Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Mankato Clinic

Disclosed Dec 28, 20103,159 affectedConfirmed

Official notice

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What is known

People affected3,159 (as reported to HHS)
DisclosedDec 28, 2010
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Mankato Clinic (Healthcare Provider, MN)

Notices filed

TotalDec 28, 2010
HHS archive3,159 people

Other breaches at Mankato Clinic

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.22K affectedHealthcareUSOct 16Insider breachInsider exposed names and health records. Reported to the HHS archive.535 affectedHealthcareUSSep 16, 2021
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.

Everything about Mankato Clinic