Change Healthcare Data Breach February 2024. On february 21, 2024, change healthcare became aware of deployment of ransomware in its computer system. Change healthcare has uploaded a substitute breach notice to its website about its february 2024 cyberattack and confirmed that notification letters will start to be mailed to the affected.

The breach took place between february 14, 2024, and february 20, 2024. Change healthcare has uploaded a substitute breach notice to its website about its february 2024 cyberattack and confirmed that notification letters will start to be mailed to the affected.