Rainier Clinical Research Center data breach
Incident readout
- Company
- Rainier Clinical Research Center
- Reported to
- WA Attorney General
- Filed
- April 3, 2026
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
Rainier Clinical Research Center recently experienced a cybersecurity incident that compromised sensitive data stored on its network. As a clinical research organization handling sensitive healthcare and personal records, the entity maintains extensive files on individuals participating in medical studies and trials. On April 3, 2026, Rainier Clinical Research Center officially reported the security failure to the Washington Attorney General, confirming that a data breach occurred. The exposed data includes personal information, which can create significant privacy and security risks for everyone affected. When personal information is stolen, unauthorized parties gain details that can be used to facilitate targeted phishing attacks, identity theft, and fraudulent financial activities. Because this data often links a person's identity to specific medical or clinical contexts, victims face unique vulnerabilities regarding their personal privacy. Individuals who received a notification letter in the mail from Rainier Clinical Research Center may be eligible to participate in a class action lawsuit investigation. Those impacted can take action by signing up for a free case review with no upfront fees to understand their legal rights.
See every breach reported in WA or read what to do after a ransomware attack.
After the Rainier Clinical Research Center incident: what to do and your options
- What should I do after getting the Rainier Clinical Research Center 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.
- Did Rainier Clinical Research Center offer free credit monitoring?
- Any free monitoring Rainier Clinical Research Center is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
- Where can I see the official Rainier Clinical Research Center breach notice?
- Rainier Clinical Research Center's report is published by the WA Attorney General: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA37589.pdf Compare it with the letter you received to confirm the dates and details match.
- Can I sue Rainier Clinical Research Center over the data breach?
- It depends on what was exposed, the law in WA 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.
- Do I need a Rainier Clinical Research Center data breach lawyer or attorney?
- Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
- Is there a Rainier Clinical Research Center 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 Rainier Clinical Research Center. 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.
- Is the Rainier Clinical Research Center data breach letter legit or a scam?
- A notice from Rainier Clinical Research Center in the mail matches the breach Rainier Clinical Research Center reported to the WA Attorney General on April 3, 2026. 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 Rainier Clinical Research Center through a phone number or website you find yourself.
- How much could a Rainier Clinical Research Center data breach settlement or claim be worth?
- There is no set amount, and no Rainier Clinical Research Center 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.
Other breaches reported in WA
- iRhythm Technologies Inc.Washington Attorney General · Filed October 6, 2026Count not stated
- Poppins Payroll CompanyWashington Attorney General · Filed September 29, 2026Count not stated
- zHealth, Inc.Washington Attorney General · Filed September 11, 2026Count not stated
- Cornerstone Staffing Solutions, Inc.Washington Attorney General · Filed September 11, 2026Count not stated
- Quatrro Business Support Services, Inc.Washington Attorney General · Filed September 9, 2026Count not stated
- Hibbett Retail, Inc.Washington Attorney General · Filed September 8, 2026Count not stated
Attorney advertising. This page reflects a public regulator filing; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.