zero trust architecture explained

Zero Trust Architecture Explained

If you’ve been in the tech world for any length of time, you’ve probably heard of Zero Trust Architecture. But what is it, really? And why should you care? In this blog post, we’ll break down Zero Trust Architecture and explain how it can help your business stay secure. Stay tuned!

Zero Trust Architecture Explained

Zero Trust Architecture is based on a deeply rooted principle of “trust” called least privilege. As the name suggests, Zero Trust Architecture is based on the concept of “Zero Trust”. The term was first introduced by Forrester Research back in 2004 and then again in 2007 by Gartner.

Zero Trust is still in its initial stage and although there are quite some implementations out there, it’s still mostly an innovative approach rather than a mature one. However, this doesn’t mean that there aren’t strongly established security layers that can be used to build Zero Trust architecture. Zero Trust Architecture is primarily designed to mitigate the risk of internal threats.

These threats are malicious insiders, compromised devices, and malicious code. As a result, ZT is not suitable for mitigating external threats. Organizations that engage in online services such as e-commerce or banking should not implement ZT architecture.

Multi-Layer Perimeter Networking

Although ZT can be used to mitigate external threats. But it won’t provide you the level of security you need to conduct high-risk activities like banking or e-commerce transactions. Therefore, this type of organization should not adopt Zero Trust architecture.

But instead, they have to focus on implementing security measures like Multifactor Authentication with higher privileges granted only to authorized users. Zero Trust means that you don’t trust any user or device. This is before allowing them into your network or allowing them access to your resources.

You need to validate everything before you accept any user or device into your environment. Because you can never be 100% sure about their intent. If someone gains unauthorized access to your environment then he/she will use the resources for their benefit.

But they are not for what they were intended for. Therefore, Zero Trust Architecture requires an intelligent approach. This is where every aspect is authenticated and authorized before granting access. This means that every user or device has to go through a series of checks before being allowed entry into the environment.

Moreover, this can be done through different stages and each stage offers different levels of authorization rights. So, this is based on how much risk a user or device poses to the organization’s environment. Unlike other architectures like a Multi-Layer Perimeter Networking (MLP) or Multi-Vendor Internet.

The New Approach to IoT 

Zero Trust is a relatively new approach to Information Security. It is where the concept of identity and access control is completely transformed from the traditional way of identifying users. Thus, granting them access to resources based on their identity.

Furthermore, it essentially means that a user or device should be granted access only if it passes all the authentication and authorization checks. In other words, you can’t trust anyone without verifying first because everyone can pretend to be someone else. So, Zero Trust Model does not depend on the location of the user or resources, but rather on an understanding of the sensitivity of data in your environment. 

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