The Parexel International, LLC (“Parexel”) Data Breach: Reported Filing Facts

Parexel International, LLC (“Parexel”) is a global clinical research organization that provides specialized services to the biopharmaceutical and medical device industries. In the course of managing clinical trials and research projects, the company typically collects and stores highly sensitive information, including patient health records, clinical trial participation data, and personal identification details. In 2025, Parexel officially reported a data security incident to the Texas Attorney General, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from the company, it indicates that your personal information was likely involved in this incident. This notice is intended to inform you of the nature of the breach and the steps the company is taking to address the situation.

State: Texas
Breach date: August 9, 2025
Reported: December 17, 2025

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

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.

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