This assignment examines the crucial role of IT systems in contemporary business operations. It highlights how IT systems address challenges associated with manual record-keeping and emphasizes the importance of electronic models for efficient data management. The document delves into the use of data warehouses for secure data storage and explores methods like firewalls and Intrusion Detection Systems (IDS) to mitigate cyberattacks. Additionally, it discusses cloud-based backup solutions as a cost-effective and secure alternative. Finally, the assignment references relevant books, journals, and online sources to support its arguments.