On Monday, DaVita officially disclosed a significant cybersecurity incident that has shaken one of the leading names in the dialysis industry. The company revealed that it had been affected by a ransomware attack which encrypted several parts of its network. While the full extent and impact of the disruption remain unclear, this incident has raised serious concerns about the vulnerabilities even the most technologically advanced organizations face in today’s digital landscape.

This week, it was revealed that Berkshire Hathaway $BRKA.VI, led by the legendary Warren Buffett, has reduced its holdings in DaVita Inc. $DVA, one of the largest providers of kidney dialysis services. This decision, disclosed in a regulatory filing, has garnered significant attention from market participants. Let's delve into the reasons behind this move and the current state of this investment.