Sources: the BlackCat ransomware gang is behind the outage at UnitedHealth's technology unit that has disrupted services at pharmacies in the US for six days (Reuters)

Reuters:

Sources: the BlackCat ransomware gang is behind the outage at UnitedHealth’s technology unit that has disrupted services at pharmacies in the US for six days  —  Figurines with computers and smartphones are seen in front of the words “Cyber Attack” in this illustration taken, February 19, 2024.