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UConn Health

Disclosed Feb 21, 20197 years ago326,629 affectedConfirmed

Official notice

The covered entity (CE), UConn Health, reported that an employee was the victim of an email phishing attack that affected the electronic protected health information (ePHI) of 326,629 individuals. The ePHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, claims and financial information, and clinical information. The CE notified HHS, affected individuals, the media, and provided complimentary credit monitoring and identity protection services to affected individuals. In response to the breach, the CE implemented additional technical safeguards and retrained its staff on recognizing and responding to fraudulent email communications. OCR obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected326,629 (as reported by the organization)
DisclosedFeb 21, 2019
HappenedAug 20, 2018
AttackHacking
Data exposedNames, Social Security numbers, Government IDs, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: UConn Healthoag.ca.gov · Official notice
Maine Attorney General breach notice archive: UConn Healthmaine.gov · Official notice
HHS OCR breach report (archive, resolved): UConn Health (Healthcare Provider, CT)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalFeb 21, 2019326,629
California AGresidents of CAFeb 22, 2019
Maine AGresidents of MEFeb 26, 2019338
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: ["names","ssn","government-id"] to ["names","ssn","government-id","health"] · backfill source
  • 2026-09-25 · disclosed: 2019-02-22 to 2019-02-21 · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), UConn Health, reported that an employee was the victim of an email phishing attack that affected the electronic protected health information (ePHI) of 326,629 individuals. The ePHI involved included names, addresses · backfill source
  • 2026-09-25 · data_types: [] to ["names","ssn","government-id"] · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 326629 · 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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