This report delves into the application of Information and Communication Technology (ICT) within the banking industry, focusing on the integration of cloud technologies and enterprise mainframes to enhance service delivery. The report begins by outlining core banking services such as account transactions, loans, and money transfers, while also addressing the importance of security and privacy measures. It then identifies various ICT workload types crucial for banking operations, including batch, transactional, and analytical workloads. Furthermore, the report highlights the benefits of cloud technologies, such as cost-effectiveness, data analysis capabilities, and scalability, and their relationship with different ICT workload types. It also explores the continued use of mainframes in major banks, emphasizing their reliability, robustness, and analytical speed. Finally, the report concludes by summarizing the key findings and emphasizing the role of ICT, cloud computing, and mainframes in modern banking practices, supported by references to academic sources.