HIPAA Privacy Rule vs Security Rule: The Complete 2026 Comparison

HIPAA Privacy Rule vs Security Rule: The Complete 2026 Comparison

By Nicole Statley at Healthcare Compliance Pros

Healthcare compliance teams often struggle to separate two foundational HIPAA rules that work together but govern very different things. This guide breaks down the Privacy Rule and Security Rule so compliance officers, office managers, and healthcare workers can quickly identify their obligations under each in 2026.

Introduction: Why Compare These Rules in 2026?

The compliance landscape keeps shifting. In December 2024, OCR issued a Notice of Proposed Rulemaking (NPRM) to strengthen the Security Rule's cybersecurity standards and is set to be reviewed and possibly finalized in July 2027. Meanwhile, the Privacy Rule has seen some updates this year and may have additional updates this fall.

Confusion between the two rules is common because both fall under HIPAA and both carry penalties for noncompliance. But the Privacy Rule and Security Rule address different risks, different data types, and different safeguards. Getting this distinction wrong can leave real gaps in an organization's compliance program.

Overview of the HIPAA Privacy Rule

The Privacy Rule establishes national standards for protecting all forms of individually identifiable health information, whether it is written, spoken, or electronic. It governs how covered entities use and disclose PHI, and it grants patients specific rights, including the right to access, amend, and receive an accounting of disclosures of their own records.

Key provisions include:

• Requirements for a Notice of Privacy Practices given to patients
• Rules limiting PHI use and disclosure to the "minimum necessary" standard
• Patient rights to access and request corrections to their records
• Restrictions on marketing and fundraising uses of PHI

A real-world example: a hospital sharing a patient's paper chart with an unauthorized third party without patient authorization would trigger a Privacy Rule violation, regardless of whether any electronic system was involved.

Overview of the HIPAA Security Rule

The Security Rule applies specifically to electronic protected health information (ePHI), meaning PHI that is created, received, maintained, or transmitted electronically. It requires administrative, physical, and technical safeguards to protect the confidentiality, integrity, and availability of that electronic data. The rule is codified at 45 CFR Part 160 and Subparts A and C of Part 164.

Under the pending 2024 NPRM, HHS has proposed significant updates to modernize these safeguards, including removing the distinction between "required" and "addressable" specifications, mandating encryption of ePHI at rest and in transit, requiring multi-factor authentication, and adding annual compliance audits and penetration testing requirements. These changes are not yet final, so organizations should track the Federal Register for the final rule's publication date.

A 2026 example: a clinic's unencrypted laptop containing ePHI is stolen. Because encryption safeguards were absent, this scenario centers on Security Rule obligations rather than Privacy Rule ones.

Side-by-Side: Privacy Rule vs Security Rule

Dimension	Privacy Rule	Security Rule
Scope of data	All PHI (paper, oral, electronic)	ePHI only
Core focus	Use, disclosure, patient rights	Confidentiality, integrity, availability of electronic data
Safeguard type	Policies on access and disclosure	Administrative, physical, technical safeguards
Legal citation	45 CFR Part 160, 164 Subparts A, E	45 CFR Part 160, 164 Subparts A, C
Enforcement agency	HHS Office for Civil Rights	HHS Office for Civil Rights
2026 developments	Notice of Privacy Practices updates tied to substance use disorder record protections	Pending NPRM to add encryption, MFA, audits

Both rules can apply to the same incident. A breach involving an unencrypted database, for instance, may trigger Security Rule safeguard failures and Privacy Rule disclosure violations simultaneously.

Who Must Comply and What Is Covered?

Both rules apply to covered entities, meaning health plans, health care clearinghouses, and most health care providers, along with their business associates and business associate subcontractors. Business associates that create, receive, maintain, or transmit PHI on behalf of a covered entity must comply with applicable Security Rule safeguards and relevant Privacy Rule provisions under their business associate agreements.

Hybrid entities, meaning organizations that perform both covered and non-covered functions, must designate which components are subject to HIPAA and apply the rules only to those components. This distinction matters most for large health systems with non-healthcare business lines, such as a hospital that also operates an unrelated retail pharmacy division.

Compliance Requirements and Best Practices for 2026

Meeting both rules requires distinct but overlapping workstreams.

• Maintain a current Notice of Privacy Practices reflecting any 2026 regulatory updates
• Conduct and document a Security Rule risk analysis covering all systems that touch ePHI
• Train workforce members annually on both privacy and security obligations
• Establish written incident response procedures for suspected breaches
• Review business associate agreements to confirm safeguard obligations are current
• Track the pending Security Rule NPRM for its eventual compliance deadline

Organizations preparing for potential new requirements, such as mandatory encryption and multi-factor authentication, should begin gap assessments now rather than waiting for the final rule's publication.

Real-World Scenarios: Privacy vs Security in Action

Privacy Rule only: A front desk staff member discusses a patient's diagnosis within earshot of another patient in a waiting room. No electronic system is involved, so this is purely a Privacy Rule concern.

Security Rule only: An unpatched server hosting an EHR database is exploited by ransomware, but no data is confirmed exfiltrated or viewed. The failure centers on technical safeguards under the Security Rule.

Overlap: A phishing attack compromises an employee's email account containing patient records, and the attacker views and downloads PHI. This scenario implicates Security Rule safeguard failures and Privacy Rule unauthorized disclosure at the same time, along with Breach Notification Rule obligations.

Enforcement, Penalties, and Oversight in 2026

OCR administers and enforces both the Privacy Rule and Security Rule. Penalties are tiered based on the level of culpability, ranging from unknowing violations to willful neglect, and can scale into significant civil monetary penalties per violation category. Organizations should avoid two common mistakes: treating risk analyses as one-time exercises rather than ongoing processes, and assuming paper-based PHI protections satisfy electronic safeguard requirements.

Frequently Asked Questions

Does the Privacy Rule apply to paper records?
Yes. The Privacy Rule covers PHI in any form, including paper and oral communications, not just electronic data.

Does the Security Rule cover paper records?
No. The Security Rule applies only to electronic PHI (ePHI).

Has the 2024 Security Rule NPRM been finalized as of 2026?
As of mid-2026, the proposed rule remains under HHS review and has not been finalized; the current Security Rule stays in effect until a final rule is published.

Can an organization violate one rule without violating the other?
Yes. A verbal disclosure violates only the Privacy Rule, while a purely technical failure with no unauthorized disclosure may only implicate the Security Rule.

Who enforces HIPAA violations?
The HHS Office for Civil Rights enforces both the Privacy Rule and Security Rule.

Do business associates have to comply with both rules?
Business associates must comply with Security Rule safeguards for ePHI and relevant Privacy Rule provisions specified in their business associate agreements.

Choosing the Right Compliance Partner

Navigating both rules, especially with new Security Rule proposals pending, requires resources that stay current with HHS guidance and Federal Register updates. Healthcare Compliance Pros offers ongoing regulatory monitoring, risk analysis support, and documentation templates built around both Privacy Rule and Security Rule obligations, helping organizations respond to changes like the pending 2024 NPRM without scrambling when a final rule publishes. Reach out to discuss how tailored compliance support can close gaps across both rules before enforcement becomes a concern.