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Wisconsin Department of Health Services

Disclosed Jan 15, 20215 years ago12,358 affectedConfirmed

Official notice

Wisconsin Department of Health Services, the covered entity (CE), reported that an employee emailed the protected health information (PHI) of 12,358 individuals to other employees and the data was also posted to the Internet. The PHI involved included names, dates of birth, Social Security numbers, and gender. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts the CE provided complimentary identity protection services to affected individuals.

What is known

People affected12,358 (as reported to HHS)
DisclosedJan 15, 2021
AttackInsider
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalJan 15, 20211,281
HHS archivetotalJun 4, 20212,868
HHS archivetotalJul 8, 20221,698
HHS archivetotalOct 7, 202212,358

Other breaches at Wisconsin Department of Health Services

BreachAffected
Disclosed Jul 1, 2026Jul 12 months agoInsider8,157
Disclosed Jun 21, 2024Jun 21, 20242 years agoHacking19K
Disclosed Apr 3, 2018Apr 3, 20188 years agoLost or stolen device779
History of this record
  • 2026-09-25 · disclosed: 2021-06-04 to 2021-01-15 · backfill source
  • 2026-09-25 · disclosed: 2022-07-08 to 2021-06-04 · backfill source
  • 2026-09-25 · disclosed: 2022-10-07 to 2022-07-08 · backfill source
  • 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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