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Network Security Guidelines

Last updated: Apr 18, 2022

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Figure 1: Illustration of someone typing code to secure the system being built. Such protection is needed to prevent unwanted events such as data theft or even system destruction through the network. Find an in-depth discussion of network security in the following guideline

Every year, attacks on cyber networks have resulted in the loss of critical data costing millions of companies a fortune. The 2017 Travelers Risk Index shows that many companies are concerned about network security and cyber risks. An aggressive and comprehensive protection strategy can help you avoid external attacks and maintain network security more effectively.

Creating layers of protection or “deep defences” can help improve a sound network security strategy. This approach uses multiple devices, products, and procedures instead of relying on a single method to maintain network security.
 

10 Steps of Network Security Guideline:

1. Assign Clear Administrator Privileges

An important first step in providing security for your network is to create and enforce administrator privileges, manage who is authorized to install software and change system configuration settings.

2. Pay Attention to the Security of Your Private Network

Many intranet or private networks consist of multiple local area networks (LANs) designed to connect your computer to other devices, such as printers, servers, and other applications. Track departmental business activities from users' computers to the physical servers that host their data. Your network design should provide users with access to whatever information they need to do their jobs, without allowing them to access other non-work-related information.

3. Secure Endpoints by Configuring Demilitarized Zone (DMZ)

In network security, endpoint security is the protection of private networks as well as public networks. Common devices used at these endpoints connect to public networks including mail servers for sending and receiving email, web servers for hosting websites, and proxy servers for handling requests from clients seeking resources.

A common security configuration to protect these endpoints is the Demilitarized Zone (DMZ). A DMZ is a computer network with firewalls and other prevention systems that is entered as a “neutral zone” between a company's private network and the outside public network. All incoming and outgoing communications pass through firewalls, intrusion detection and prevention systems before entering the private network.

4. Network Monitoring

You and your cyber security provider should implement a network logging and monitoring strategy. It allows the company to monitor improper data transfers and unauthorized attempts to access your private network. The detection system should provide appropriate alerts to the responsible party and provide scheduled reports.

5. Upgrade the Firewall

A firewall is the most basic network security solution. Firewalls only allow valid traffic to enter and leave the private computer network. In addition to using a firewall to protect your private network from the Internet, a firewall installed in your private network can be used to divide the network into unique security domains that support increased layers of defense.

6. Establish an Intrusion Detection and Prevention System

Intrusion detection systems (IDS) and intrusion prevention systems (IPS) can work with firewalls to analyze traffic to detect hazards. The IDS product will warn you about invalid traffic, while the IPS will block it.

7. Protect Remote Access

If your employees are allowed to access your private network from a remote network, this access should only be through the firewall protecting your private network. Another option is to take advantage of a Virtual Private Network (VPN) which uses encryption and multi-factor authentication to provide stronger security.

8. Separate Guests/Visitors on Wireless Local Area Network (WLAN)

If your company operates a wireless local area network (WLAN) for customers, guests, and visitors, make sure this network remains separate from the company's main network.

9. Use an Encryption Program

When it is used properly, encryption technology can prevent files, directories, or disks from falling into unauthorized hands.

10. Implement a Business Continuity Plan / Post-Disaster Recovery

Once you are done mapping and securing your network, inspect any critical equipment or systems and evaluate the potential business impact of failure.


Companies must prepare for the unexpected thing by establishing a comprehensive Business Continuity and Post-Disaster Recovery Plan. Follow other SEO guidelines that you can apply to improve the quality of the web.


 

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