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Maryland Data Breaches — Page 2
Browse data breaches affecting Maryland residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 16 breaches affecting Maryland
Columbia Medical Practice
Discovered Nov 5, 2025
Columbia Medical Practice experienced a data breach in November 2025 due to a ransomware attack, compromising the data of approximately 3,000 individuals.
You may be entitled to compensation
Friends of Family Health Center
Discovered Oct 2, 2025
Friends of Family Health Center experienced a data breach in late 2025 due to a vendor's security incident, potentially exposing sensitive patient data.
You may be entitled to compensation
Mendocino Community Health Clinic
Discovered Oct 2, 2025
Mendocino Community Health Clinic experienced a data breach in October 2025 that compromised the sensitive personal and protected health information of over 3,500 individuals.
You may be entitled to compensation
Santa Cruz Community Health
Discovered Oct 2, 2025
Santa Cruz Community Health experienced a data breach in 2025 due to a vendor incident, potentially exposing sensitive personal and health information.
You may be entitled to compensation
Baltimore Medical System
Discovered Jul 2, 2025
Baltimore Medical System experienced a data breach in 2025, with potential unauthorized access to systems between July 2 and July 20, 2025.
You may be entitled to compensation
Oracle Health
Discovered Jan 22, 2025
Oracle Health (formerly Cerner Corporation) experienced a data breach in January 2025 that affected Baptist Health South Florida and other healthcare providers, exposing patient data.
You may be entitled to compensation
Cerner Corporation
Discovered Jan 22, 2025
Cerner Corporation (now Oracle Health) experienced a data breach in 2025 that continued to affect patients into 2026 due to unauthorized access to legacy systems.
You may be entitled to compensation
Southeast Series of Lockton Companies, LLC
Discovered Nov 20, 2024
The Southeast Series of Lockton Companies, LLC data breach was discovered on November 20, 2024, and regulator records identify the incident as affecting approximately one million people. Reported data types include names, dates of birth, Social Security numbers, health information, and medical information.
You may be entitled to compensation
Centers for Medicare & Medicaid Services
Discovered Nov 5, 2024
A data incident involving Medicare.gov accounts operated by the Centers for Medicare & Medicaid Services (CMS) may have impacted approximately 103,000 Medicare beneficiaries, not Aetna, with notifications sent in 2023 or 2024.
Santa Rosa Community Health
Discovered Nov 1, 2024
Santa Rosa Community Health experienced a data breach in 2025 due to a vendor incident, potentially exposing patient data including Social Security Numbers.
Texas Tech University Health Sciences Center El Paso
Discovered Sep 17, 2024
Texas Tech University Health Sciences Center El Paso experienced a regulator-confirmed data breach beginning in 2024 that may have affected approximately 815,000 people. Reported information included Social Security numbers, medical and health insurance information, financial account information, and other personal data.
Healthcare Services Group, Inc
Discovered Sep 1, 2024
Healthcare Services Group, Inc. experienced a data breach in 2024 that impacted over 624,000 individuals across 48 U.S. states.
You may be entitled to compensation
Landmark Admin, LLC
Discovered May 13, 2024
Landmark Admin, LLC experienced a 2024 data breach affecting approximately 1.6 million people. Reported exposed information included Social Security numbers and financial information; the incident involved Landmark Admin’s administration of information for Liberty Bankers Insurance Group and Accendo Insurance Company.
ALN Medical Management, LLC
Discovered Mar 18, 2024
ALN Medical Management, LLC experienced a March 2024 healthcare data breach, with final reports indicating over 1.3 million individuals were affected.
ConnectOnCall.com, LLC
Discovered Feb 16, 2024
ConnectOnCall.com, LLC experienced a regulator-confirmed data breach in 2024 after an unknown third party accessed its application. The notice identified names, phone numbers, and information in provider-patient messages, but did not disclose the number of affected individuals.
You may be entitled to compensation
Medusind, Inc.
Discovered Dec 29, 2023
Medusind, Inc. experienced a regulator-confirmed data breach on December 29, 2023, involving personal, medical, insurance, payment, and government-identification information. The number of affected individuals has not been publicly identified in the sources reviewed.
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