National Cybersecurity Center
Immediate Action Alert

Massive Data Breach Hits 74+ US Banks & Credit Unions – Is Yours On The List?


Marquis Software Solutions, a company providing services to banks and credit unions, experienced a security breach in August 2025, leading to unauthorized access to personal information of customers from over 74 financial institutions.

Who Is At Risk
Customers of the affected banks and credit unions are most at risk.

What To Watch For
Be alert for unusual activity in your bank accounts, such as unauthorized transactions or changes to your personal information.

What to Do
Monitor your bank statements closely and report any suspicious activity to your bank immediately.

Banks and Credit Unions Affected:

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 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

Alert Domain
Money

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