The popularity of cloud computing has increased according to current trends and technological advancements. On-demand services are provided through cloud computing. Instead of using a server from a (LAN) Local Area Network or a single computer, cloud computing makes use of complex distant network sites and servers that are connected to the internet for data storage, management, and processing. Because of benefits including powerful computing, affordable services, high performance, scalability, dependability, accessibility, and availability, cloud computing is now a highly sought-after service. This review of the literature examines cloud data performance, security concerns, and environmental constraints. This poll offers information on current cloud concerns and issues.