Iroquois Memorial Hospital Ransomware Attack Exposes Patient Data
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Iroquois Memorial Hospital, a community acute care facility in Watseka, Illinois, reports a data breach on January 9, 2026.
The incident was caused by a ransomware attack claimed by the PEAR threat group. The group posted about the breach on their dark web leak site on December 11, 2025, claiming they stole sensitive patient and hospital data.
The compromised data includes:
- Full names and home addresses
- Dates of birth
- Social Security numbers
- Medical records and diagnoses
- Treatment information
- Health insurance details
The number of affected individuals is not disclosed.
The organization notified federal authorities and is working with investigators to determine the full extent of the incident. The hospital is sending notification letters to individuals whose information was accessed during the breach.
Patients should check their insurance statements for any fraudulent medical claims or services they did not receive. Security experts recommend placing credit freezes or fraud alerts on credit reports to prevent identity theft.