Parexel Data Breach Lawsuit Investigation
More than 5,000 current and former employees recently learned that personal information stored in Parexel’s Oracle cloud environment was accessed during a cyber-attack. If you received a breach notice, you may qualify for free credit monitoring and may be entitled to compensation. Contact us to discuss your rights.
What Happened?
According to the breach notice filed with the Massachusetts Attorney General on December 17, 2025, Parexel International, LLC (Parexel) detected suspicious activity on October 4, 2025 affecting part of its Oracle OCI E-Business Suite (“Oracle EBS”) environment hosted by Oracle. The next day, Oracle publicly disclosed a zero-day vulnerability impacting its cloud infrastructure. Parexel disconnected Oracle EBS from its network, applied Oracle’s patch once available, and engaged third-party cybersecurity experts to investigate.
Information Exposed
Parexel’s review determined that files containing employee personal data were accessed. The data elements involved may include:
- Name
- Date of birth
- Social Security number
- National ID number
- Financial account number
- Credit/debit or payment card number (without CVV)
The breach impacted 5,259 individuals who reside in Massachusetts.
Actions Taken by Parexel
- Immediately disconnected the affected Oracle EBS environment from the corporate network.
- Applied Oracle’s security patch addressing the zero-day exploit.
- Partnered with external cybersecurity firms to secure the environment and review impacted files.
- Notified affected individuals and regulators on December 17, 2025.
Your Options & Next Steps
Parexel is offering 24 months of complimentary credit monitoring. Affected employees can enroll online or by phone using the instructions provided in the mailed notice.
Download Official Breach Notice (PDF)If your information was involved, you can:
- Sign up for the free credit monitoring service before the enrollment deadline listed in your letter.
- Monitor bank and card statements for unauthorized activity.
- Consider placing a fraud alert or security freeze on your credit files.
- Consult experienced data-privacy counsel to explore potential legal claims for damages.
Timeline of Key Events
- October 4, 2025 — Discovery: Suspicious activity detected in Oracle EBS.
- October 5, 2025 — Oracle Disclosure: Zero-day vulnerability announced by Oracle.
- October 4-5, 2025 — Immediate Response: Parexel disconnects Oracle EBS and engages experts.
- December 17, 2025 — Notices Sent: Breach disclosed to regulators and affected individuals.
Company Overview
Parexel is a global contract research organization serving the biopharmaceutical industry.
- Website: parexel.com
- Headquarters: North Hills Innovation District, Tower 5, Raleigh, North Carolina, United States
- Founded: 1982
- Industry: Contract Research Organization
- Employees: 24,000+
- Social: X | LinkedIn | Facebook | Instagram | YouTube
Frequently Asked Questions
I received a data breach letter from Parexel — what should I do?
Follow the enrollment instructions in the letter to activate your free 24-month credit monitoring, and review the additional identity-protection tips provided.
How do I submit a claim related to the Parexel data breach?
Contact a qualified data-privacy attorney to discuss your eligibility. Keep your breach notice and any proof of out-of-pocket losses.
What information did the Parexel breach expose?
The files may include your name, date of birth, Social Security or national ID number, financial account data, and payment card number (without CVV).
Did Parexel offer credit monitoring, and for how long?
Yes. Parexel is providing complimentary credit monitoring services for 24 months to all affected individuals.
How many people were affected by the Parexel breach?
The company reported that 5,259 Massachusetts residents were impacted.
How can I get the official breach notice (PDF) for Parexel?
You can download it directly from the Massachusetts Attorney General’s website using the button above.