Cybersecurity Breach at UnitedHealth Group Exposes Vulnerabilities

UnitedHealth Group CEO Andrew Witty faced tough questions from senators about the recent cyberattack on its subsidiary Change Healthcare. The breach, caused by a lack of multi-factor authentication, allowed hackers to access sensitive data and encrypt it with ransomware. Witty admitted to the oversight and revealed that the company paid a $22 million ransom to the attackers. The breach, impacting millions of Americans, highlights the growing threat of ransomware attacks in the healthcare industry.