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Kidney dialysis firm DaVita hit by weekend ransomware attack

Jasper_The_Rasper
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April 14, 2025 By Bill Toulas

 

DaVita

Kidney dialysis firm DaVita disclosed Monday it suffered a weekend ransomware attack that encrypted parts of its network and impacted some of its operations.

DaVita is a major provider of kidney care services in the United States, operating over 2,600 outpatient treatment centers that provide dialysis to those suffering from kidney disease. It is a Fortune 500 organization with 76,000 employees in 12 countries and an annual revenue that surpasses $12.8 billion.

The company disclosed today in an SEC FORM-8K filing that it suffered a ransomware attack on Saturday that encrypted some of the systems on its network. It is common for ransomware gangs to deploy encryptors over the weekend when IT teams are understaffed and less likely to respond quickly.

"On April 12, 2025, DaVita Inc. became aware of a ransomware incident that has encrypted certain elements of our network," reads the 8-K filing.

 

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    Jasper_The_Rasper
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    Interlock ransomware claims DaVita attack, leaks stolen data

     

    April 24, 2025 By Bill Toulas

     

    Interlock ransomware claims DaVita attack, leaks stolen data

    The Interlock ransomware gang has claimed the cyberattack on DaVita kidney dialysis firm and leaked data allegedly stolen from the organization.

    DaVita is a Fortune 500 kidney care provider with more than 2,600 U.S. dialysis centers, 76,000 employees in 12 countries, and an annual revenue exceeding $12.8 billion.

    The healthcare company disclosed to the U.S. Securities and Exchange Commission (SEC) that on April 12 it suffered a ransomware attack  that affected some operations. DaVita stated at the time that it was investigating the impact of the incident.

    Earlier today, the Interlock ransomware gang claimed the attack on DaVita by adding it to the list of victims published on its data leak site (DLS) on the dark web.

    According to the gang's claim, they have around 1.5 terabytes of data from the healthcare company, or nearly 700,000 files of what appear to be sensitive patient records, information on user accounts, insurance, and even financial details.

     

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    ProTruckDriver
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    I hope all these miscreant SOB’s that did this gets a urinary tract infection and can’t piss for a year! 😡

    Late 2015 ~ 5K ~ 27 inch iMac ~ macOS Catalina 10.15.7 ~ Clone & Backup with: SuperDuper - Time Machine & iCloud. PWM: RoboForm. 👁¿👁 Spam Annihilater 👁¿👁
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    • TripleHelix
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    • April 26, 2025
    ProTruckDriver wrote:

    I hope all these miscreant SOB’s that did this gets a urinary tract infection and can’t piss for a year! 😡

    👍👍👍👍👍

    Daniel - Microsoft MVP Consumer Security (2012-2016) Windows 10 Pro x64 for Workstations 22H2 on my Alienware 17R2 and Alienware 17R5 Laptops with Webroot SecureAnywhere Complete Beta Tester for PC & Android Moto G9 Plus OS 11. "Take Them to the Train Station" ¯\_(ツ)_/¯
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