For PC users, alliances, and the military, network security has become more imperative. Security has become a major concern with the appearance of the web and the historical context of security allows for a superior understanding of the growth of security innovation. The internet infrastructure itself considered that there were multiple safety hazards. When updated, the architecture of the site will reduce the possible assaults that can be sent around the company. The required protection to be improved is taken into account by understanding the attack techniques. Numerous organizations use firewall techniques and encryption software to protect themselves from the internet. To remain connected to the internet, the companies create an "intranet" but have ensured that future risks are involved. The entire area of protection for organizations is enormous and in a stage of growth. The scope of the analysis involves a brief history going back to the origins of the web and the recent change in network security. Foundation information on the network, its vulnerabilities, and assault techniques through the network to understand the analysis being carried out today, and security advancement is necessary and they are inspected in this way.