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Table of Content:

An office network is the local area network of an organization, consisting of all the computers, phones, and other devices used by the organization’s employees.

An office network holds a lot of sensitive information, such as employee and customer data, and protecting your office network should be the top priority for any business.

It’s essential to design a secure office network that’s easy to maintain, has sufficient security to prevent any data loss or leakage, and can prevent any third-party intrusion.

Designing a secure office network can sound challenging. However, with sufficient knowledge, you can secure your office network with ease.

In a nutshell, office network security consists of protecting an organization’s information from unauthorized access, use, disclosure, disruption, modification, and/or destruction.

In this article, we’ll learn how to design a secure and efficient office network.

CIA Information Security Triad

The CIA information security triad is a security model for guiding an organization’s security procedures and policies. The CIA information triad has 3 core components:

  • Confidentiality: Confidential information may only be accessed by authorized, designated personnel and processes.
  • Integrity: It refers to the integrity of the data. The data should be maintained in a correct state and protected from unauthorized alteration. The data should be correct, authentic, and reliable all the time. It can be achieved by using cryptographic hashing algorithms like SHA.
  • Availability: It’s important to keep unauthorized users out of an organization’s data. However, it’s equally important for authorized users to have access to those data whenever they need it. This means keeping the systems, networks, and devices up and running without interruption.

To ensure safe communications in both private and public networks, you must protect your devices including routers, switches, servers, and hosts. Most organizations use a defense-in-depth approach to protect their office network. However, any organization can benefit from a combination of networking devices and facilities.


Basic Requirements for Designing a Secure Office Network:

  • Modem
  • Router
  • Firewall
  • Switch
  • Cable
  • Access point
  • Ethernet hub
  • Network security and management.

Designing a Secure Office Network

Any office network works in the following way: The internet connection comes from the local ISP (Internet Service Provider) through a cable. The cable is connected to a router. A firewall filters the network traffic and channels it through. The traffic is then connected to a switch, which enables all the devices to connect to the internet.

As you can see, a lot of components go into an office network system. And for that reason, there is no single security system or piece of equipment that can satisfy every network security requirement.

Since there is a wide range of security systems and pieces of equipment that need to be incorporated, they all must work together. Some security tools are the most effective when they are part of a system.

Network security equipment includes both standalone devices and software tools. The following pieces of equipment are required to implement a secure office network: