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44 disclosed this week · 26,355 on record

Myriad Genetic Laboratories

Disclosed Apr 1, 20191,719 affectedConfirmed

Official notice

Myriad Genetic Laboratories (MGL), the covered entity (CE), reported that a workforce member mistakenly emailed a spreadsheet containing protected health information (PHI) to a patient. The PHI involved included names, telephone numbers, medical record numbers, treatment information, and claims information. The breach affected 1,719 individuals. MGL notified all affected individuals and OCR. The covered entity sanctioned the workforce member responsible for the breach. It revised its policy and implemented changes to protect sensitive data when using email communications. It re-trained all workforce members on the updated policy. In addition, the covered entity provided documentation that it has a security awareness and training program in place for all workforce members.

What is known

People affected1,719 (as reported to HHS)
DisclosedApr 1, 2019
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Myriad Genetic Laboratories

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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