What is it?
A firewall is a security system that controls incoming and outgoing network traffic.
Tech Understandability: Beginner
Simple One-Sentence Definition
A firewall protects your computer from unwanted access.
Analogy or Comparison
Think of a firewall like a security guard at a building entrance.
Why it matters?
Firewalls help keep your personal information safe from hackers.
Fun Fact
The first firewall was created in the late 1980s.
Related Terms
Network Security: Network security involves strategies to protect the integrity and usability of computer networks.
Antivirus Software: Antivirus software detects and removes malware from computers.


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