Healthcare SaaS provider Welltok is warning that a data breach exposed the personal data of nearly 8.5 million patients in the U.S. after a file transfer program used by the company was hacked in a data theft attack.
Earlier today, the firm reported on the U.S. Department of Health and Human Services breach portal that the data breach has been confirmed to impact 8,493,379 people.
This figure places the Welltok breach as the second largest MOVEit data breach after services contractor Maximus, whose data breach affected 11 million people.
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