WesBanco Data Breach Lawsuit Investigation

WesBanco customers recently learned that personal information held by an outside marketing vendor was exposed in a data security incident reported to the Massachusetts Attorney General on December 19, 2025. If you received a breach letter, you can explore your legal rights and potential compensation today—reach out for a free, private case review.

Incident Overview

Wesbanco, Inc. (WesBanco) engaged Marquis Software Solutions to provide digital and physical marketing services. Marquis identified unauthorized access to its own network, not WesBanco’s internal systems, potentially exposing certain customer records. The bank notified regulators and 353 Massachusetts residents whose information was stored by Marquis.

What Data Was Exposed?

The letter to affected individuals states the following data elements may have been accessed:

• First and last name
• Social Security number
• Financial account information

How WesBanco Responded

Marquis secured its network immediately and launched a comprehensive investigation. WesBanco and Marquis reported the event to law enforcement and regulators, and are offering impacted customers complimentary identity-protection services.

Free Identity Protection

Affected customers can enroll in a 24-month membership of Epiq Privacy Solutions ID, which monitors credit activity and assists with fraud resolution. Enrollment instructions are provided in each individual’s notification letter.

Steps You Can Take Now

WesBanco urges customers to:

• Enroll in the complimentary Epiq Privacy Solutions ID program.
• Review bank, credit-card and benefit statements for unauthorized activity.
• Obtain free annual credit reports at AnnualCreditReport.com.
• Consider placing a fraud alert or credit freeze with Equifax, Experian or TransUnion.
• Report any suspicious activity to your financial institution and local law enforcement.

Key Dates

• December 19, 2025 — Incident reported to Massachusetts Attorney General

Your Legal Options

Data-breach laws allow consumers to seek damages when personal information is compromised due to insufficient safeguards. Our investigation focuses on whether WesBanco and its vendor met their obligations under state and federal regulations.

Complete a free case evaluation to learn whether you may be eligible to join a WesBanco data-breach lawsuit or pursue individual claims.

Company Overview

• Website: wesbanco.com
• Headquarters: 1 Bank Plaza, Wheeling, West Virginia, United States
• Founded: 1870
• Industry: Banking
• Employees: 2,195
• Ticker: NASDAQ: WSBC
• Security Center: wesbanco.com/security
• Contact: wesbanco.com/contact
• Social: Facebook, LinkedIn, Instagram

Frequently Asked Questions

I received a data breach letter from WesBanco — what should I do?

Follow the enrollment instructions for your free Epiq Privacy Solutions ID membership, monitor accounts closely, and contact us to discuss legal options.

How do I submit a claim related to the WesBanco data breach?

Complete our brief case-evaluation form. An attorney will review your situation and explain potential compensation paths at no cost to you.

What information did the WesBanco breach expose?

Names, Social Security numbers and financial account details of 353 Massachusetts residents stored by vendor Marquis Software Solutions.

Did WesBanco offer credit monitoring?

Yes. Impacted individuals receive a complimentary 24-month Epiq Privacy Solutions ID membership.

How many people were affected by the WesBanco breach?

The company reported 353 affected customers to the Massachusetts Attorney General.

How can I get the official breach notice (PDF) for WesBanco?

You can download it directly here: MA Attorney General Notice (PDF).