Every public data breach

44 disclosed this week · 26,355 on record

Marshall Information Services

Disclosed May 18, 20237,456 affectedConfirmed

Official notice

TThe business associate (BA), Marshall Information Services, dba Primary Solutions, reported that it experienced a ransomware attack that compromised the protected health information (PHI) of 7,456 individuals. The PHI involved included names, addresses, birthdates, Social Security numbers, and claims and health insurance information. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative, technical, and security safeguards to better protect its PHI. OCR provided technical assistance regarding the HIPAA Security Rule.

What is known

People affected7,456 (as reported to HHS)
DisclosedMay 18, 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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