<prompt> Translate the following text to SwahiliPrior to the reorganization, a central security group of about four individuals concentrated on mainframe security administration and had little interaction with the rest of the company.  <response>: Kabla ya marekebisho, kikundi cha usalama cha kati cha watu wanne walizingatia usimamizi wa usalama wa mainframe na walikuwa na mwingiliano mdogo na kampuni nyingine. 