The cybersecurity practices leading to the ransomware infection at Change Healthcare were deemed as 'egregious negligence' by Tom Kellermann, highlighting issues like the lack of multi-factor authentication and insufficient threat hunting.
UnitedHealth paid a $22 million ransom after the attack, but Kellermann criticized this decision as a 'massive mistake' and urged the US government to ban ransom payments to prevent funding criminal activities and data leaks.
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