Technology has brought about a paradigm shift in banking operations. Customers now-a-days do not bank with a branch but with a bank. Bankers, therefore, need to know about both hardware and software applications. Towards this end, the book on “Information Technology & Digital Banking�, not only walks the readers through various aspects related to IT Security and Applications but also details the aspects related to Digital Banking and Emerging Technologies. This book is the courseware for the CAIIB elective subject on “Information Technology & Digital Banking�. The contents of the book have been structured into four modules, as follows: Module A: Introduction to Information Technology Module B: Systems and Design Module C: Banking Technology Applications and Digital Banking Module D: Information System Security, Controls and Audit