Walrus
“Can out-of-band authentication become the default trust layer for high-value push payments before they leave the sender's bank?”
Founded2016
HQNew York, NY, United States
Total raised$4.5M
IndustryInfrastructure / Payments
The story
Walrus Security is a New York-based fraud prevention infrastructure company focused on authenticating push payments (wires, ACH, stock distributions). Its flagship product DoubleCheck is an out-of-band payment instruction authentication platform used by funds, fund admins, family offices, and corporates to prevent business email compromise and vendor impersonation fraud. The company is a Nacha Preferred Partner for account validation and fraud prevention.
Last 12 months
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Product timeline
2016
Walrus Security, Inc. founded in New York to combat payment fraud and business email compromise.· pivot
2022
Filed patent for multifactor authentication of secure transmission of data (later granted US 12294577).· pivot
2025
Granted US Patent 12294577 for the DoubleCheck multifactor authentication technology.· pivot
The stack
1 layer disclosed in Walrus’s embedded-finance stack
Money movement
Accounting gap: none