What Does a Firewall Protect Against? (A Simple Guide)

An abstract cybersecurity graphic illustrating what a firewall protects against, showing a digital shield with a brick wall pattern blocking malicious red data and malware from reaching a secure network of computers.

You’ve probably heard that you need a firewall to be safe online, but what does a firewall actually do? Think of a firewall as the security guard standing at the gate of your computer network. Its only job is to inspect every piece of data trying to get in or out and decide if it’s […]