Every public data breach

47 disclosed this week · 26,367 on record

Three Rivers Regional Commission

Disclosed Nov 5, 202117,560 affectedConfirmed

Official notice

The business associate (BA), Three Rivers Regional Commission, reported that it experienced a ransomware attack that encrypted its server files and compromised the protected health information (PHI) of 17,560 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, diagnoses and treatment information, lab results, medications, and health insurance information. 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 were retrained to better protect PHI.

What is known

People affected17,560 (as reported to HHS)
DisclosedNov 5, 2021
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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