Marquis Software Solutions Under Investigation for Data Breach of Over 780,000 Financial Records
Schubert Jonckheer & Kolbe LLP is investigating a data breach that led to unauthorized access to the sensitive information of 788,000 customers of banks and credit unions that contract with Marquis Software Solutions (“Marquis”). Marquis is a Texas-based financial services provider that provides data analytics, CRM tools, compliance reporting, and digital marketing services to mortgage lenders, banks, and credit unions.
On August 14, 2025, Marquis experienced a ransomware attack. An unauthorized third party gained access to Marquis’ network through its SonicWall firewall. This data breach impacted the following 74 banks and credit unions, which are current and former customers of Marquis:
1st Northern California Credit Union
Abbott Laboratories Employees Credit Union
Advantage Federal Credit Union
Agriculture Federal Credit Union
Alltrust Credit Union
BayFirst National Bank
Bellwether Community Credit Union
C&N Bank
Cape Cod Five
Capital City Bank Group
Central Virginia Federal Credit Union
Clark County Credit Union
Community 1st Credit Union
Community Bancshares of Mississippi, Inc.
Cornerstone Community Financial Credit Union
CPM Federal Credit Union
CSE Federal Credit Union
CU Hawaii Federal Credit Union d/b/a Community Bank
Discovery Federal Credit Union
Earthmover Credit Union
Educators Credit Union
Energy Capital Credit Union
Fidelity Cooperative Bank
First Community Credit Union
First Northern Bank of Dixon
Florida Credit Union
Fort Community Credit Union
Founders Federal Credit Union
Freedom of Maryland Federal Credit Union
Gateway First Bank
Generations Federal Credit Union
Gesa Credit Union
Glendale Federal Credit Union
Hope Federal Credit Union
IBERIABANK n/k/a First Horizon Bank
Industrial Federal Credit Union
Interior Federal Credit Union
Interra Credit Union
Jonestown Bank & Trust Co.
Kemba Financial Credit Union
Liberty First Credit Union
Maine State Credit Union
Market USA FCU
MemberSource Credit Union
Michigan First Credit Union
MIT Federal Credit Union
New Orleans Firemen's Federal Credit Union
New Peoples Bank
Newburyport Five Cents Savings Bank
NIH Federal Credit Union
Pasadena Federal Credit Union
Pathways Financial Credit Union
Peake Federal Credit Union
Pelican Credit Union
Pentucket Bank
PFCU Credit Union
QNB Bank
Security Credit Union
Seneca Savings
ServU Credit Union
StonehamBank Cooperative
Suncoast Credit Union
Texoma Community Credit Union
Thomaston Savings Bank
Time Bank
TowneBank
Ulster Savings Bank
University Credit Union
Valley Strong Credit Union
Westerra Credit Union
Whitefish Credit Union
Zing Credit Union
Although the breach occurred in August 2025, Marquis did not notify impacted individuals until on or around December 3, 2025, which may have violated state and federal laws. The following information may have been compromised in the breach: names, addresses, phone numbers, Social Security numbers, Taxpayer Identification Numbers, financial account information without security or access codes, and dates of birth.
If your personal information was impacted by this incident, you may be at risk of identity theft and other serious violations of your privacy. As a result, you may be entitled to money damages and an injunction requiring changes to Marquis’s cybersecurity practices.
If you received notification of this data breach or are affiliated with Marquis or the above-listed credit unions and wish to obtain additional information about your legal rights, please fill out the form below.
