HIPAA Privacy Rule vs. Security Rule: What’s the Difference and What Each Requires

Scope of Application

The HIPAA Privacy Rule applies to Protected Health Information (PHI) in any form—paper, verbal, or electronic—handled by covered entities and their business associates. It governs who may use or disclose PHI, under what conditions, and for which purposes.

The HIPAA Security Rule applies only to Electronic Protected Health Information (ePHI). It requires organizations that create, receive, maintain, or transmit ePHI to protect its confidentiality, integrity, and availability through documented security measures.

Covered entities include health plans, health care clearinghouses, and most health care providers that conduct standard electronic transactions. Business associates are vendors or subcontractors that handle PHI on a covered entity’s behalf under a Business Associate Agreement.

Purpose of Each Rule

The Privacy Rule sets the policy framework for permissible uses and disclosures of PHI. It balances patient autonomy with operational needs by defining when you must obtain authorization, when disclosures are allowed without authorization, and how the “minimum necessary” standard limits access.

The Security Rule provides the technical and operational blueprint for safeguarding ePHI. It directs you to implement risk-based controls so that only authorized users can access ePHI, data remains accurate and unaltered, and systems are available when needed.

Required Safeguards

Administrative Safeguards

• Conduct a comprehensive risk analysis and implement risk management to address identified threats.
• Assign security responsibilities, define role-based access, and establish sanctions for noncompliance.
• Develop and maintain policies, procedures, workforce training, and ongoing security awareness.
• Establish contingency plans, including data backup, disaster recovery, and emergency mode operations.

Physical Safeguards

• Control facility access and implement workstation security to prevent unauthorized viewing or use.
• Manage device and media controls, including disposal, reuse, inventory, and data removal for hardware.
• Protect areas where ePHI is accessed or stored through badges, locks, visitor logs, and environmental safeguards.

Technical Safeguards

• Access controls such as unique user IDs, multifactor authentication, and automatic logoff.
• Audit controls to record and examine system activity, including logs and alerts.
• Integrity controls to prevent improper alteration or destruction of ePHI, including checksums and hashing.
• Transmission security and, where reasonable and appropriate, encryption for data in transit and at rest.

These Administrative Safeguards, Physical Safeguards, and Technical Safeguards form the Security Rule’s core Compliance Standards. The Privacy Rule complements them with requirements like the minimum necessary standard, Notice of Privacy Practices, and restrictions on uses and disclosures.

Patient Rights and Protections

Under the Privacy Rule, patients have rights to access, inspect, and obtain copies of their PHI; request amendments to correct inaccuracies; receive an accounting of certain disclosures; request restrictions on disclosures; and ask for confidential communications through alternate addresses or channels.

Patients must also receive a clear Notice of Privacy Practices explaining how their information will be used and shared. While the Security Rule does not create separate patient rights, its safeguards protect ePHI so you can reliably honor access, amendment, and confidentiality requests.

Implementation Flexibility

HIPAA is intentionally scalable. You must implement protections that are “reasonable and appropriate” for your size, complexity, technical infrastructure, and risk profile. Cost is considered, but risk reduction drives decisions.

The Security Rule includes “required” and “addressable” implementation specifications. Addressable does not mean optional; you must adopt the measure as stated, implement an alternative that is equivalent, or document why it is not reasonable and appropriate in your environment.

Both rules expect living programs: periodic risk analysis, policy updates, retraining, vendor oversight, and security monitoring to keep pace with evolving threats and operations.

Enforcement and Penalties

The Department of Health and Human Services (HHS) Office for Civil Rights (OCR) enforces both rules through complaint investigations, compliance reviews, and audits. Outcomes can include corrective action plans, monitoring, and monetary settlements.

Civil penalties follow a tiered structure that considers the level of culpability and the organization’s efforts to comply. Criminal penalties may apply for knowingly obtaining or disclosing PHI in violation of HIPAA. Business associates are directly liable for Security Rule and many Privacy Rule provisions.

Prompt breach detection, risk assessment, mitigation, and required notifications reduce harm and demonstrate diligence—key factors in enforcement outcomes.

Relationship Between Privacy and Security Rules

The Privacy Rule sets the “what” and “who” of PHI—what information is protected and who may use or disclose it. The Security Rule sets the “how” for ePHI—how you protect systems and data against unauthorized access, alteration, or loss.

Together, they align policy with protection: Privacy limits and governs uses and disclosures, while Security operationalizes safeguards that make those limits effective in digital environments. Your HIPAA program should integrate both, from policies and training to technical controls and incident response.

Conclusion

Think of HIPAA as two interlocking layers: the Privacy Rule governs lawful handling of PHI, and the Security Rule mandates risk-based safeguards for ePHI. Build policies, training, and controls that meet both sets of Compliance Standards to protect patients and your organization.

FAQs.

What types of information does the Privacy Rule protect?

The Privacy Rule protects Protected Health Information in any medium—paper, verbal, or electronic—that identifies an individual or could reasonably be used to identify them, including details about health status, care provided, and payment for care.

How does the Security Rule safeguard electronic health data?

The Security Rule safeguards Electronic Protected Health Information by requiring Administrative Safeguards, Physical Safeguards, and Technical Safeguards. These include risk analysis, access controls, audit logging, integrity protections, contingency planning, and transmission security such as encryption where reasonable and appropriate.

What patient rights are granted under the Privacy Rule?

Patients have rights to access and obtain copies of their PHI, request amendments, receive an accounting of certain disclosures, request restrictions, obtain confidential communications, and be informed through a Notice of Privacy Practices.

How are the Privacy and Security Rules enforced?

The HHS Office for Civil Rights investigates complaints, conducts reviews and audits, and can require corrective actions and impose civil monetary penalties. In serious cases, criminal penalties may apply, and business associates are directly accountable for compliance.