Top Network Security Best Practices to Implement Today

Top Network Security Best Practices to Implement Today

Network security refers to the protection of the network and data in order to preserve the integrity, confidentiality, and accessibility of computer systems within the network. It encompasses a variety of technologies, devices, and processes and can use both software-based and hardware-based technology.

No matter the industry or size of their infrastructure, every organization needs comprehensive network security options to protect them from cyber threats.

Layers of network security

Layers of protection are essential when discussing network security

Physical network security

Physical network security controls are designed to prevent unauthorized individuals from having physical access to the office or network devices such as routers and firewalls. These issues can be addressed with physical locks, ID verification, and biometric authentication.

Technical network security

The network devices and data in transit are covered by technical security controls. Technical security must also protect data and systems against unauthorized personnel as well as malicious activities by employees.

Administrative network security

Administrative security controls cover security policies and compliance processes that govern user behavior. It includes user authentication, their privilege levels, and the implementation of changes to existing infrastructure.

Also read: What are the Challenges of Network Security Management

Best practices in network security

We now have an overview and a basic understanding of network security. Let’s get to the best practices for network security.

1. Perform a network audit

The first step is to conduct a thorough audit to secure a network. This will identify and assess any weaknesses in the network design and posture. A network audit is a process that identifies and evaluates:

  • Security vulnerabilities
  • Unused or unnecessary applications
  • Open ports
  • Anti-virus or anti-malware and malicious traffic detection software
  • Backups

To identify security gaps, it is a good idea to conduct third-party vendor assessments.

2. Install security and network devices

All organizations should have a firewall or a web application firewall (WAF) to protect their website from web-based attacks. This will also help ensure that their data is safe. To ensure maximum security and to monitor traffic, Additional systems such as intrusion detection/prevention (IDS/IPS systems) and security information and event management (SIEM systems) should be used.

3. Disable file-sharing features

Although file sharing may sound like a great way to exchange files, it is best to only allow file sharing on a handful of private and independent servers. All employees should disable file sharing.

4. Update antivirus and anti-malware software

Companies purchase laptops and desktop computers with the most recent version of anti-malware and antivirus software, but neglect to update it with new rules. You can ensure that your antivirus and antimalware software are current.

5. Protect your routers

The reset button on the router can be used to quickly undo a security breach or other security event. It is important to move routers to a safer location, such as a closet or locked room. You can also install CCTV and video surveillance equipment in the server room. The router should also be set up to change default passwords or network names. This is something that attackers could easily find online.

Also read: How to Secure Your Business Wi-Fi Network

6. Use a private IP Address

Private IP addresses should be given to users and devices in order to prevent unauthorized access to network servers and devices. This allows the IT administrator to quickly tap on any suspicious activity by users and devices connecting to your network.

7. Set up a network security maintenance program

It is important to establish a network security maintenance program that includes processes like:

  • Perform regular backups
  • Software updates
  • Changes in network names or passwords are scheduled

Document the network security maintenance plan and distribute it to your team.

8. Network segmentation and segregation

The network can be divided into trust zones to keep it isolated from security incidents. This reduces the risk of network intrusions.

9. Create a security-centered culture

This includes training and educating staff about network security. They will be better able to understand the consequences of network security and how they can help protect corporate networks and other security issues.

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