Data leak
Anne Arundel Dermatology Data Breach - 1.9 Million Patients
Primary Source βIncident Details
Anne Arundel Dermatology (a Maryland-based multi-site dermatology practice) disclosed a data breach affecting approximately 1.9 million individuals. Attackers maintained unauthorized access to the network for approximately three months, from February 14 to May 13, 2025. Exposed data included names, addresses, dates of birth, medical information, and health insurance information. Notifications were issued beginning July 2025 with 24 months of identity protection services offered. No threat actor claimed responsibility. Anne Arundel Dermatology agreed to a $2.4 million class action settlement alleging negligent failure to protect patient data.
Technical Details
- Initial Attack Vector
- Unauthorized network access; attackers had persistent access to Anne Arundel Dermatology systems from February 14 to May 13, 2025
Timeline
- 2025-02-14 Breach occurred
- 2025-07-01 Publicly disclosed
- 2025-07-01 Customers notified