Washington Trust Data Breach Lawsuit Investigation
A December 15 notice confirms Washington Trust customers were caught in a Marquis vendor cyber-attack that exposed sensitive financial and Social Security data. If you received a breach letter, review the facts below and contact our investigation team to safeguard your rights.
Download Official Breach Notice (PDF)Key Timeline
- August 14 2025 — Unauthorized access to Marquis systems begins.
- October 27 2025 — Washington Trust is informed of the incident.
- December 15 2025 — Customer notification letters mailed and filings made with Maine, Massachusetts, and Vermont Attorneys General.
Scope of the Washington Trust Breach
Marquis, a third-party marketing vendor, confirmed that files containing Washington Trust customer information were viewed or copied without permission. Washington Trust reports the breach affects 288 individuals across Massachusetts, with additional notices filed in Maine and Vermont.
Data Elements Exposed
According to the Vermont consumer notice, impacted data may include:
- Name
- Social Security number
- Financial account information
- Taxpayer identification number
Washington Trust’s Response
The Washington Trust Company, of Westerly (“Washington Trust”) reports it has:
- Notified the FDIC, Rhode Island Department of Business Regulation, and other regulators.
- Sent written notices to potentially affected consumers on December 15 2025.
- Offered 12 months of complimentary credit and identity monitoring through Cyberscout (a TransUnion company).
What Victims Can Do Now
Washington Trust urges customers to monitor financial statements and credit reports for unfamiliar activity. Impacted individuals should use the enrollment code in their letter to activate the free Cyberscout services as soon as possible.
Your Legal Options
Data breach victims may be entitled to statutory damages, reimbursement of out-of-pocket losses, and enhanced protective services. Complete our confidential evaluation to learn whether you qualify to join a Washington Trust data breach lawsuit.
Company Overview
Founded in 1800, Washington Trust is the nation’s oldest community bank, operating under parent company Washington Trust Bancorp, Inc.
- Headquarters: 23 Broad Street, Westerly, Rhode Island, United States
- Industry: Banking
- Employees: 618
- Ticker: NASDAQ: WASH
- Website: washtrust.com
- Social: LinkedIn | X/Twitter | Facebook | Instagram | YouTube
Frequently Asked Questions
I received a data breach letter from Washington Trust — what should I do?
Follow the instructions in the letter to enroll in the complimentary Cyberscout credit-monitoring service and closely review your banking and credit reports for unusual activity.
What information did the Washington Trust breach expose?
The notice states names, Social Security numbers, financial account information, and taxpayer identification numbers were present in the compromised files.
How many people were affected by the Washington Trust breach?
Washington Trust reported the incident to Massachusetts regulators for 288 impacted consumers; filings were also made in Maine and Vermont.
Did Washington Trust offer free credit monitoring?
Yes. The bank is offering 12 months of free credit and identity monitoring through Cyberscout, a TransUnion company.
How do I submit a claim related to the Washington Trust data breach?
Complete our secure evaluation form to see if you meet the criteria to join the ongoing Washington Trust data breach investigation and potential lawsuit.
How can I get the official breach notice PDF for Washington Trust?
You can download the publicly filed notice directly from the Maine Attorney General’s website via the button above.