Data breach at medical billing firm MCBS affects 1.26 million people

Healthcare billing company Medical Computer Business Services (MCBS) has disclosed that a 2025 network breach exposed the sensitive information of more than 1.2 million people.

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https://www.bleepingcomputer.com/news/security/data-breach-at-medical-billing-firm-mcbs-affects-126-million-people/

Curated Jul 28, 2026 by Aidan Duffy, Threat intelligence editor, AHackaday./Methodology/Sources verified.

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