Change Healthcare Security Breach 2024 Report. After change healthcare, a technology company owned by unitedhealth group, reported a giant ransomware attack, you may have received a letter by mail. Change healthcare is starting to notify hospitals, insurers and other customers that they may have had patient information exposed in a massive.

After change healthcare, a technology company owned by unitedhealth group, reported a giant ransomware attack, you may have received a letter by mail. Updates to address change healthcare breach notification to hhs.