This report delves into the realm of big data privacy, commencing with an introduction to big data and its defining characteristics, including volume, variety, and velocity. It underscores the significance of big data in predictive analytics and its role in addressing business complexities. The report elucidates the importance of big data privacy, particularly concerning data from diverse sources such as customer databases and social networks. It highlights the benefits of big data, such as time effectiveness, product development, market understanding, and improved data management. Furthermore, it identifies key issues confronting big data privacy, including security concerns, technological challenges, and problems associated with big data value. The conclusion emphasizes the need for effective management of big data and its privacy to safeguard data confidentiality and enhance decision-making processes. Recommendations are provided, including implementing machine learning technology, avoiding software dependency, and involving data analysts to mitigate privacy issues. The report references several key academic sources to support its arguments and findings.