Assistant Professor Sri Guru Granth Sahib World University

Cloud Computing refers to the delivery of computing resources over the web. Computing resources are shared rather than having personal devices to handle applications. Information is accessed simply at anywhere, anyhow by connecting our device with web. Cloud Computing is predicated on web services used for storing, transferring and lots of alternative operations associated with information. Security is the major issue in cloud computing. The different algorithms have been proposed to provide security to critical data. This paper gives a brief introduction to some existing security algorithms in Cloud Computing