A significant data breach has been reported by UnitedHealth Group, affecting over 100 million individuals. The incident occurred in February and was caused by a ransomware attack on Change Healthcare, which was exploited using stolen credentials. The compromised data may include personal information, and the affected parties have been notified accordingly. This breach is considered the largest healthcare data breach on record.

Source: https://www.theverge.com/2024/10/25/24279288/unitedhealth-change-breach-100-million-leak