Application Whitelisting Concepts: Definition, Types, Implementation and Best Practices

The simplest way to stop malicious code from infiltrating your network is by automatically blocking it before it even enters the system. A straightforward and efficient way to achieve that is through application whitelisting. Sounds pretty easy, right? But how does it work? Let’s find out.

In the following lines, I will go over what application whitelisting is, as well as discuss the types of application whitelisting that you can add to your network. As always, stay tuned until the end for actionable steps that you can take to implement this cybersecurity practice in your company’s infrastructure and how can you use our tool to do this.

What Is a Whitelist?

First of all, you need to understand what a whitelist is. A whitelist, also known as a passlist or allowlist, serves basically as an index containing entities that are approved, thus serving as a list with a set of apps and their components that are allowed to be installed on a host following closely an established baseline, as NIST describes it. If we speak of an InfoSec context, systems go through a regular workload in environments that are centrally managed and that is where whitelisting can do its magic, being

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