Security State Bank (SSB) Mobile App from Sutherland/Paullina, IA allows you to access your account anywhere at any time. Manage your accounts with: Checking your Balances, Transferring Funds, Loan Payments, Mobile Deposits, and much more! Your SSB App Access is available free of charge to our online banking users; online banking is required. Your mobile carrier’s text messaging and web access charges may apply.