Change Healthcare Data Breach Update. Unh) is announcing support for people who may be concerned about their personal data potentially being impacted based on preliminary findings.  — change healthcare is starting to notify hospitals, insurers and other customers that they may have had patient information exposed in a massive cyberattack.

 — a cyberattack at u.s.  — unitedhealth said it paid ransom to protect patient data, following the cyberattack on its subsidiary change healthcare.