CareSource (Commonwealth Care Alliance) Data Breach – Investigated by Federman & Sherwood
September 25, 2026 – Federman & Sherwood is investigating the CareSource (Commonwealth Care Alliance) data breach following a notification filed with the Massachusetts Office of Consumer Affairs and Business Regulation.
According to the filing, the data breach affected 826 Massachusetts residents, with additional individuals potentially affected nationwide. The information potentially affected includes medical records.
As an insurance organization, CareSource (Commonwealth Care Alliance) may maintain highly sensitive healthcare and insurance-related information. Unauthorized access to medical records may create risks involving patient privacy, medical identity theft, insurance fraud, and other misuse.
Federman & Sherwood is investigating whether CareSource (Commonwealth Care Alliance) implemented reasonable cybersecurity safeguards to protect sensitive medical information and whether additional measures could have prevented or reduced the impact of the data breach.
The potentially compromised information may include:
- Names
- Medical information
- Health insurance information
- Other sensitive information
What is CareSource (Commonwealth Care Alliance)?
CareSource and its acquired subsidiary, Commonwealth Care Alliance, operate as nonprofit managed care organizations that provide health insurance plans and care delivery programs for individuals with complex medical, behavioral, and social needs.
Individuals affected by the CareSource (Commonwealth Care Alliance) data breach may have legal rights and are encouraged to contact Federman & Sherwood.
Phone: 1-800-237-1277 | Email: info@federmanlaw.com