Network Security is an interesting specialization where you learn about protecting a computer network infrastructure by exploring on the various concepts in Networking; these areas are handled by the Specialists in the Networking domain who implement the security policies, network software and hardware.
As there is a drastic increase in the number of people becoming online, there is also an increase in the number of people taking an effort to understand the basics of networking. Overall, you will get an insight about risk management, sophisticated Internet threats, Hacker attacks, Data/Identity theft and learn the different techniques involved to secure the networking devices.
Network security is very important while setting up a network in an Organization so that the privacy is maintained and confidential information will be secured against business interruptions, which in-turn helps to maintain the productivity of the employees. Network/System administrator ensures that the employees have necessary access to the network and assets to work on the assignments. Eventually, network security helps protect a business's reputation, which is one of its most important assets.
An effective Network emerges when the Specialists focus on a wide range of threats and prevent the malicious codes from attacking the network. Following are a few techniques that are adapted by the Specialists to protect the network:
1. Installing softwares for Anti-virus, Advanced threat management and Anti-spyware
2. Creating and managing Firewallto block unlicensed access to the network
3. Connect the secured network through Virtual Private Networks (VPNs)