IT pervades every aspect of our lives and is assuming an ever greater in the arena of business and management. Throughout the world what we do and how we do it have been revolutionised by computers. With traditional areas of business being redefined, Information Technology and Systems (IT/S) has become the most potent productive force and primary source of competitive advantage. The IEBM Handbook of Information Technology in Business provides a comprehensive and informative guide on the impact of IT/S on management behaviour and practice. The major advances of IT/S are covered, including such subjects as mass customisation, extranets and intranets, e-commerce, smart cards, disaster recovery and system vulnerability. The handbook focuses on data, information, knowledge and related technologies in business to provide students, managers and consultants with a useful and applicable reference to the vast and rapidly growing area of IT/S.