This report examines the role of the Internet of Things (IoT) in modern communication systems, highlighting the increasing adoption of IoT devices and their impact on data transmission. It emphasizes the significance of big data and cloud computing in managing and processing the vast amounts of data generated by IoT devices. The report also addresses the critical security challenges associated with IoT, including data breaches and denial-of-service attacks, and explores various security measures such as firewalls, pattern recognition, and encryption. It reviews existing literature on IoT and big data, discussing the advantages and disadvantages of these technologies, and identifies key components of IoT systems, including sensors, routers, and cloud computing. Furthermore, the report outlines various applications of IoT in areas such as smart homes, connected cars, and industrial internet, concluding that while IoT offers numerous benefits, robust security measures are essential to mitigate potential risks. Desklib offers a range of solved assignments and past papers for students.