The heightend use of sensors across the business spectrum and extensive use of social media results in an enormous amount of unstructured and considerably less amount if structured data. The huge volume of unstructured data with unprecedented speed along multiple formats results in the extensive use of big data by organizations. Big data plays a key role in supplying the useful data to data analytics and artificial intelligence programs to infer fact-based intelligence decisions to companies. This course explains Hadoop's big data platform in detail, big data working principle, various tools used in the Hadoop platform. Loding the data into Hadoop, handling the data, and securing the expected outcome procedures are covered in this module.