Every public data breach

44 disclosed this week · 26,355 on record

Maryville

Disclosed Feb 21, 202424,827 affectedConfirmed

Official notice

The covered entity (CE), Maryville, reported that an employee was the subject of an email phishing attack that affected the protected health information (PHI) of 24,827 individuals. The PHI involved included names, addresses, Social Security and drivers’ license numbers, dates of birth, diagnoses/conditions, lab results, mediations, and claims and treatment information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.

What is known

People affected24,827 (as reported to HHS)
DisclosedFeb 21, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
disclosed2026-09-25
2024-07-03 to 2024-02-21by backfillSource
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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