Change Healthcare

Change Healthcare, a subsidiary of UnitedHealth, faced a massive cyberattack which disrupted billions of medical claims processing and cost the company $3.1 billion. Dubbed the most significant attack in U.S. healthcare history, it led to extensive disruptions in the healthcare sector. The attack's magnitude and repercussions across interconnected systems underscore its potential to ripple through and impact an entire industry.

Source: https://www.cybersecuritydive.com/news/vendor-driven-cyberattacks-intensify-causing-bigger-losses/741544/

"id": "cha123030725",
"linkid": "change-healthcare",
"type": "Ransomware",
"date": "3/2025",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization’s existence"