UHG says it's rebuilding Change Healthcare with cloud-based security

UnitedHealth Group CEO Andrew Witty testified on May 1 before both the House and Senate about the seismic February 21 cyberattack of UHG subsidiary Change Healthcare, which was infiltrated by the ALPHV ransomware gang. 

He acknowledged that the absence of multi-factor authentication on a legacy server provided the cybercriminals with their successful attack vector. 

And, though the company's forensic investigation will continue for the foreseeable future, Witty admitted that personally identifiable information and protected health information for, in his estimated, …

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