Attackers phished their way inside Magellan's systems
https://www.bleepingcomputer.com/news/security/healthcare-giant-magellan-health-hit-by-ransomware-attack/
Fortune 500 company Magellan Health Inc announced today that it was the victim of a ransomware attack on April 11, 2020, which led to the theft of personal information from one of its corporate servers.
Magellan Health is a for-profit managed health care and insurance firm that ranks 417 on the Fortune 500 list of the largest US corporations by total revenue.