Hospital Sisters Health System Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Hospital Sisters Health System and its partner, Prevea Health, regarding its recent data breach. The Hospital Sisters Health System data breach involved sensitive protected health information belonging to an undetermined number of individuals.


Hospital Sisters Health System is a not-for-profit healthcare organization that serves the Midwest region in the United States. As a Franciscan health care ministry, Hospital Sisters Health System operates a network of hospitals, clinics, and other healthcare facilities. Primarily serving communities in Illinois and Wisconsin, Hospital Sisters Health System provides a variety of healthcare services including acute care, specialty care, outpatient services, primary care, and behavioral health services. Founded in 1888, Hospital Sisters Health System is comprised of 15 hospitals, nearly 2,300 physician partners, and more than 13,000 colleagues. Headquartered in Springfield, Illinois, Hospital Sisters Health System employs over 13,000 individuals.


  • On or around August 29, 2023, Hospital Sisters Health System discovered that it had experienced a data breach that impacted its systems. Through its investigation, Hospital Sisters Health System determined that an unauthorized actor may have accessed and acquired certain information from the impacted systems. On October 26, 2023, Hospital Sisters Health System notified the U.S Department of Health and Human Services Office for Civil Rights (“HHS”) of the incident. Though much information is still not known about the Hospital Sisters Health System breach, the U.S. Department of Health and Human Services’ reporting guidelines require entities to report data breaches when they involve protected health information. Therefore, it is likely that the Hospital Sisters Health System breach included protected health information.

If you are a current or former employee of Hospital Sisters Health System:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or

If you were impacted by the Hospital Sisters Health System data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by Hospital Sisters Health System;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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