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Mankato Clinic

Disclosed Sep 16, 20215 years ago535 affectedConfirmed

Official notice

The covered entity (CE), Mankato Clinic, reported that an employee accidentally sent an email containing the electronic protected health information (ePHI) of 535 individuals to the wrong recipient. The ePHI involved included names, addresses, dates of birth, financial information, and diagnoses/conditions. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE sanctioned the responsible employee and retrained staff on the importance of safeguarding ePHI.

What is known

People affected535 (as reported to HHS)
DisclosedSep 16, 2021
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Mankato Clinic (Healthcare Provider, MN)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalSep 16, 2021535

Other breaches at Mankato Clinic

BreachAffected
Disclosed Dec 28, 2010Dec 28, 201015 years agoLost or stolen device3,159
History of this record
  • 2026-09-25 · added · backfill source

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

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