Understanding your Parexel International, LLC (“Parexel”) data breach notification letter
If a Parexel International, LLC (“Parexel”) letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.
Why you received this letter
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.
What to do after the letter
Confirm the notice is genuine
A legitimate Parexel International, LLC (“Parexel”) notice references the specific incident reported to the Texas Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.
Keep the letter — it is your proof of connection
The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.
Protect your accounts and credit
Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.
Check the record against the public filing
You can verify the Parexel International, LLC (“Parexel”) incident against the filing reported to the Texas Attorney General. This registry summarizes what was filed; it does not provide legal advice.
This page summarizes a data breach reported to the Texas Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.