Every public data breach

44 disclosed this week · 26,355 on record

Montrose Behavioral Health Hospital

Disclosed Nov 24, 2023597 affectedConfirmed

Official notice

The covered entity (CE), Montrose Behavioral Health Hospital, reported that an employee was the subject of an email phishing scheme affecting the protected health information (PHI) of 597 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, health insurance information, and other treatment information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative and technical safeguards. Staff were retrained on email security precautions.

What is known

People affected597 (as reported to HHS)
DisclosedNov 24, 2023
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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