Change Healthcare, a UnitedHealth Group subsidiary, likely hacked by nation-state

UnitedHealth Group reported that its subsidiary, Change Healthcare, was likely hacked by a nation state, causing an ongoing cybersecurity incident. Change Healthcare processes billions of healthcare transactions annually and handles around one-in-three U.S. patient records, affecting around a hundred million Americans. The cyberattack has led to pharmacy outages, preventing prescription fulfillment through patients' insurance. UnitedHealth Group has engaged security experts, law enforcement, and notified relevant parties.