Implement the HIPAA Security Rule (45 CFR Part 164 Subpart C) to protect electronic protected health information (ePHI): conduct the required risk analysis, deploy the administrative, physical, and technical safeguards, handle required vs addressable implementation specifications, execute Business Associate Agreements, and stand up breach-notification readiness. Use when an organization is a HIPAA covered entity or business associate, when protecting ePHI, when preparing for an OCR audit or responding to a breach, when performing a HIPAA Security Risk Analysis, when drafting or reviewing a BAA, or when mapping security controls to the §164.308/310/312/314/316 safeguards. Notes the 2025 NPRM proposed changes (not yet final). Keywords: HIPAA, HIPAA Security Rule, ePHI, PHI, 45 CFR 164, risk analysis, administrative safeguards, physical safeguards, technical safeguards, addressable, required, Business Associate Agreement, BAA, OCR, breach notification, HITECH, covered entity, business associate.
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Implement the HIPAA Security Rule (45 CFR Part 164 Subpart C) to protect electronic protected health information (ePHI): conduct the required risk analysis, deploy the administrative, physical, and technical safeguards, handle required vs addressable implementation specifications, execute Business Associate Agreements, and stand up breach-notification readiness. Use when an organization is a HIPAA covered entity or business associate, when protecting ePHI, when preparing for an OCR audit or responding to a breach, when performing a HIPAA Security Risk Analysis, when drafting or reviewing a BAA, or when mapping security controls to the §164.308/310/312/314/316 safeguards. Notes the 2025 NPRM proposed changes (not yet final). Keywords: HIPAA, HIPAA Security Rule, ePHI, PHI, 45 CFR 164, risk analysis, administrative safeguards, physical safeguards, technical safeguards, addressable, required, Business Associate Agreement, BAA, OCR, breach notification, HITECH, covered entity, business associate.
When an organization is a covered entity (health plan, clearinghouse, or provider transmitting electronic transactions) or a business associate handling ePHI on their behalf.
When standing up or maturing controls to protect electronic protected health information.
When performing the mandatory HIPAA Security Risk Analysis (§164.308(a)(1)(ii)(A)) — the single most-cited gap in OCR enforcement.
When preparing for an OCR audit/investigation or responding to a suspected breach.
When drafting, reviewing, or remediating a Business Associate Agreement (BAA).
When mapping existing security controls to the HIPAA safeguard standards and implementation specifications.
Scope note: this skill covers the Security Rule (ePHI). The Privacy Rule (uses/disclosures of all PHI) and the Breach Notification Rule are related but distinct; this skill touches breach readiness and BAAs where they intersect security.
Prerequisites
A clear determination of the organization's role (covered entity vs business associate) and where ePHI lives, flows, and is stored (an ePHI data map).
An asset inventory of systems that create, receive, maintain, or transmit ePHI.
Knowledge of the current rule's structure (45 CFR §§164.302–318) and the required vs addressable distinction.
Awareness that a 2025 NPRM proposes significant changes (see Workflow step 7 and references/standards.md) — track but do not assume them as in force.
Workflow
1. Conduct the Security Risk Analysis (§164.308(a)(1)(ii)(A))
This is required and foundational. Inventory ePHI and systems, identify threats and vulnerabilities, assess current controls, determine likelihood and impact, and assign risk levels. (Pair with the NIST 800-30 methodology and HHS's SRA Tool.) Output is a documented, dated risk analysis — the artifact OCR asks for first.
2. Implement Administrative Safeguards (§164.308)
The largest section. Includes the Security Management Process (risk analysis, risk management, sanction policy, information-system activity review), assigned security responsibility (a named Security Official), workforce security, information access management, , , (data backup, disaster recovery, emergency-mode operation), , and with business associates.
security awareness and training
security incident procedures
contingency planning
evaluation
BAAs
3. Implement Physical Safeguards (§164.310)
Facility access controls, workstation use and workstation security, and device and media controls (disposal, media re-use, accountability, data backup and storage).
4. Implement Technical Safeguards (§164.312)
Access control (unique user ID, emergency access, automatic logoff, encryption/decryption), audit controls, integrity (mechanisms to authenticate ePHI), person/entity authentication, and transmission security (integrity controls + encryption).
