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Froedtert Health

Disclosed Feb 12, 201313 years ago43,549 affectedConfirmed

Official notice

Froedtert Health, the covered entity (CE), reported that it was the victim of a cyber-attack affecting the protected health information (PHI) of approximately 43,549 individuals. The PHI involved included names, dates of birth, telephone numbers, addresses, diagnoses/conditions, Social Security numbers, lab results, medications prescribed, medical record numbers, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. The CE also provided complimentary credit monitoring services to affected individuals and set up a toll free phone number for questions or concerns. In its mitigation efforts, the CE implemented administrative and technical safeguards and retrained its staff. OCR obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected43,549 (as reported to HHS)
DisclosedFeb 12, 2013
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

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

Notices filed

WhereFiledPeople
HHS archivetotalFeb 12, 201343,549

Other breaches at Froedtert Health

BreachAffected
Disclosed Jan 15, 2021Jan 15, 20215 years agoInsider760
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 Froedtert Health

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