US

HIPAA: Breach Notification

Breach Notification Rule [45 CFR 164.400-414]

Rule: Following a breach of unsecured PHI, covered entities must notify affected individuals, HHS, and in some cases the media, within specified timeframes.

What is a Breach?

Breach: Acquisition, access, use, or disclosure of PHI in a manner not permitted by the Privacy Rule that compromises the security or privacy of the PHI.

Breach Risk Assessment

Unless an exception applies, assume a breach requires notification unless a risk assessment shows low probability of compromise based on:

FactorAssessment
Nature and extent of PHITypes of identifiers, sensitivity
Unauthorized personWho received or accessed PHI
PHI actually acquired/viewedEvidence of actual access
Risk mitigationExtent risk has been reduced

Exceptions (Not a Breach)

ExceptionDescription
Unintentional acquisitionGood faith, within scope of authority, no further use
Inadvertent disclosureBetween authorized persons, same organization
Good faith beliefRecipient could not have retained information

Notification Requirements

Individual Notice [§164.404]

RequirementDetail
TimingWithout unreasonable delay, within 60 days of discovery
MethodWritten notice, first-class mail (or email if authorized)
ContentDescription of breach, PHI types, steps individuals should take, what entity is doing, contact information

Media Notice [§164.406]

RequirementDetail
TriggerBreach affecting 500+ residents of a state
TimingWithin 60 days
MethodProminent media outlets in affected area

HHS Notice [§164.408]

Breach SizeTiming
500+ individualsWithin 60 days of discovery
Under 500Annual log, within 60 days of year end

Business Associate Obligations

Business associates must notify covered entity of breaches:

  • Without unreasonable delay
  • No later than 60 days after discovery
  • Provide information needed for covered entity notifications

Unsecured PHI

Breach notification only applies to “unsecured” PHI. PHI is secured if:

  • Encrypted per HHS guidance (NIST standards)
  • Destroyed (paper shredded, media sanitized)

Breach Discovery

Breach is discovered on the first day:

  • It is known, OR
  • Reasonably should have been known (exercising reasonable diligence)

Knowledge of any workforce member = knowledge of covered entity.

Citation

45 CFR Part 164 Subpart D — Notification in the Case of Breach

Contains public sector information licensed under the Open Government Licence v3.0 where applicable. This is not legal advice. Always refer to official sources for authoritative text.

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