The Security Federal Bank All Credit Levels is a cdfi lender from Security Federal Bank. Rewards: Security Federal Bank offers financial counseling services at no cost, aimed at enhancing financial literacy for all community members.. Security Federal Bank, located in Aiken, SC, is a Community Development Financial Institution (CDFI) that provides a range of financial services aimed at improving the economic well-being of its community. The bank serves individuals and small businesses, focusing on financial literacy and community support. Services include: business loans, personal loans, mortgages, auto loans. US Treasury certified CDFI Bank/Thrift in Aiken, SC.