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Dean Health Service Company, LLC (referenced herein as "WellFirst Health")

ArchivedSubmitted 07/28/2023

Updated 13 hours ago ()

State
MN
Covered entity type
Business Associate
Individuals affected
1,027
Business associate present
Yes
Type of breach
Hacking/IT Incident
Location of breached information
Network Server
First seen by InfoSec Signals
Sep 23, 2026
Last seen in OCR export
Oct 25, 2026

OCR description

Dean Health Service Company, the business associate (BA), reported that its subcontractor experienced a cyber-attack that compromised the protected health information (PHI) of 1,027 individuals. The PHI involved included names, addresses, dates of birth, social security numbers, claims information, and healthcare provider information. The BA notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach the BA and its subcontractor implemented additional administrative, technical, and security safeguards.

Change history

  • Sep 23, 2026Added to OCR's archive list

Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source

Records are reproduced as published; entity names and figures are OCR's.

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