KT Corporation is a telecommunications service provider. The Company's segments include the Customer/Marketing Group, the Finance Business Group and the Others Group. The Customer/Marketing Group segment is engaged in providing various telecommunication services to individual/home/corporate customers and the convergence business. The Finance Business Group segment is engaged in providing various financial services, such as credit card. The Others Group segment includes security services, satellite service, information technology and network services, and satellite television services, as well as global business services, which provide global network services to multinational or domestic corporate customers and telecommunications companies. The Company's principal services include mobile voice and data telecommunications services; fixed-line services; credit card processing and other financial services, and various other services.