Author(s): Dr. Ramalingam Sugumar, K.Raja

Cloud computing is an Internet-based computing model which provides several resources through Cloud Service Providers to Cloud Users on-demand basis without buying the underlying infrastructure and follows pay-per-use basis. Cloud computing usage has increased rapidly in many companies. Cloud computing is the well-known technology for scaling of extensive data and complex computation. Cloud computing offers many benefits in terms of low cost and accessibility of data. Data security is the major issue in cloud computing. This paper covers various security algorithms related to cloud computing and shows a comparative study on data security algorithms.