Ages 11β14 Β· 10 levels Β· 3 free
Cyber Security for kids
Ciphers, firewalls and Linux commands. Think like a security expert. Build a cipher machine, a firewall and Linux commands from blocks, then capture the flag in a real CTF-style challenge.
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1
Caesar cipher free
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2
Intercepted message free
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3
Trying every key free
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Firewall
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Linux detective
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Hidden files
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Social engineering
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Dangerous attachments
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Backups
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Final challenge: CTF
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Unlock all 10 levels
Levels 1β3 are free for everyone. Teachers and parents can unlock all levels with a plan, or try everything free for 30 days.
What will you learn?
How encryption works (the Caesar cipher) and why a short key is weak, what a firewall does, basic Linux commands (ls, cd, cat), how attackers trick people (social engineering), which files are dangerous and why you need backups.