5. Resolve "Required" vs "Addressable" specifications
Under the current rule, each implementation specification is Required (must implement) or Addressable (assess whether reasonable and appropriate; if so implement, if not document why and implement an equivalent alternative). Addressable does not mean optional — it means make and document a risk-based decision.
6. Execute Business Associate Agreements (§164.314 / §164.308(b))
Every business associate that touches ePHI needs a BAA binding it to safeguard ePHI, report incidents, and flow requirements to subcontractors. Maintain the BAA inventory.
7. Track the 2025 NPRM proposed changes (NOT yet final)
HHS OCR published an NPRM (Jan 6, 2025) proposing to remove the required/addressable distinction (make nearly all specifications required), and to mandate MFA, encryption of ePHI at rest and in transit, asset inventory and network maps, vulnerability scans every 6 months, annual penetration testing, 72-hour restoration of certain systems/data, and annual risk-analysis updates. These are proposals — the current rule remains in force until a final rule is published and effective. Plan toward them, but comply with what is current.
8. Stand up breach-notification readiness (45 CFR §§164.400–414)
Define how you detect, assess (the four-factor risk assessment), and report breaches of unsecured PHI: to individuals and HHS (and media for breaches affecting 500+ in a state/jurisdiction), within the required timelines. Encryption to NIST standards renders PHI "secured" and is a safe harbor from breach notification.
9. Document everything (§164.316)
Maintain policies, procedures, and records of actions/decisions in writing, retain for six years, review periodically, and update in response to environmental or operational change.
Key Concepts
Concept
Definition
ePHI
Electronic protected health information — the Security Rule's scope.
Covered entity
Health plan, clearinghouse, or provider doing electronic transactions.
Business associate
A vendor that handles ePHI for a covered entity; bound by a BAA.
Risk analysis
Required, documented assessment of risks to ePHI (§164.308(a)(1)(ii)(A)).
Required vs addressable
Must-implement vs risk-based-decision implementation specifications.
Administrative / Physical / Technical safeguards
§164.308 / §164.310 / §164.312.
BAA
Business Associate Agreement — contractually binds vendors to safeguard ePHI.
Breach (unsecured PHI)
Triggers notification under §§164.400–414; encryption is a safe harbor.
OCR
HHS Office for Civil Rights — enforces HIPAA.
Six-year retention
Documentation retention requirement (§164.316).
Tools & Systems
45 CFR Part 164 Subpart C — the Security Rule text (and Subpart D, Breach Notification).
NIST SP 800-66 Rev 2 — implementing the HIPAA Security Rule (NIST guidance, maps to 800-53).
NIST SP 800-30 — risk-assessment methodology to ground the SRA.
GRC / compliance platforms — to manage policies, the BAA inventory, and evidence.
Encryption / MFA / SIEM / audit-logging tooling — to satisfy technical safeguards and the proposed mandates.
Common Scenarios
OCR investigation after a breach. First request is almost always the current, dated risk analysis and the risk-management plan — have them ready.
New SaaS handling ePHI. Sign a BAA before any ePHI flows; confirm the vendor's safeguards.
Addressable spec you won't implement as written. Document the risk-based rationale and the equivalent alternative you implemented instead.
Preparing for the proposed rule. Pre-position MFA, at-rest/in-transit encryption, asset inventory, scanning, and pen-testing so a final rule is a small step, not a scramble.
Lost/stolen device. If ePHI was encrypted to NIST standards, the safe harbor applies; if not, run the four-factor breach assessment and notify as required.
Output Format
Produce a HIPAA Security Rule Gap Assessment using assets/template.md, containing:
Role & ePHI scope — covered entity vs BA; ePHI data map and systems.
Risk analysis summary — top risks to ePHI with likelihood/impact (feeds risk management).
Safeguard status — Administrative / Physical / Technical, each specification marked Implemented / Partial / Gap with required-vs-addressable noted.
BAA inventory — business associates and BAA status.
2025 NPRM gap view — readiness against the proposed mandates (clearly labeled proposed).
Remediation plan — prioritized, with owners and dates; required specs and risk-analysis gaps first.
Use scripts/process.py to score a safeguard-status JSON across the §164.308/310/312 standards, weight required gaps above addressable ones, and emit the gap table plus a remediation-priority list.
