This report explores the critical role of information systems in big data analysis, highlighting its importance for strategic operations and understanding consumer trends. It discusses market-leading IT solutions like McAfee and MS Office, detailing their features and benefits. The report also explains various information systems such as DSS, ESS, TPS, MIS, and KSM, providing relevant examples of their applications. Furthermore, it examines the impact of globalization on IT and defines digital infrastructure, focusing on cloud computing's advantages and disadvantages. The risks associated with IT outsourcing and the criticality of IT infrastructure in digital transformation are also addressed, providing a comprehensive overview of the subject matter. Desklib provides access to this report and many other resources to support students in their studies.