This report provides an overview of information systems and their role in big data analysis. It begins with a brief history of big data, defining it as a combination of structured and unstructured data too complex for traditional methods. The report outlines the challenges of big data analytics, including a lack of skilled professionals, understanding massive data, data growth issues, tool determination, data integration, security, and organizational resistance. Key characteristics of big data, such as volume, variety, velocity, veracity, and value, are discussed. Furthermore, the report explores techniques available for big data analysis, including A/B testing, Monte Carlo simulation, machine learning, associate rule learning, regression analysis, and social network analysis. Finally, it highlights how big data technology can support businesses by enabling better decisions, understanding customers, delivering smart services, generating income, and improving operations. The report references academic sources to support its findings.