This report provides a comprehensive overview of cloud computing, examining its various types and services. It begins by defining cloud computing and cloud storage, then delves into different cloud models including public, private, hybrid, and community clouds. The report further explores cloud computing services such as Platform as a Service (PaaS), Infrastructure as a Service (IaaS), and Software as a Service (SaaS), highlighting their distinct functionalities and applications. A significant portion of the report is dedicated to differentiating between security and privacy in the context of cloud computing, emphasizing the importance of maintaining data integrity and protecting against unauthorized access. It discusses various security measures, including strong passwords, data encryption, and DLP strategies, to ensure data protection. The report concludes by summarizing the key aspects of cloud computing and its role in modern business operations, while also referencing a collection of books, journals, and online resources.