Security issues in cloud computing

Cloud computing is a paradigm shift which involves very important role in the academic, industry and business. It provides on demand use of third party infrastructure as per requirement on payment basis. It offers scalable and virtualized resources, software and hardware on demand to consumers. The protection of outsource data in cloud during the transmission and at rest is very challengeable. This paper discusses various security issues/challenges involved in the transmission and  storage of data in the cloud computing