Every public data breach

44 disclosed this week · 26,355 on record

UConn Health

Disclosed Feb 21, 2019326,629 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 exposedNamesSocial Security numbersGovernment IDsHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
["names","ssn","government-id"] to ["names","ssn","government-id","health"]by backfillSource
disclosed2026-09-25
2019-02-22 to 2019-02-21by backfillSource
summary2026-09-25
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, addressesby backfillSource
data_types2026-09-25
[] to ["names","ssn","government-id"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 326629by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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