MedStar Health reports hacking incident affecting 64,332 individuals
MedStar Health, Inc., a healthcare provider in Maryland, submitted a breach report to HHS OCR on 12/03/2025. The incident involved a hacking/IT incident targeting a network server. The filing indicates that 64,332 individuals were affected. This submission date reflects when the report was filed, not when the breach occurred. Providers and business associates should review their own security logs and incident response plans to ensure they can meet reporting timelines if similar events occur.
Primary source: HHS OCR Breach Portal — MedStar Health, Inc. (MD) · reported 12/03/2025 · 64,332 individuals · Checked against the record 2026-10-29