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47 disclosed this week · 26,367 on record

CBIZ KA Consulting Services

Disclosed Nov 10, 2023436,198 affectedConfirmed

Official notice

The business associate (BA), CBIZ KA Consulting Services, reported that a software application used by its vendor exposed the protected health information (PHI) of 436,198 individuals. The PHI involved included names, dates of birth, addresses, Social Security and drivers’ license numbers, diagnoses, financial and health insurance information, and other treatment 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 PHI.

What is known

People affected436,198 (as reported to HHS)
DisclosedNov 10, 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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