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Allina Health

Disclosed Sep 11, 20206 years ago199,389 affectedConfirmed

Official notice

The covered entity (CE), Allina Health, reported that its business associate (BA) experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 199,389 individuals. The ePHI involved included names, addresses, dates of birth, email addresses, telephone numbers, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.

What is known

People affected199,389 (as reported to HHS)
DisclosedSep 11, 2020
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

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

Notices filed

WhereFiledPeople
HHS archivetotalSep 11, 2020199,389

Other breaches at Allina Health

BreachAffected
Disclosed Apr 28, 2023Apr 28, 20233 years agoInsider1,042
Disclosed Apr 6, 2015Apr 6, 201511 years agoLost or stolen device6,195
Disclosed Nov 4, 2013Nov 4, 201312 years agoInsider3,807
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.

Everything about Allina Health

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