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Parexel International, LLC data breach

Parexel International, LLC, a clinical research organization, has reported a data breach to Montana authorities, exposing sensitive personal and health information. This incident could place affected individuals at risk of identity theft and other forms of exploitation. Those who received a notification letter may be eligible for a free case review.

Docket sheet

Company
Parexel International, LLC
Venue
Montana Attorney General
Filed
December 17, 2025
People affected
Not stated
Status
Monitoring
Official regulator filing

Where this breach stands

  1. 1

    Breach occurredOctober 4, 2025

    Date of the incident as stated in the filing.

  2. 2

    Reported to the Montana Attorney GeneralDecember 17, 2025

    The company filed a breach notification with the state regulator.

  3. 3

    Attorney reviewCurrent stage

    Current status: Monitoring. Our office is reviewing whether affected people may have claims.

  4. 4

    Your case review

    Got a letter about this breach? Submit it for a free, confidential review.

Information listed in the filing

  • Full Name
  • Date of Birth
  • Social Security Number
  • Medical Record Number
  • Health Insurance ID Number
  • Clinical Trial Participation Records
  • Diagnosis and Treatment Information
  • Contact Information

Clerk's notes

Parexel International, LLC, a global clinical research organization, filed a data breach report with Montana authorities on December 17, 2025, following an incident on October 4, 2025. The breach exposed a range of highly sensitive personal and health data.

The compromised information includes individuals' Full Name, Date of Birth, Social Security Number, Medical Record Number, Health Insurance ID Number, Clinical Trial Participation Records, Diagnosis and Treatment Information, and Contact Information. The exposure of such extensive personal and medical details can lead to significant privacy risks, including potential identity theft and targeted fraud.

As a company handling vast amounts of confidential health and personal information, Parexel International, LLC is obligated to maintain robust security measures. The occurrence of this data breach suggests potential weaknesses in their protective systems, which are designed to safeguard sensitive data from unauthorized access.

Receiving a data breach notification letter from Parexel International, LLC indicates that your confidential information was part of this incident. Understanding your options is an important next step in protecting yourself. If you received a notification, you may be eligible for a no-cost, no-obligation case review to understand how this breach might affect you and what legal recourse may be available.

If a notification letter about this breach reached you, see every Montana data breach on file or browse all cases.

Other Montana docket entries

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