More than 1 million patients affected by DaVita ransomware attack; those are preliminary numbers
Briefly

Unauthorized access to DaVita's servers began on March 24, 2025, and continued until April 12, when the breach was contained. The incident involved a claim from the threat group InterLock, which threatened to leak 1.5 TB of sensitive data. Information compromised included personal identifiers and clinical data for patients. Preliminary totals from five states indicate 1,030,495 patients affected, likely increasing as more data becomes available. DaVita has a history of security incidents, with previous breaches dating back to 2008.
Unauthorized access to DaVita's servers occurred from March 24 to April 12, 2025, resulting in a significant data breach involving sensitive patient information.
InterLock threatened to leak 1.5 TB of data, which included names, dates of birth, social security numbers, health insurance information, and clinical details.
Five states reported a preliminary total of 1,030,495 patients potentially affected by DaVita's recent security breach, though total numbers may rise.
DaVita has a history of previous breaches, including incidents in 2008 involving stolen unencrypted patient data and facility burglaries.
Read at Databreaches
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