<ul><li>In February, Change Healthcare experienced a ransomware attack causing disruptions in medical supply chains and billing procedures.</li><li>UnitedHealth CEO, Andrew Witty, testified before the Senate regarding the cyber attack.</li><li>Witty attributed the incident to the absence of multi-factor authentication.</li><li>Initial estimates suggest a financial loss of $22 million, with concerns of it escalating in the coming months.</li></ul>

United Health CEO testifies before senate for ransomware attack

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