MedRevenu, LLC, a healthcare billing services provider, notified the California Attorney General of a data security incident. The breach occurred on December 3, 2024, and was discovered on December 12, 2024, when a network disruption was detected. An investigation concluded in October 2025 that certain files containing personal information, including names, dates of birth, Social Security numbers, driver's license numbers, health insurance and medical information, and financial account numbers, may have been acquired without authorization. The company engaged cybersecurity experts, secured its network, and is offering 12 months of complimentary credit monitoring and fraud assistance to affected individuals.