Network security must be emphasized in order to secure critical digital assets, particularly given the current economic downturn. Cyberattackers should never gain access to sensitive data, especially as more firms rely on networked systems and cloud services. Network security  safety measures use a variety of protocols, tools, and procedures to ensure the accuracy, usefulness, and privacy of data on the network. This article delves into the complex subject of network security by highlighting major technological advances over the last decade, as well as their implications and fundamental concepts.