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Maestro Health, LLC

ArchivedSubmitted 04/06/2021
State
IL
Covered entity type
Business Associate
Individuals affected
18,488
Business associate present
Yes
Type of breach
Hacking/IT Incident
Location of breached information
Email
First seen by InfoSec Signals
9/23/2026
Last seen in OCR export
9/23/2026

OCR description

The business associate (BA), Maestro Health, reported that several employees were the victims of an email phishing attack affecting the protected health information (PHI) of 18,488 individuals. The PHI involved included names, dates of birth, addresses, and Social Security numbers. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional administrative, technical, and security safeguards, revised its policies and procedures, retrained its employees on email security, and provided affected individuals with credit monitoring services. OCR provided technical assistance to the BA regarding the HIPAA Rules.

Change history

  • 9/23/2026Added to OCR's archive list

Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.

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