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Data Breach Law Group Investigates the Parexel International, LLC Data Breach

By Data Breach Law Group | Posted on December 17, 2025 · Montana

Miami, FL — Data Breach Law Group is investigating a data breach involving Parexel International, LLC, reported to the Montana Attorney General on December 17, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.

Parexel International, LLC is a global clinical research organization that provides specialized services to the biopharmaceutical and medical device industries. Given the nature of their business, the company typically collects and maintains sensitive personal information, including detailed health records, clinical trial participation data, and government identification numbers required for regulatory compliance. This data breach was officially reported to the Montana Attorney General in 2025, and the company has since issued formal notification letters to all impacted individuals. If you received such a letter, it indicates that your personal or health-related information may have been compromised. We recommend reviewing the details provided in your notice carefully to understand the specific scope of the incident and the protective measures being offered by the company.

If you were affected

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Did you receive a letter from Parexel International, LLC?

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This page is attorney advertising and is for general informational purposes only. It is not legal advice, and contacting Data Breach Law Group does not create an attorney-client relationship. Case details are drawn from publicly reported breach notifications and may be updated as more information becomes available. Prior results do not guarantee a similar outcome.