Quatrro Business Support Services, Inc. data breach

Clerk's notes

Quatrro Business Support Services, Inc. acts as an outsourced operational arm for numerous client organizations, handling critical functions like finance, HR, and payroll. In this capacity, Quatrro centralizes vast quantities of confidential records, making it a high-value target for malicious actors seeking to exploit interconnected business networks.

On September 9, 2026, Quatrro reported a data security incident to the Washington Attorney General's office. While the precise mechanics of the breach remain under investigation, preliminary indications suggest the compromised data files contained a wide array of personally identifiable information. This included Full Name, Social Security Number, Date of Birth, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, Mailing Address, and Email Address.

The exposure of such sensitive data creates severe and immediate risks. Individuals whose Social Security Numbers, Direct Deposit Account Details, and Tax Return Information were compromised face heightened vulnerabilities to targeted identity theft, fraudulent tax filings, unauthorized credit applications, and sophisticated financial account takeover schemes that can take years to detect and resolve.

As a custodian of sensitive consumer and corporate data, Quatrro Business Support Services was legally obligated to implement and maintain robust administrative, physical, and technical safeguards. Under Washington state data protection laws, companies handling high-risk personal and financial information must adhere to stringent cybersecurity frameworks. The occurrence of this data breach raises serious questions about whether Quatrro met its legal duty of care to protect the information entrusted to it.

Receiving a data breach notification letter from Quatrro Business Support Services indicates that your private information was impacted. For those affected, reviewing the specifics of this incident with qualified legal counsel can help determine potential next steps. We are monitoring this case and offer a free case review to individuals who received a notification.

If a notification letter about this breach reached you, see every Washington data breach on file or browse all cases.