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Investigation OpenIL AG filing · November 20, 2025

PAREXEL INTERNATIONAL Reports Data Security Incident to Illinois AG

PAREXEL INTERNATIONAL, LLC has reported a data security incident to the Illinois Attorney General's office on November 20, 2025. This incident may have exposed personal information, and the company is currently investigating the full scope and impact of the event. Individuals who receive a notification should review it carefully for further details and recommended protective steps.

State
IL
Reported
November 20, 2025

PAREXEL INTERNATIONAL, LLC, a global clinical research organization, has officially reported a data security incident to the Illinois Attorney General. The filing, dated November 20, 2025, indicates that an investigation into the nature and extent of the event is currently underway.

The specific type of data involved in this incident has not been detailed in the public record. Similarly, the exact date when the breach occurred remains unknown, and the number of individuals potentially affected by this event has not been specified.

Since the data types and scope are still under investigation, affected individuals are encouraged to pay close attention to any official notification letters they may receive directly from PAREXEL INTERNATIONAL. These letters should contain the most accurate and up-to-date information regarding the incident, as well as specific guidance tailored to the circumstances.

While details are still emerging, general best practices for protecting personal information apply. This includes carefully monitoring financial accounts for any suspicious activity, reviewing credit reports regularly, and being cautious of unsolicited communications that might attempt to phish for more information. Placing a fraud alert or credit freeze can also add an extra layer of security.

This information is based on public filings submitted to the Illinois Attorney General's office, serving as a record of the reported data security incident.

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.

What to know about the PAREXEL INTERNATIONAL, LLC data breach

Where can I see the official PAREXEL INTERNATIONAL, LLC breach notice?
PAREXEL INTERNATIONAL, LLC's report is published by the IL Attorney General: https://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/databreach-search#IL-25-12-665 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 IL Attorney General on November 20, 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. 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 IL 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. 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: IL Attorney General filing

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