Change Healthcare, a healthcare clearinghouse and subsidiary of UnitedHealth Group, disclosed a supplemental breach notification to the New Hampshire Attorney General on July 31, 2025. The incident involved unauthorized access to computer systems between February 17-20, 2024, detected on February 21, 2024. Approximately 192.7 million individuals were potentially impacted nationwide, including 655,282 New Hampshire residents. Data accessed included PII, PHI, and financial information. Change Healthcare engaged law enforcement, isolated systems, and provided credit monitoring services.
Affected (this filing): 192,700,000