Cloud computing is a kind of computing in which services and storage is provided over the Internet. It uses distant servers for data storage and management and has gained popularity in recent times. Amidst the enormous benefits of cloud computing, there are various security concerns for putting sensitive data over the cloud. Our paper aims to provide a comprehensive review on the emerging popularity of the cloud based web services and to highlight the security vulnerabilities that the applications are exposed to in the cloud. It emphasizes on implementing smart security by integrating security in from the very beginning of...