With the proliferation of data analytics initiatives by various governments, businesses and social media platforms, it becomes paramount to understand the fundamentals of Big Data Analytics and its applications to the banking sector. Big Data is not just about extracting and storing data but consists of many technologies and processes working hand-in-hand to derive useful information and actionable insights from huge volumes of data. As data is being created, collected and stored faster than ever, it is important for bankers to have a foundational understanding of such technologies, including use cases that can be applied to benefit the banking sector.