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44 disclosed this week · 26,355 on record

Marshall & Melhorn

Disclosed Jun 7, 202327,271 affectedConfirmed

Official notice

Marshall and Melhorn, a business associate (BA), reported that it experienced a ransomware incident that affected the protected health information (PHI) of 9,412 individuals. The PHI involved included names, addresses, dates of birth, Social Security and drivers’ license numbers, and financial and treatment information. The BA notified HHS, affected individuals, the media and posted substitute notice on its website. In response to the breach, the BA offered free credit monitoring services and implemented additional administrative, technical, and security safeguards. OCR provided technical assistance to the BA regarding the HIPAA Security Rule.

What is known

People affected27,271 (as reported by the organization)
DisclosedJun 7, 2023
HappenedAug 20, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to healthby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
summary2026-09-25
empty to Marshall and Melhorn, a business associate (BA), reported that it experienced a ransomware incident that affected the protected health information (PHI) of 9,412 individuals. The PHI involved included names, addresses, dates of birth, Sociaby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 27271by backfillSource
occurred2026-09-25
empty to 2021-08-20by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.

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