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/

TPRM report: https://scoringcyber.rankiteo.com/company/change-healthcare

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

{'affected_entities': [{'industry': 'Healthcare',
                        'location': 'United States',
                        'name': 'Change Healthcare',
                        'type': 'Organization'}],
 'description': '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.',
 'impact': {'financial_loss': '$3.1 billion',
            'operational_impact': 'Extensive disruptions in the healthcare '
                                  'sector',
            'systems_affected': 'Medical claims processing systems'},
 'title': 'Massive Cyberattack on Change Healthcare',
 'type': 'Cyberattack'}