Security First Bank is a financial institution that provides a variety of financial products and services to individual and business customers. It provides various deposit options that include savings, checking, business and individual retirement accounts and certificates of deposit. The services offered by the bank include financial counseling, wealth management, payroll deduction and notary services. It also provides overdraft protection. In addition, it offers a variety of online services that include access to account information, transfer of funds and 24-hour transaction services. The bank also offers loans for agriculture, home purchase, business and real estate. Located in Rapid City, S.D., it has offices in Martell, Merriman, Overton, Rushville, Sidney and Thedford, Neb.