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What is Network Security – Fundamentals of Network Security and Its Applications

What is Network Security – Fundamentals of Network Security and Its Applications

Network security in short

Network security means using hardware and software tools to protect your network and data, covering accessibility, confidentiality and data integrity. Because networks are structured in layers, protection works at three levels: physical security to stop unauthorised access to equipment, administrative security for policies and user authentication, and technical security for data stored on or moving through the network. It matters because it safeguards confidential information, keeps communication channels secure against data leaks and lets businesses run without disruption from cyber threats.

As more and more of our daily lives (both personal and professional) move online, we have to guard ourselves against cyberattacks. Cyberattacks have always been a threat for businesses and enterprises, as well as individuals, and attackers are always on the lookout to find and exploit vulnerabilities.

As technology evolves rapidly, old solutions have to make way for new ones. But how can you be sure that the new technologies that you implement aren’t adding vulnerabilities to your network? Before exploring the new and innovative solutions out there, it’s important to focus on your network security. Let’s examine what network security is and how it can help your business in preventing data loss and streamlining information flow.

What is Network Security?

In the simplest of terms, network security means using hardware and software tools to protect both your network and data. It covers accessibility, confidentiality, and data integrity used in hardware and software technologies.

Network security is quite a broad term, which includes numerous technologies, processes, and devices within its scope to protect against cyber threats. Attackers are always looking for vulnerabilities that can exist in a number of places, including your apps, devices, data silos, databases, locations, and even users.

Now that we have answered the question “what do you mean by network security?”, let’s explore its fundamentals, importance, and applications.

How Does Network Security Work?

Organisational networks are structured in layers. This makes it easier to put standards in place and implement security solutions. Any layer in the network security model is susceptible to cyberattacks, and it is imperative that your policies, software, and hardware are designed to combat every type of threat.

To understand exactly how network security works, it is important to understand the types of network security and how each type works in protecting these layers:

  1. Physical Network Security
    These security controls are specifically designed to prevent unauthorised people from accessing physical network components like cabling cupboards, routers, and so on. Physical network security focuses on controlling access using tools such as biometric authentication, like fingerprint scanning, and ID scanning locks.

  2. Administrative Network Security
    The administrative layer is all about protecting and controlling the security policies and user behaviours, including user authentication. It determines which areas users can access, and also guides the IT staff in implementing changes to the network infrastructure.

  3. Technical Network Security
    The technical network security layer protects not only the data stored on the network but also data that is in transit, within, across, or out of the network. Technical network security has a twofold protection process— it protects the data from being accessed by unauthorised personnel, and also protects it against any malicious or suspicious activities from the employees.

Importance of Network Security

Now that you have learned what network security is, it’s time to delve into its importance. As cyber threats grow every day, attackers are constantly looking for gaps in business security measures to exploit them. Data theft, cyberattacks, network security Threats, and much more have become imminent threats to companies of all sizes around the world. To ensure customer retention, and to maintain their brand images, businesses have little choice but to opt for high-end network security solutions. Here are the main reasons why network security is important for organisations:

  • They help businesses to safeguard confidential information and collect essential operating data from the users
  • By prioritising network security, businesses are able to maintain streamlined communication channels throughout their companies without any threat of data leaks
  • Businesses are able to implement new apps seamlessly and with ease, across any department of their company, but particularly in the IT segment of their organisation
  • Companies that prioritise network security are able to function smoothly, without any risk, and without concerning themselves about external hindrances like cyber security threats.

Time to Get Your Network Secured

As the number of applications of data collection and distribution grows, so will the threats. Hence, it is imperative that organizations have intact network security solutions in place. Get in touch with high-end network security solutions providers like Solid Systems to safeguard your organisation from cyberthreats today.

Frequently asked questions

Why is network security important?

It helps businesses safeguard confidential information, maintain streamlined communication channels without the threat of data leaks, roll out new apps across departments with ease, and operate without disruption from cyber security threats.

What are the three types of network security?

Physical network security controls access to equipment like routers and cabling cupboards. Administrative network security covers policies, user behaviour and authentication. Technical network security protects data stored on the network and in transit.

How does network security fit into cyber security?

Network security is a broad part of overall IT security. It uses technologies, processes and devices to protect against attackers looking for vulnerabilities in apps, devices, databases, locations and users.

Written by

Daniel Avinir

Co-Founder and CEO of Solid Systems and a Virtual CIO, with a love and passion for people, technology and nature. Daniel helps people work in increasingly flexible and productive ways, and leads the cultural and technological change of our time.

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