Stockton Cardiology Medical Group reports hack affecting 90,000 patients
Stockton Cardiology Medical Group, a healthcare provider in California, submitted a breach report to HHS OCR on 03/18/2026. The incident involved a hacking/IT incident targeting a network server. The filing indicates that 90,000 individuals were affected. This submission date reflects when the report was filed, not when the breach occurred. Administrators in California should review their own security controls for network servers to ensure they are protected against similar unauthorized access events.