Every public data breach

44 disclosed this week · 26,355 on record

Riverdale Mental Health

Disclosed Sep 25, 20237,281 affectedConfirmed

Official notice

Riverdale Mental Health dba Mosaic Mental Health, the covered entity (CE), reported that it experienced a hacking attack that compromised the protected health information (PHI) of 7,281 individuals. The PHI involved included names, addresses, dates of birth, and Social Security numbers. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data.

What is known

People affected7,281 (as reported to HHS)
DisclosedSep 25, 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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