Ransomware group DragonForce has claimed exfiltration of approximately 2.3 million records from AdvancedHEALTH, a Tennessee-based multi-specialty healthcare group, with claimed data including patient SSNs, medical records, and financial information. AdvancedHEALTH has not confirmed the breach as of May 18, 2026. This item is actionable primarily for healthcare sector defenders and organizations with data-sharing or BAA relationships with AdvancedHEALTH.