CareNexa (Molecular Testing Labs) Data Breach Impacts 27,618

CareNexa, LLC, doing business as Molecular Testing Labs ("MTL"), reported a data breach that exposed personally identifiable information (PII) and protected health information (PHI). So far, the breach has impacted at least 27,618 individuals in Texas alone.

On or around March 11, 2025, Molecular Testing Labs discovered that a data hosting and security vendor retained by MTL had experienced a cyber security incident impacting MTL systems and data. The company, in conjunction with a third-party cybersecurity expert, launched an investigation and concluded that the breach occurred on or about March 7, 2025 to approximately March 11, 2025.

While the investigation is ongoing, the types of data potentially exposed include names, Social Security numbers, addresses, and information related to medical tests.

The data breach was disclosed to the U.S. Department of Health and Human Services on May 15, 2025, to the California Attorney General's office on Dec. 10, 2025, and the Texas Attorney General's office on Dec. 12, 2025.

Molecular Testing Labs' response

Following the discovery of the breach, Molecular Testing Labs took steps to notify affected individuals and regulatory authorities, as required by law. The company has initiated an internal investigation to determine the full scope of the incident and to identify the vulnerabilities that allowed unauthorized access. The company is also offering complimentary credit monitoring and fraud assistance services through Cyberscout, a TransUnion company.

If you believe you may have been affected by this breach, it is important to remain vigilant. Consider monitoring your medical and financial accounts for any unusual activity. You may also want to review any notices sent to you by Molecular Testing Labs, as these will contain specific instructions and resources.

Impacted individuals should also be cautious of phishing attempts or suspicious communications that reference your health information. If you receive any such messages, verify their authenticity before responding or providing further information.

For more information, visit Molecular Testing Labs website.