Every public data breach

47 disclosed this week · 26,367 on record

Heywood Healthcare Inc. including Henry Heywood Memorial Hospital, Athol Memorial Hospital, and Heywood Medical Group

Disclosed Dec 12, 2025500 affectedConfirmed

Official notice

What is known

People affected500 (as reported to HHS)
DisclosedDec 12, 2025
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 OCR), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about Heywood Healthcare Inc. including Henry Heywood Memorial Hospital, Athol Memorial Hospital, and Heywood Medical Group