Change Healthcare Ransomware Attack Affects 190 Million

Change Healthcare experienced a significant ransomware attack, as detailed in public filings with the Minnesota Attorney General. The incident, which occurred on February 21, 2024, led to widespread operational disruptions and the potential compromise of sensitive personal information.

The breach exposed Social Security numbers, medical records, insurance information, and billing records. Official reports estimate that this security event has impacted approximately 190 million individuals, making it one of the largest data compromises recorded.

The official filing regarding this incident was submitted on January 8, 2026. As of the current report, the investigation into the full extent and implications of the ransomware attack remains active, with the Minnesota Attorney General's office overseeing ongoing inquiries.

Individuals who receive notification about this breach are encouraged to carefully review the information from Change Healthcare. It is generally advised to remain vigilant for any suspicious communications or activity related to identity theft or financial fraud. Considering a fraud alert or security freeze on credit reports is a common protective measure.

This registry provides verified facts drawn directly from official public filings to assist individuals in understanding reported data breaches. For the most accurate and current details concerning this Change Healthcare incident, refer to official notifications from the company and the Minnesota Attorney General's office.