We also tell you when it was first used
What is a firewall?
Whether it’s on your own system or in crime series with a cybersecurity element, you’ve undoubtedly heard the term “firewall.” Your firewall is an important part of your computer’s security, helping to keep out unwanted connections, potential hackers, and more.
There are different types of firewalls and network security. To understand how to best protect your personal information, you first need to understand what a firewall is and what it is intended for.
Firewalls are named after the internal walls found in many connected homes that prevent fires from spreading from one home to another. In much the same way, your computer’s firewall monitors traffic on your network and blocks unauthorized connections.
