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Data Breach Law Group Investigates the Washington Trust Company of Westerly and Marquis Software Solutions Data Breach

By Data Breach Law Group | Posted on December 15, 2025 · New Hampshire

Miami, FL — Data Breach Law Group is investigating a data breach involving Washington Trust Company of Westerly and Marquis Software Solutions, reported to the New Hampshire Attorney General on December 15, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.

Washington Trust Company of Westerly is a long-standing financial institution, while Marquis Software Solutions appears to be a third-party technology vendor providing software services to the financial sector. As entities operating within the financial services industry, these organizations typically collect and store highly sensitive personal and financial information to manage accounts, process transactions, and verify client identities. This data breach was officially reported to the New Hampshire Attorney General in 2025, triggering a formal notification process for impacted individuals. If you received a data breach notification letter, it indicates that your personal information held by these entities may have been compromised. This notice serves to inform you of the incident and provides guidance on the steps you should take to protect your financial identity and security.

If you were affected

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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This page is attorney advertising and is for general informational purposes only. It is not legal advice, and contacting Data Breach Law Group does not create an attorney-client relationship. Case details are drawn from publicly reported breach notifications and may be updated as more information becomes available. Prior results do not guarantee a similar outcome.