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UnitedHealth CEO tells Senate all systems now have multi-factor authentication after hack
Andrew Witty, UnitedHealth Group's CEO, appeared in a House hearing to answer questions about the recent ransomware attack suffered by subsidiary Change Healthcare.
The lack of multi-factor authentication was at the center of the ransomware attack that hit Change Healthcare earlier this year, which impacted pharmacies, hospitals, and doctor’s offices across the United States. Multi-factor authentication, or MFA, is a basic cybersecurity mechanism that prevents hackers from breaking into accounts or systems with a stolen password by requiring a second code to log in. In a written statement submitted on Tuesday ahead of two Congress hearings, Witty revealed that hackers used a set of stolen credentials to access a Change Healthcare server, which he said was not protected by multi-factor authentication.
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