Every public data breach

44 disclosed this week · 26,355 on record

OmniSeq

Disclosed Nov 21, 20193,977 affectedConfirmed

Official notice

The covered entity (CE), OmniSeq, reported that an employee was the victim of an email phishing scheme that affected the electronic protected health information (ePHI) of 3,977 individuals. The ePHI involved included names, dates of births, diagnoses, Social Security numbers, and addresses. The CE notified HHS, affected individuals, the media, law enforcement, and posted substitute notice on its website. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its ePHI. In addition, the CE retrained its workforce members on email security.

What is known

People affected3,977 (as reported to HHS)
DisclosedNov 21, 2019
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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