Every public data breach

47 disclosed this week · 26,367 on record

McLaren Port Huron

Disclosed Jul 8, 202248,957 affectedConfirmed

Official notice

The covered entity (CE), McLaren Port Huron, reported that its former business associate (BA) experienced a cyber-attack that compromised the protected health information (PHI) of 48,957 individuals. The PHI involved included names, addresses, dates of birth, email addresses, Social Security numbers, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website.

What is known

People affected48,957 (as reported to HHS)
DisclosedJul 8, 2022
AttackHacking
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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