Change Healthcare, the health care services provider that recently experienced a ransomware attack that hamstrung the US prescription market for two weeks, was hacked through a compromised account that failed to use multifactor authentication, the company CEO told members of Congress. Further Reading US prescription market hamstrung for 9 days (so far) by ransomware attack The February 21 attack by a ransomware group using the names ALPHV or BlackCat took down a nationwide network Change Healthcare administers to allow healthcare providers to manage customer payments and insurance claims.

Source: Technology Lab – Ars Technica