Why do you need my Social Security Number (SSN)? April 17, 2020 17:43 Updated Follow All financial institutions are required by federal law to collect a customer’s SSN to verify identity when opening an account. We have strong privacy practices that secure your personal information. Our full privacy notice can be found here. Related articles How do I delete my SoFi account? How do you verify identity? Why am I unable to open a SoFi Money cash management account? Why do you have to verify identity? What do I have to provide to create an account?