India Network security has grown in significance users of personal computers, businesses, and the armed forces. Security became a serious worry with the introduction of the internet, and the development of security technologies can be better understood by looking at security history. As private clouds have grown in popularity, more businesses are concentrating on how to safeguard their network security. Information security must be included into the infrastructure itself as part of the security system. This paper focuses on a variety of security issues related to cloud computing, examines some of the major research challenges in cloud security, offers solutions for securing the dynamic cloud environment, and provides a practical solution to avoid the challenges that cloud suppliers and buyers encounter. The fundamental network security scenario, big data security, and the private cloud network security situation are also discussed in this article. It also analyses the pertinent assessment indexes and goes into more detail regarding the private cloud network. With the advent of the internet, security became a major concern. The internet structure itself allowed for many security threats to occur. Network security is becoming of great importance because of intellectual property that can be easily acquired through the internet.

Network security, Access control, Cloud security, Cyber security