The Longleaf Network, LLC data breach

Clerk's notes

The Longleaf Network, LLC, which provides critical healthcare technology and administrative support services, filed notice of a data security incident with the Maryland Attorney General's office on March 3, 2025. The organization acts as an intermediary for medical providers, insurance administrators, and patients, managing extensive repositories of sensitive health and personal data.

The compromised information includes Full Name, Date of Birth, Social Security Number, Medical Record Number, Health Insurance ID Number, Diagnosis and Treatment Information, Prescription Information, and Provider and Treatment Dates. This combination of data types presents a significant risk to affected individuals.

Such an exposure can lead to severe consequences, including targeted medical identity theft, fraudulent insurance claims, and unauthorized acquisition of prescriptions. Unlike financial account numbers, these immutable personal details, such as Social Security Numbers and medical histories, cannot be easily changed, leaving individuals vulnerable to long-term risks.

Given its role in handling protected health information, The Longleaf Network, LLC is obligated under federal and state regulations, including HIPAA, to implement robust security measures. The occurrence of this data breach suggests potential deficiencies in maintaining these required protocols designed to safeguard confidential patient files.

If you have received a formal data breach notification letter from The Longleaf Network, LLC, it signifies that your private information was impacted. Reviewing your legal options is a concrete next step. Individuals do not typically need to incur financial losses to seek legal remedies, as the increased risk of identity theft can constitute a recognized injury. You may request a free case review to assess your situation and understand available avenues for accountability and restitution.

If a notification letter about this breach reached you, see every Maryland data breach on file or browse all cases.