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University of Chicago Medical Center

ArchivedSubmitted 05/24/2024
State
IL
Covered entity type
Healthcare Provider
Individuals affected
10,332
Business associate present
No
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 covered entity (CE), University of Chicago Medical Center, reported that multiple employees were the subjects of an email phishing attack that affected the protected health information (PHI) of 10,332 individuals. The PHI involved included names, dates of birth, Social Security numbers, passport numbers, drivers’ license or state identification numbers, financial information, diagnoses, medications, and health insurance and other treatment information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards. Staff were retrained on email security.

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.