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Investigation OpenCA AG filing · December 17, 2025

Parexel International Reports Data Breach to California AG

Parexel International, LLC reported a data breach to the California Attorney General's office on December 17, 2025. This incident, which occurred on August 9, 2025, involved the exposure of personal information. Individuals who receive notification should consider reviewing their accounts and taking general protective steps.

State
CA
Breach date
August 9, 2025
Reported
December 17, 2025

Parexel International, LLC officially reported a data breach to the California Attorney General's office on December 17, 2025. This notification confirms an incident affecting personal information.

The filing indicates the breach occurred on August 9, 2025. While the specific nature of the incident remains unspecified in public records, it resulted in unauthorized access to or disclosure of personal information held by Parexel International.

The company has indicated the matter is currently under investigation. The filing does not specify how many individuals were impacted or the precise categories of data involved, referring generally to 'personal information'.

Individuals who receive an official notification from Parexel International, LLC should review it carefully for any specific instructions. It is generally advisable to remain vigilant against potential misuse of your personal information. Consider monitoring account statements and credit reports for any suspicious activity.

Changing passwords for online accounts, especially if similar login credentials are used across multiple services, is a recommended precaution. Be wary of unsolicited communications, such as emails or phone calls, that request personal details, as these could be phishing attempts.

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 CA Attorney General: https://oag.ca.gov/privacy/databreach/list#parexel-international-llc-2025-12-17 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 CA 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?
Check your letter from Parexel International, LLC. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Using the free service won't stop you from joining a lawsuit or settlement later.
Can I sue Parexel International, LLC over the data breach?
It depends on what was exposed, the law in CA 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: CA Attorney General filing

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