Parexel International, LLC data breach
Parexel International, a global clinical research organization, reported a data breach to the Montana Attorney General on December 17, 2025. This incident, which began on October 4, 2025, may have exposed personal information belonging to individuals who have since received notification letters. Those affected should carefully review their notice to understand the potential impact and available protections.
Docket sheet
- Company
- Parexel International, LLC
- Venue
- Montana Attorney General
- Filed
- December 17, 2025
- People affected
- Not stated
- Status
- Investigation Open
Where this breach stands
- 1
Breach occurredOctober 4, 2025
Date of the incident as stated in the filing.
- 2
Reported to the Montana Attorney GeneralDecember 17, 2025
The company filed a breach notification with the state regulator.
- 3
Attorney reviewCurrent stage
Current status: Investigation Open. Our office is reviewing whether affected people may have claims.
- 4
Your case review
Got a letter about this breach? Submit it for a free, confidential review.
Clerk's notes
Parexel International, LLC, a global clinical research organization, has officially reported a data breach to the Montana Attorney General. The incident, which began on October 4, 2025, was filed on December 17, 2025, and is currently under investigation.
Given its role in biopharmaceutical and medical device industries, Parexel International routinely handles sensitive personal information. This breach potentially compromised the information involved, prompting the company to issue formal notification letters to all affected individuals.
If you have received such a letter from Parexel International, it indicates that your personal information may have been part of this security incident. The purpose of these letters is to inform you about the breach and outline any steps the company is taking to assist those affected.
It is crucial to carefully review the content of your notification letter. This document should provide specific details about the incident, explain what information was involved, and list any protective services or measures the company is offering.
Understanding the implications of a data breach can be complex. While reviewing the company's advice, you might also consider your rights and potential legal options. A free case review can help clarify your situation without obligation.
If a notification letter about this breach reached you, see every Montana data breach on file or browse all cases.
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