The ransomware attack that hit US health tech titan Change Healthcare earlier this year was orchestrated by hackers who leveraged stolen credentials to infiltrate the company’s systems lacking multi-factor authentication (MFA). The revelation surfaced in UnitedHealth CEO Andrew Witty’s written testimony submitted before a House subcommittee hearing today, which is set to probe the February 21 breach that wreaked havoc across the American healthcare network.

Source: Infosecurity