Ransomware Attack Disrupts Global Dialysis Provider DiVita

Company Files Report With SEC About Incident Discovered Over the Weekend Marianne Kolbasuk McGee (HealthInfoSec) • April 14, 2025

Denver-based DaVita Inc., which runs more than 3,100 dialysis and kidney care facilities in the U.S. and 13 other countries, reported to the U.S. Securities and Exchange Commission that a ransomware attack over the weekend is disrupting some of its operations.

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DaVita told the SEC that it became aware of the ransomware incident on Saturday, and that the attack has encrypted "certain elements" of its network.

"Upon discovery, we activated our response protocols and implemented containment measures, including proactively isolating impacted systems," DaVita said.

The company reported that it is working to assess and remediate the incident with the assistance of third-party cybersecurity professionals. DaVita has also notified law enforcement ...