Every public data breach

47 disclosed this week · 26,367 on record

City of Joplin

Disclosed Sep 8, 20212,494 affectedConfirmed

Official notice

The covered entity (CE), Magellan RX Management, reported that employees of its business associate (BA) were the victims of an email phishing attack affecting the protected health information (PHI) of 13,663 individuals. The PHI involved included names, dates of birth, addresses, and financial and clinical information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative safeguards and terminated its business relationship with the BA.

What is known

People affected2,494 (as reported to HHS)
DisclosedSep 8, 2021
AttackHacking
Data exposedNamesHealth
SectorInsurance · 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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