UnitedHealth Group is a organization tracked across 5 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed December 30, 2025; most recent activity July 21, 2026.
UnitedHealth Group is a leading American health insurance and services company, operating brands such as UnitedHealthcare and Optum. It holds extensive patient data and relies on complex digital platforms, making it a high-value and high-risk target for cybersecurity threats, including insider risks in the healthcare sector.
In February 2024, Change Healthcare suffered a ransomware attack attributed to the ALPHV group, impacting approximately 190 million individuals, making it the largest medical data breach in U.S. history. The attack…
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Craneware plc, a healthcare software provider, reported a cyberattack on July 20, 2026, involving unauthorized access to its data environment. Investigations revealed that a significant volume of file names was viewed…
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Organizations face significant challenges in aligning their cyber incident response plans with business continuity plans. The lack of integration leads to delays and confusion during incidents, as teams struggle to…