A massive data breach at Change Healthcare, a health tech giant, has left over 100 million individuals affected. The breach occurred due to a single set password on a user account without multi-factor authentication. UnitedHealth Group CEO Andrew Witty testified before lawmakers, stating that the incident was entirely preventable. It took the company eight months to announce the breach, with notifications beginning in late July.

Source: https://techcrunch.com/2024/10/24/how-the-ransomware-attack-at-change-healthcare-went-down-a-timeline/