Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Atrium Centers

Disclosed Dec 12, 202539,334 affectedConfirmed

Official notice

What is known

People affected39,334 (as reported by the organization)
DisclosedDec 12, 2025
HappenedOct 8, 2025
AttackHacking
Data exposedNamesHealthSocial Security numbers
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report: Atrium Centers (Healthcare Provider, OH)
Official noticeago.vermont.gov
Vermont Attorney General breach report: Atrium Centers
Official noticein.gov
Indiana Attorney General 2026 data breach report: Atrium Centers

Notices filed

TotalDec 12, 2025
HHS OCR4,943 people
Residents of VTAug 14
Vermont AG1 person
Residents of INAug 14
Indiana AG200 people
History of this record
records_basis2026-10-02
hhs to organizationby dailySource
records2026-10-02
4943 to 39334by dailySource
occurred2026-10-02
empty to 2025-10-08by dailySource
data_types2026-09-25
["names","health"] to ["names","health","ssn"]by backfillSource
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 Atrium Centers