This report provides a comprehensive review of the journal article "Security in Cloud Computing: Opportunities and Challenges" by Ali, Khan, and Vasilakos (2015). The review summarizes the paper's focus on the challenges and opportunities within cloud computing, emphasizing the importance of addressing security concerns. The paper identifies various security threats, including misconfigurations, data breaches, and malware attacks, while also discussing the potential of cloud computing to deliver cost-effective services. The review includes a critical analysis of the research methods, highlighting the use of qualitative research design and literature review. The key findings of the research are presented, emphasizing the risks associated with third-party servers and the lack of security. The report concludes with the reviewer's opinion on the article's relevance and value, making it a useful resource for students studying cloud computing security.