DisclosureLens
HackingFinancial ServicesFinanceStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

The Washington Trust Company, of Westerly

bd_2f4c9b5c9d42f095 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Oct 27, 2025

Filed

Dec 15, 2025

To disclose

—

Affected

1state residents only

Linked

4 filings

Confidence

66%
Full breach record for The Washington Trust Company, of Westerly →3 incidents on file

The Washington Trust Company of Westerly notified Nebraska AG of a breach involving third-party vendor Marquis Software Solutions. Unauthorized access to customer data (names, DOB, SSN, financial accounts) occurred starting August 14, 2025, and was discovered on October 27, 2025. Approximately 4,882 individuals, including 1 Nebraska resident, were affected. Notices were sent December 15, 2025, offering 12 months of credit monitoring.

Incident timeline

undetected · 74 days

Aug 14, 2025

Begins

Oct 27, 2025

Discovered

Dec 15, 2025

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
New Hampshire State AGDec 15 · first
Massachusetts State AGDec 15 · first
Maine State AGDec 15 · first
Nebraska State AGDec 15 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.