Where does the Rainier Clinical Research Center case file come from?

Every entry is taken from the breach report Rainier Clinical Research Center lodged with the Washington Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Rainier Clinical Research Center Data Breach

This file collects the dated facts on record for the Rainier Clinical Research Center incident. The state report is dated April 3, 2026.

Timeline

April 3, 2026Report filed in WashingtonDate the notice was lodged with the Washington Attorney General.

Case facts

Filing state: Washington
Date reported: April 3, 2026
Receiving office: Washington Attorney General

Case notes

Rainier Clinical Research Center, a clinical research organization, has confirmed a data breach incident. The center formally reported this cybersecurity event to the Washington Attorney General's office on April 3, 2026, consistent with regulatory requirements for such incidents.

The breach involved sensitive data maintained on Rainier Clinical Research Center's systems. As an entity handling medical studies and trials, their network contains extensive personal information related to participants. The specific categories of data exposed were not detailed in the public filing, but it has been confirmed that personal information was compromised.

Exposure of personal information like this can lead to various risks for those affected. Unauthorized parties may attempt to use the acquired data for targeted phishing attacks, identity theft, or engaging in fraudulent financial activities. Individuals whose information was involved may also face unique vulnerabilities related to their personal privacy.

Individuals who receive notification about this incident are encouraged to remain vigilant. It is advisable to regularly review account statements and credit reports for any unusual or unauthorized activity. Placing a fraud alert or credit freeze with major credit bureaus can also help protect against potential misuse of your data.

Furthermore, exercise caution with any unsolicited communications, whether by email, phone, or mail, that request personal details. Always verify the authenticity of such requests directly with the organization claiming to send them, using official contact information. The details of this breach are based on the public filing submitted to state regulators.

Questions about this case file

Where does the Rainier Clinical Research Center case file come from?: Every entry is taken from the breach report Rainier Clinical Research Center lodged with the Washington Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Washington data breaches

Filing source: Washington Attorney General

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Timeline

Case facts

Case notes

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