<b>Security Concerns in Cloud Computing</b> Cloud computing is a revolutionary way of storing and accessing data with five essential characteristics, three service models, and four deployment models. Businesses have realized the tremendous potentiality and benefits of cloud computing and have accepted the technology, but still a small amount of scepticism hovers around. In defiance of its potential characteristics, the organizations risk their sensitive data by storing it in the cloud. In this paper, we have identified various privacy and security challenges associated with the novelty of cloud computing. The security and privacy challenge listed in this paper perceives demand for implementation of sophisticated technologies to deal with them. Cloud Computing Security, Network security, and Distributed Networks Security 2296-2301 Issue-5 Volume-2 Gopal K. Shyam | Mir Abdul Samim Ansari