Iroquois Memorial Hospital

Iroquois Memorial Hospital based in Watseka, Illinois, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-08-28 and reported on 2026-10-16. 1,279 Texas residents were affected. 217,703 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Medical Information;Health Insurance Information;Date of Birth. Consumers were notified via U.S. Mail.

Iroquois Memorial Hospital reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-10-14. The reporting organization type is Health Care. 5 Vermont residents were affected. Categories of data breached: Social Security Numbers, Health Records.

Iroquois Memorial Hospital discovered unauthorized access to its network on November 10, 2025. An investigation determined an unauthorized third party accessed the network between October 8, 2025, and November 15, 2025, and may have acquired files containing personal information. The incident affected 11 New Hampshire residents. Affected data included names, dates of birth, Social Security numbers, medical treatment/diagnosis information, and health insurance information. The hospital engaged forensic investigators, notified law enforcement and HHS OCR, and is offering credit monitoring to affected individuals with exposed SSNs.

Iroquois Memorial Hospital discovered unauthorized access to its computer network on November 10, 2025. Forensic investigation determined an unauthorized third party accessed the network between October 8, 2025, and November 15, 2025, and may have acquired files containing personal information, including PHI and PII. The hospital secured systems, engaged forensic investigators, and notified law enforcement. Affected individuals are offered two years of credit monitoring.

Iroquois Memorial Hospital based in Watseka, Illinois, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-08-28 and reported on 2026-09-29. 797 Texas residents were affected. 219,437 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Medical Information;Health Insurance Information;Date of Birth.

Iroquois Memorial Hospital based in Watseka, Illinois, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-07-08 and reported on 2026-08-28. 547 Texas residents were affected. 108,151 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Medical Information;Date of Birth. Consumers were notified via U.S. Mail.

Iroquois Memorial Hospital reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-08-26. The reporting organization type is Health Care. 2 Vermont residents were affected. Categories of data breached: Social Security Numbers, Health Records.

Iroquois Memorial Hospital notified patients of a security incident at its business associate, Aesto LLC, which provides healthcare data migration and archiving services. An unauthorized actor accessed Aesto's AWS infrastructure between December 2 and December 18, 2025. The incident was discovered on December 18, 2025. Protected health information, including full names and other elements, may have been accessed or acquired. Aesto engaged external cybersecurity professionals and conducted a forensic investigation. Iroquois Memorial Hospital is offering complimentary credit monitoring to affected individuals.

Iroquois Memorial Hospital reported to HHS on 2026-01-09 a Hacking/IT Incident affecting 621 individuals. Breached information located on Network Server. The PHI involved demographic, clinical, and financial information. In response, the CE changed passwords, strengthened requirements, implemented safeguards, and provided credit monitoring.

IROQUOIS MEMORIAL HOSPITAL filed a data-breach notice with the Illinois Attorney General in January 2026 (case 26-01-716). The register records the breach as discovered on December 31, 2025. Personal information types reported: drivers license, medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

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