UnitedHealth security incident history
Hacking, data breaches and other security incidents involving UnitedHealth, with related coverage.
Incidents: 1 · Most recent
UnitedHealth ransomware attack disrupts healthcare services, causes massive breach
192.7MImpact: Data breach affecting 192.7 million people and disruption of prescription ordering and medical billing and payment services
In February 2024, UnitedHealth's technology unit was hit by a BlackCat ransomware attack, disrupting prescription ordering and medical billing and payment services. UnitedHealth worked to restore services and provided limited financial assistance to healthcare providers. The number of people later confirmed affected by the data breach rose to 192.7 million, and lawsuits by healthcare providers and patients followed.
Related reports: 34 · last report →