Where can I see the official Parexel International, LLC breach notice?

Parexel International, LLC's report is published by the Montana Attorney General: https://dojmt.gov/office-of-consumer-protection/reported-data-breaches/#mt-parexel-international-llc-2025 Compare it with the letter you received to confirm the dates and details match.

What should I do after getting the Parexel International, LLC data breach notice?

Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.

Is the Parexel International, LLC data breach letter legit or a scam?

A notice from Parexel International, LLC in the mail matches the breach Parexel International, LLC reported to the Montana Attorney General on December 17, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Parexel International, LLC through a phone number or website you find yourself.

Did Parexel International, LLC offer free credit monitoring?

Any free monitoring Parexel International, LLC is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.

Can I sue Parexel International, LLC over the data breach?

It depends on what was exposed, the law in Montana and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.

Is there a Parexel International, LLC data breach class action lawsuit?

Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Parexel International, LLC. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.

How much could a Parexel International, LLC data breach settlement or claim be worth?

There is no set amount, and no Parexel International, LLC settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Date of Birth, Social Security Number as involved. Keep receipts and records; they're what damages claims are built on.

Do I need a Parexel International, LLC data breach lawyer or attorney?

An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Received a Parexel International, LLC notification letter? Read the letter guide

MonitoringMontana AG filing · December 17, 2025

Parexel International Reports Data Breach Affecting Sensitive Data

Parexel International, a global clinical research organization, filed a data breach notice with Montana regulators on December 17, 2025. This incident, which occurred on October 4, 2025, involved the exposure of sensitive personal and health-related data. Individuals who receive official notifications should review them for specific details on how to protect their information.

State: Montana
Breach date: October 4, 2025
Reported: December 17, 2025

What may have been exposed

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

Parexel International, LLC, a leading global clinical research organization, reported a data security incident to the Montana Attorney General's Office. The filing, dated December 17, 2025, indicates an unspecified type of breach that occurred on October 4, 2025. This notification serves to inform affected individuals about the compromise of their personal information held by the organization.

The data reported as exposed in this incident includes 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. These categories of data are highly sensitive and can carry significant risks if accessed by unauthorized parties.

The exposure of such detailed personal and health data can lead to various forms of misuse. For example, Full Names, Dates of Birth, and Social Security Numbers are foundational elements often exploited in identity theft or fraudulent schemes. The compromise of Medical Record Numbers, Health Insurance ID Numbers, Clinical Trial Participation Records, and Diagnosis and Treatment Information could potentially result in medical identity theft or unauthorized access to personal health details.

Individuals who receive an official data breach notification letter from Parexel International should carefully review its contents. It is generally advisable to monitor financial accounts for any suspicious activity and to consider placing a fraud alert or credit freeze with the major credit reporting agencies. Enhancing online security practices, such as changing passwords for important accounts and enabling multi-factor authentication, are also recommended steps to help safeguard personal information.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

Freeze your credit
Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.
Check for medical identity theft
Review the Explanation of Benefits statements from your health insurer for services or claims you never received, which can signal misuse of your medical identity.
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.

What to know about the Parexel International, LLC data breach

How many people were affected by the Parexel International, LLC data breach, and what was exposed?: The filing does not give a count of affected people and lists the following information as involved: 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. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Where can I see the official Parexel International, LLC breach notice?: Parexel International, LLC's report is published by the Montana Attorney General: https://dojmt.gov/office-of-consumer-protection/reported-data-breaches/#mt-parexel-international-llc-2025 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Parexel International, LLC data breach notice?: Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the Parexel International, LLC data breach letter legit or a scam?: A notice from Parexel International, LLC in the mail matches the breach Parexel International, LLC reported to the Montana Attorney General on December 17, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Parexel International, LLC through a phone number or website you find yourself.
Did Parexel International, LLC offer free credit monitoring?: Any free monitoring Parexel International, LLC is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
Can I sue Parexel International, LLC over the data breach?: It depends on what was exposed, the law in Montana and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a Parexel International, LLC data breach class action lawsuit?: Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Parexel International, LLC. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a Parexel International, LLC data breach settlement or claim be worth?: There is no set amount, and no Parexel International, LLC settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Date of Birth, Social Security Number as involved. Keep receipts and records; they're what damages claims are built on.
Do I need a Parexel International, LLC data breach lawyer or attorney?: An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: Montana Attorney General filing

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