Top Network Security Best Practices Revealed

Tom Conway

Top Network Security Best Practices Revealed
Tom Conway

In today’s digital age, network security has become an essential aspect of protecting businesses and individuals from cyber threats. With the increasing sophistication of hackers and the ever-evolving threat landscape, it is crucial to stay informed about the best practices for safeguarding network infrastructure.

This article will delve into the top network security best practices that will help organizations and individuals fortify their networks against cyber threats. From understanding the OSI model to knowing the different types of network devices, we will explore fundamental concepts that lay the foundation for a secure network.

We will also discuss the importance of network security and how it can protect businesses from potential data breaches and unauthorized access. By adopting a cybersecurity mindset and following the recommendations mentioned in the 2021 Security Report, organizations can enhance their network security posture.

Lastly, we will focus on protecting home networks, as they are increasingly targeted by cybercriminals. By implementing recommended practices for device security and securing the wireless network, individuals can safeguard their personal information and enjoy a secure online experience.

Whether you are a business owner looking to protect your network infrastructure or an individual concerned about securing your home network, this article will provide valuable insights and best practices to keep your network safe.

Importance of Network Security

In today’s ever-evolving cyber threat landscape, businesses, both large and small, must prioritize network security. Cybercriminals are opportunistic and constantly exploit vulnerabilities in virtual private networks (VPNs) and use phishing attacks to compromise networks.

The 2021 Security Report emphasizes the crucial need for organizations to adopt a cybersecurity mindset. It provides five simple recommendations for improving network security:

  1. Change Security Settings to Prevent: Regularly review and update security settings on all network devices to stay ahead of emerging threats.
  2. Secure All Network Devices: Implement robust security measures on all network devices, including firewalls, intrusion detection and prevention systems, and antivirus software.
  3. Consolidate Security for Better Visibility: Streamline and centralize network security management for better visibility and control over potential threats.
  4. Implement the Zero Trust Model: Embrace the zero trust model, which assumes that no user or device, even if authenticated, can be trusted unless continuously verified.
  5. Leverage Threat Intelligence for Defense: Stay informed about the latest cyber threats and security trends by leveraging threat intelligence feeds and integrating them into your network security infrastructure.

Implementing these best practices and adopting a cybersecurity mindset are essential to protect networks against the ever-present and evolving cyber threats. Here are the top five network security best practices:

  1. Segment the Network: Divide the network into separate segments or zones to limit the potential damage of a compromise.
  2. Implement the Zero Trust Model: Extend the zero trust model beyond user access to all network traffic and communication, treating each request as potentially malicious.
  3. Secure IoT Devices: Apply robust security measures to Internet of Things (IoT) devices, which are increasingly targeted by cybercriminals.
  4. Enable Appropriate Security Measures: Deploy and regularly update firewalls, network access control (NAC) systems, and other security solutions tailored to your organization’s needs.
  5. Make Network Security a Continuous Process: Network security should be an ongoing effort, constantly assessing and improving security measures rather than a one-time solution.

Protecting Your Home Network

Securing your home network is essential to ensure the safety of your electronic devices and protect your personal information from cyber threats. By following recommended best practices for device security, wireless network segmentation, and implementing strong security measures, you can create a secure home network environment.

Start by securing your electronic devices, such as computers, laptops, printers, mobile phones, and IoT devices. Keep their operating systems up-to-date and upgrade them regularly to patch any vulnerabilities. Additionally, secure your routing devices and implement the latest Wi-Fi security protocols like WPA3 or WPA2 on your wireless network. Wireless network segmentation can provide an extra layer of security by dividing your network into separate zones.

Ensuring device security alone is not enough. You should also take steps to secure your home network itself. Protect your passwords and avoid using default or easily guessable ones. Limit the use of the administrator account and create separate user accounts with limited privileges. Safeguard against eavesdropping and exercise secure user habits, such as avoiding insecure websites and downloading files from trusted sources only. Limit administration access to your internal network, schedule regular device reboots, and maintain confidentiality during telework to prevent unauthorized access.

Remember, home networks can be targeted by cybercriminals seeking access to personal and confidential information. By implementing these recommended security practices, you can protect your home network, your family’s privacy, and even your work from potential cyber threats.


What is the OSI model and why is it important for network communication?

The OSI model, developed by the International Standards Organization (ISO), consists of seven functional layers that provide the basis for communication among computers over networks. Understanding this model helps in building a strong network, troubleshooting problems, developing effective applications, and evaluating third-party products.

What are the different types of network devices and their roles?

Hubs, switches, routers, bridges, gateways, and other network devices play different roles in building a secure network. Knowing the purpose and functionality of these devices is essential for network protection.

What are some common network defenses against cyber threats?

Firewall, intrusion detection system (IDS), intrusion prevention system (IPS), network access control (NAC), web filters, proxy servers, anti-DDoS devices, load balancers, and spam filters are common network defenses that help protect against cyber threats.

What is network segmentation and why is it important for security?

Network segmentation involves dividing the network into logical or functional units called zones. This helps in limiting the potential damage of a compromise and provides an extra layer of security.

What are the different types of network segments?

Public, semi-private, private, and demilitarized zone (DMZ) are different types of network segments that organizations can implement based on their security needs.

Why is network security important for businesses?

Businesses, large and small, need to prioritize network security in today’s cyber threat landscape. Threat actors are opportunistic and often target vulnerabilities in VPNs and employ phishing attacks to compromise networks.

What are the recommendations from the 2021 Security Report?

The report emphasizes the need to adopt a cybersecurity mindset and provides five simple recommendations for improving network security, including changing security settings to prevent, securing all network devices, consolidating security for better visibility, implementing the zero trust model, and leveraging threat intelligence for defense.

What are some network security best practices?

Effective network security is crucial for every organization in the face of evolving cyber threats. The top five network security best practices include segmenting the network, implementing the zero trust model, securing IoT devices, enabling appropriate security measures, and making network security a continuous process rather than a one-time solution.

What are some recommendations for securing devices?

Securing electronic computing devices, including computers, laptops, printers, mobile phones, and IoT devices, is essential for home network security. Upgrading and keeping the operating systems up-to-date, securing routing devices, implementing WPA3 or WPA2 on the wireless network, wireless network segmentation, and employing security software are important measures to protect devices.

How can I secure my home network?

Implementing best practices for device security, protecting passwords, limiting use of the administrator account, safeguarding against eavesdropping, exercising secure user habits, limiting administration to the internal network, scheduling regular device reboots, and ensuring confidentiality during telework are crucial steps in securing a home network.

Why is network security important for home networks?

Home networks can be targeted by malicious cyber actors to gain access to personal and confidential information. By following recommended security practices, individuals can protect themselves, their families, and their work from potential cyber threats.