Unfortunately, hackers didn’t need sophisticated skills to pull off one of the nation’s most alarming and consequential health care ransomware attacks. Instead, the cybercriminals who crippled a UnitedHealth Group subsidiary earlier this year took advantage of a basic and obvious security oversight, a revelation made public Wednesday at two congressional hearings. The subsidiary is called Change Healthcare. It acts as the Visa/Mastercard payment system for wide swaths of health care and is entrusted with patient data. Disturbingly, it did not have multi-factor authentication (MFA) in place across all of its Read More
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