Cloud computing offers the vision of a virtually infinite pool of computing, storage and networking resources where application can be scalable and deployed. The security threats on cloud increases rapidly. The threat starts from login module to the core storage. In this project different levels of threat is handled efficiently, which enables the secured data communications between the server and client. The login is authenticated using Open Authentication Protocol (OAuth) 2.0 with enhanced security mechanism. The data theft and other masquerading attacks are prevented using channel API (Application based Program Interface) which sends the data in a secured channel establish among the sender and the receiver using MD5 (Message-Digest) Hashing. This is demonstrated by building a cloud based chat application which transfers the data from server to client and vice versa. It includes voice, non-voice and video chat communication. The Video Chat is demonstrated using WebRTC (Web Real-Time Communication).WebRTC provides page to page communication among HTML. Hence this project covers the prevention mechanism for several threats in cloud using different techniques.
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