Every public data breach

44 disclosed this week · 26,355 on record

Jack L Marcus

Disclosed Jul 14, 2025705 affectedConfirmed

Official notice

The business associate (BA), Jack L Marcus, reported that the BA’s website impermissibly disclosed the protected health information (PHI) of 705 individuals. The PHI involved was limited to the treatment facility names where inmates in the Wisconsin Department of Corrections were located. The BA notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative, technical, and security safeguards. Staff members were retrained.

What is known

People affected705 (as reported to HHS)
DisclosedJul 14, 2025
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
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.

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