001, GDPR, and HIPAA — but each framework uses different vocabulary and accountability. Maintain an explicit crosswalk rather than assuming equivalence.

Review at least annually and after material product, vendor, or data-flow changes. High-risk or privileged paths may need quarterly sampling even when the criterion does not prescribe a cadence.

Framework versions referenced in this page:

  • HIPAA — 45 CFR Part 164

Last verified: August 2026 · Primary sources linked above