How does Zero Trust Network Access (ZTNA) Work?

How Does Zero Trust Network Access (ZTNA) Work?

In this article, learn more about the topic “how does Zero Trust Network Access (ZTNA) work.” Just continue reading to have more ideas.

What Is ZTNA?

ZTNA is a concept that is applied to an organization’s network security. It is based on the Zero Trust Model. 

This model focuses on the fact that IT networks should be considered hostile environments where users and devices are not trusted. 

In addition, network security should be based on the assumption that someday someone or something will try to attack your network.

In this way, you will be ready to face the attacker. 

Therefore, when designing your network security policies, you should not see users or devices as trusted. Instead, they must be assumed as untrusted. 

This means that they will never be trusted and they are always seen as potential threats. 

As a result, users and devices should always have limited access to your resources. 

How Does Zero Trust Network Access (ZTNA) Work?

Now, let’s see the top ways how ZTNA works.

1. Network Segmentation 

There are two main benefits of network segmentation

First, it helps to prevent network breaches by preventing unauthorized devices and users from accessing your network. 

Second, it simplifies how you manage your network. This is because you can easily add or remove users and devices to the appropriate network segment without affecting other network segments.

 2. Perimeter-less Networking 

In perimeter-less networking, the internet is no longer a boundary between your internal networks and the rest of the world. There are no more perimeters in your networks. 

Instead, you will have a single trusted zone where all of your systems are trusted, including both servers and endpoints. 

In addition, there is a perimeter that surrounds this trusted zone. However, this parameter is not used to contain threats. Instead, it is used to protect the trusted zone. 

3. Segmentation of Zones and Least Privilege 

Least privilege refers to the concept that you should only give users or devices the permissions that they need to perform their assigned work. 

It also means that you should never give them more access than what is necessary for them to do their job. This is especially true for network administrators and other IT staff who have high levels of access to your systems and networks. 

You may also want to implement this concept physically. For example, you can set up a network so that each user or device is given only access to the parts of the network that they need to use. 

4. Segmentation of Networks 

Have you ever thought about the fact that even if you have one network, different systems or users may require different levels of access? 

For example, your file server may allow all users to read files, but it does not allow them to modify them. 

Meanwhile, your database server allows only certain users to write files and read them. 

In addition, your database server may have certain rules regarding which users can read and write data. For example, they may not allow users who are only assigned to use the network printer to access the database server. 

However, a user attached to the same network segment as the database server can still access it.

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