Every public data breach

44 disclosed this week · 26,355 on record

Colonial Behavioral Health

Disclosed Nov 27, 202429,930 affectedConfirmed

Official notice

Colonial Behavioral Health, the covered entity (CE), reported that it was the target of a ransomware attack that compromised the protected health information (PHI) of 29,930 individuals. The PHI involved in the incident included names, addresses, dates of birth, drivers’ license numbers, social security numbers, diagnoses/conditions, lab results, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. Upon discovering the incident, the CE updated its HIPAA policies and procedures to prevent future security incidents and implemented new administrative and technical safeguards.

What is known

People affected29,930 (as reported to HHS)
DisclosedNov 27, 2024
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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