Network Security means to secure the data and network from threats and unwanted and unauthorized intervention. Since, the world is getting indulged in advanced technology; there is an increase in the rate of cyber hacks.

The hackers keep on hacking and accessing user’s files, data and documents. In this way, many data of the organizations gets hacked or misused.

In order to protect the network of organizations and their data from thefts or any harm, threats or any kind of data exploit.

Network security also controls and helps to monitor any misuse of the data and it also helps in preventing the system from any unauthorized access.

It also protects from viruses and it ensures safe data sharing. It helps in preventing the companies from having any financial loss. It is very important to have network security.

The types of Network Security are:

1. Data Loss Prevention:

It is a type of system that helps to monitor and detects any possible violation or threats. It also helps to block them.

It also helps in alerting the user regarding any kind of suspicious activity.
It helps in preventing exposure of information to outside the organization.

It makes sure that the personal information of the company or the organization do not gets leaked and mishandled by any unidentified third-party.

2. Firewalls:

Firewalls help in preventing hackers from intervening. It controls all the activities that’s happens through network and especially those that are not trusted. It is one the best security provider against cyber threats.

It helps in protecting the system from any kind of internet threats.
It becomes a wall which remains between either two networks and also between devices.


  • It helps in monitoring traffic. It checks every activity that can be threat to the system and instantly blocks them.
  • It protects the system from Trojans. Trojans are very dangerous. Trojans keep on tracking all your activities on system which causes great threat.
  • It helps in keeping privacy of the user.
  • It prevents all sorts of hacking.


  • It is quite costly.
  • It took a lot of space. This reduces the performance of the system.

3. Antivirus and Anti-malware Software:

It is a kind of security system that helps in scanning, detecting and removing viruses from the system.

Whenever a new file is added, it quickly scans the file in the system and protects if it has any virus or malware. It runs in the background automatically and keeps on checking viruses.


. It helps in protecting the system from malwares and viruses.
. It also protects informations present in the system while using internet.
. It also ensures safe sharing of files.


. It slows down the system. It also use a large storage.
. It is not necessary that it will provide full security especially those software plans that are free.
. There are too many advertisements which hamper user experience.
. The scanning system is bit slow.

4. Email Security:

It involves protecting your email accounts from any unidentified access. The hackers always try to spread virus or malwares with the help of sending emails.

It leads in loss of information through emails. It results in great loss of the organizations.

Therefore it is very important for all to secure emails so that its content gets secured. The spread of virus or malwares gets stopped due to email security.

It involves protecting passwords and putting strong passwords. It also filters out the spam emails. Email security is very important to ensure protection of data of organizations.

It controls access of the system. It quickly helps in identifying any doubtful activities.

5. Web Security:

It involves protecting the system from doubtful websites. There are many websites which the hackers use to spread virus and to steal information from the system.

Web security ensures that whenever you visit any unauthorized sites it quickly detects it and therefore helps to prevent from visiting the site.

6. Network Segmentation:

It divides the network into many segments. This helps to administer each network segments. It helps in keeping the data at different places so that if one data from any location gets hacked or deleted due to virus then there will be data in other locations which can be restored easily. It helps in protecting the system from threats.

7. Network Access Control:

It helps to remove unidentified users from private network. It only allows trusted devices to use the network. It offers only limited access to the third party.

It helps to identify devices that are used in switch ports of network and it also helps to remove those devices which can cause harm.

It involves securing the network with the help of providing strong passwords, unique identity of the users.


. It helps in reducing threats and cyber crimes.
. It helps to increase the network visibility.

8. Application Security:

It is a kind of security which helps to add and develop various security features in various applications. It helps in detecting the virus or malwares that can enter through various applications.


. It helps in removing threats and harms that can cause through third party.
. It helps in such a way that personal and confidential information do not get leaked.

9. Endpoint Security:

It is to secure the end points and the entry points of devices of the users for instance laptops, computer and mobile phones. It secures these from unwanted and doubtful use.

It keeps on monitoring and always keeps on recording activities that are found at end points.
If any hackers attack the system, Endpoint security shows such hackers activities.

10. Virtual Private Network:

With the help of VPN, your system can be highly secured. It involves securing the system and the network through encrypted connection. This connection helps to transfer data or information that is sensitive very safely.

It helps the user to work without any hindrance. It also helps to access restricted websites without any hindrance.

It helps to keep personal information secure and away from hackers. It does this by covering your IP address thus provided encrypted connection.


  • It helps in securing internet connections.
  • There are many websites which may be not always available or restricted. But using VPN, Your IP address gets hidden so that one cannot track you. It will help you to visit such restricted websites.
  • It helps in having better game experience.
  • It also helps in protecting online identity.
  • Its price is quite affordable.
  • Using VPN, sharing files becomes very easy and secured.


  • It becomes very risky to use a free VPN.
  • It can slow down the internet connectivity.
  • It is quite difficult to configure it.

11. Multifactor Authentication:

It is a system which requires more than one authentication factor in order to have successful authentication. There are three factors that are required.

One is something that you have, the other one is one thing that you have and the last one is something that you are.

These factors involve providing passwords. It also requires to provide software or hardware token. The other factor involves retina scan or providing fingerprints.


  • It helps in securing data and confidential information’s.
  • It helps in protecting passwords.

12. Wireless Security:

It makes sure to protect wifi connections from any unidentified acts. It is very important to secure wireless connections since many threats can occur through these connections. Nowadays it has become very easy for the hackers to hack through wifi. Therefore it is very important to have wireless security.

13. Behavioral Analytics:

It helps in detecting those behaviors and activities that are not normal. It quickly helps to remove such activities thus protecting the system.

14. Intrusion Prevention System:

It is a network security which helps in scanning the networks. It keeps on monitoring the network and protects it from any kind of unauthorized or unidentified actions. It blocks all those activities.

Therefore network security is very much needed to remove and reduce harms, threats and risks that can be caused through network.

Frequently Asked Questions

What do you know about Network Security?

Network security means to keep the data, information of the users safe. It also helps to monitor and control and detect any kind of suspicious activities that can cause harm.

This ensures that data can be easily shared online without any difficulties.

What are network security types?

The types of network security are Virtual Private Network, Data Loss Prevention, Firewalls, network segmentation, Web security, Antivirus and Antimalware software, Endpoint security, Email security, behavioral analytics, wireless security, mobile security, network access control and many more.

Why there is need to secure network?

Nowadays people are getting more inclined towards advanced technologies. Thus, it results in increase in the number of hackers.

They keep on intervening and steal and uses personal information from the system. Therefore, it becomes very important to secure and protect personal information so that no unidentified user can access it. It helps to detect and remove those doubtful activities.

How to choose the right network security system?

It is very important to secure all your personal informations from suspicious activities. In order to choose the right network security system, you need to keep in mind that the security software must monitor, detects and also removes every activities that will be found unauthorized.

How does it secures network?

It secures network by eliminating suspicious sites or actions that can cause great harm to the system as well as to the informations and data of the user or the organizations.