Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

McLaren Greater Lansing Cardiovascular Group

Disclosed Sep 21, 20161,000 affectedConfirmed

Official notice

What is known

People affected1,000 (as reported to HHS)
DisclosedSep 21, 2016
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): McLaren Greater Lansing Cardiovascular Group (Healthcare Provider, MI)

Notices filed

TotalSep 21, 2016
HHS archive1,000 people
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.

Everything about McLaren Greater Lansing Cardiovascular Group