Every public data breach

44 disclosed this week · 26,355 on record

Wisconsin Department of Health Services

Disclosed Jan 15, 202112,358 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 exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

Other breaches at Wisconsin Department of Health Services

History of this record
disclosed2026-09-25
2021-06-04 to 2021-01-15by backfillSource
disclosed2026-09-25
2022-07-08 to 2021-06-04by backfillSource
disclosed2026-09-25
2022-10-07 to 2022-07-08by backfillSource
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 Wisconsin Department of Health Services