Hack of United health unit may have affected a third of Americans and was due to lack of multifactor authentication--CEO tesitimony

UnitedHealthcare CEO says 'maybe a third' of US citizens were affected by recent hack | TechCrunch Two months after hackers broke into Change Healthcare systems stealing and then encrypting company data, it’s still unclear how many Americans were UnitedHealth Group CEO Andrew Witty finally gave an estimate of how many Americans were impacted by the hack on the company's subsidiary Change Healthcare. Lorenzo Franceschi-Bicchierai TechCrunch

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Last month, Andrew Witty, the CEO of Change Healthcare’s parent company UnitedHealth Group, said that the stolen files include the personal health information of “a substantial proportion of people in America.”

On Wednesday, during a House hearing, when pushed to give a more definitive answer, Witty testified that the breach impacted “I think, maybe a third [of Americans] or somewhere of that level.”

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ALSO SEE: Change Healthcare cyberattack was due to a lack of multifactor authentication, UnitedHealth CEO says