IoT can be defined as  ‘An omnipresent network capable of monitoring as well as controlling physical parameters through collection, processing and eventual analysis of data being produced by sensors or smart objects’. The course gives an overview of the IoT architectural growth and also attempts to highlight the allied protocols along with security measures. The course provides a formidable framework for managing IoT security. Since its emergence, IoT has been spreading fast. Nowadays, most of the enterprises are IoT-enabled, including healthcare, automobile industry, heavy machineries industry, and so on.