Welltok, Inc., a service provider for Elixir Pharmacy, disclosed that an unknown actor exploited software vulnerabilities in a MOVEit Transfer server on May 30, 2023, exfiltrating data including names and other personal information. Welltok was alerted to the compromise on July 26, 2023, after investigating published vulnerabilities. The incident affected patients of Elixir Pharmacy. Welltok engaged third-party cybersecurity specialists, reconstructed systems, and is offering credit monitoring services to affected individuals.