Nothing is changing the face of modern banking more rapidly than developments in information technology. The application of IT to the financial services industry affects every aspect of the business from employees, training, management and customers to data processing and information security. This is designed for non-specialists and it will enable them to appreciate how the development of IT is an on-going revolution in the financial services sector. The scope is wide, dealing with the strategic issues of business planning and the impact of IT at every level. However, the general themes are skilfully brought together to reveal how databases, networks and security functions operate on a departmental levels and within a bank as a whole.