Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Wisconsin Department of Corrections

Disclosed Aug 8, 20191,853 affectedConfirmed

Official notice

The covered entity (CE), Wisconsin Department of Corrections, reported that protected health information (PHI) was viewable on several websites managed by its business associate (BA). This breach compromised the PHI of 1,853 individuals. The PHI involved included names and addresses. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA strengthened its technical safeguards to better protect PHI.

What is known

People affected1,853 (as reported to HHS)
DisclosedAug 8, 2019
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Wisconsin Department of Corrections (Healthcare Provider, WI)

Notices filed

TotalAug 8, 2019
HHS archive1,041 people
TotalJul 15, 2020
HHS archive1,853 people

Other breaches at Wisconsin Department of Corrections

Insider breachInsider exposed names and health records. Reported to the HHS archive.1,723 affectedHealthcareUSNov 12, 2025
History of this record
disclosed2026-09-25
2020-07-15 to 2019-08-08by 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 Corrections