Jack L Marcus
Disclosed Jul 14, 20251 year ago705 affectedConfirmed
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 affected | 705 (as reported to HHS) |
|---|---|
| Disclosed | Jul 14, 2025 |
| Attack | Insider |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Jack L Marcus (Business Associate, WI)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Jul 14, 2025 | 705 |
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.