This report discusses the role of Information Technology (IT) in the success of business organisations, with a focus on HSBC. It explores how IT facilitates communication with customers, aids in decision making, and supports promotion and advertising. The report also addresses social and ethical issues related to IT, such as privacy and hacking, and analyzes different networking technologies used by HSBC. Additionally, it highlights the importance of internet and intranet in business operations and discusses the stages of the system development life cycle.