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CBIZ Marks Paneth

Disclosed Feb 8, 20242 years ago5,562 affectedConfirmed

Official notice

The business associate (BA), CBIZ Marks Paneth, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 5,562 individuals. The PHI involved included names, birthdates, addresses, telephone numbers, medical record numbers, and health insurance and other treatment information. The BA notified HHS, affected individuals, and the media. In its mitigation efforts, the BA implemented additional administrative safeguards.

What is known

People affected5,562 (as reported to HHS)
DisclosedFeb 8, 2024
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): CBIZ Marks Paneth (Business Associate, OH)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalFeb 8, 20245,562
History of this record
  • 2026-09-25 · added · backfill source

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

Everything about CBIZ Marks Paneth

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