zHealthEHR (zHealth), a cloud-based electronic health record (EHR) and practice management platform built for chiropractors and wellness providers, has allegedly been compromised. An unidentified threat actor claims to have exfiltrated a massive database from the San Francisco-based company, which serves thousands of clinics across the United States.
The actor listed the data on January 26, 2026, demanding a $500,000 ransom to prevent the information from being sold to third parties. The breach reportedly involves 15 GB of data, totaling over 1.2 million records. The organization has been given a deadline of February 17, 2026, to meet the extortion demands.
According to the actor, the allegedly compromised data includes:
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Full names
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Email addresses
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Phone numbers
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Patient intake information
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Clinical documentation (customizable SOAP notes)
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Appointment scheduling and automated reminders
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Billing and payment records
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Demographic information
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