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Presbyterian Healthcare Services

Disclosed Aug 2, 20197 years ago1,120,629 affectedConfirmed

Official notice

The covered entity (CE), Presbyterian Healthcare Services, reported that numerous employees were the victims of an email phishing attack that affected the electronic protected health information (ePHI) of 1,120,629 individuals. The ePHI involved included names, dates of birth, Social Security numbers, and clinical and health insurance information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE retrained its employees on how to recognize and respond to fraudulent email communications and implemented additional security safeguards to better protect its ePHI.

What is known

People affected1,120,629 (as reported to HHS)
DisclosedAug 2, 2019
DiscoveredJun 6, 2019
HappenedMay 9, 2019
AttackHacking
Data exposedNames, Social Security numbers, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
California AGresidents of CAAug 2, 2019
Maine AGresidents of MEAug 2, 20195
HHS archivetotalAug 2, 20191,120,629
Indiana AGresidents of INSep 12, 201914
Oregon DOJresidents of ORSep 20, 2019183,370

Other breaches at Presbyterian Healthcare Services

BreachAffected
Disclosed Oct 14, 2022Oct 14, 20223 years agoHacking44K
Disclosed Oct 2, 2020Oct 2, 20205 years agoHacking193K
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: ["names","ssn"] to ["names","ssn","health"] · backfill source
  • 2026-09-25 · records_basis: organization to hhs · backfill source
  • 2026-09-25 · records: 22318 to 1120629 · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), Presbyterian Healthcare Services, reported that numerous employees were the victims of an email phishing attack that affected the electronic protected health information (ePHI) of 1,120,629 individuals. The ePHI inv · backfill source
  • 2026-09-25 · data_types: [] to ["names","ssn"] · backfill source
  • 2026-09-25 · records: 10249 to 22318 · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 10249 · backfill source
  • 2026-09-25 · discovered: empty to 2019-06-06 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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