Ramsey County, Minnesota, is informing clients of the Family Health Division program that the hackers may have accessed personal data. Names, addresses, dates of birth, telephone numbers, account numbers, health insurance information, and medical information may have been exposed. The attack against Netgain, a provider of managed IT services, occurred on November 4 and resulted in Netgain taking offline some data centers to stop the unauthorized encryption process to spread across the network. Some sources affected by the incident told us that the REvil ransomware gang was behind the attack.
Source: https://www.bleepingcomputer.com/news/security/netgain-ransomware-incident-impacts-local-governments/