Skip to main content

Cybersecurity courses, free forever

CyberAcad is a registered 501(c)(3) nonprofit. Every course below is free, and every one but CyberPatriot prep runs entirely in your browser. Courses that offer a certificate end with one anyone can verify from a link. No lab hardware, no paywall.

Create a free accountSee all programs
2
Courses
59
Lessons
12
Units
$0
Cost to students

Full curriculum

2 courses · 59 lessons · all free

Intro to Linux

Free

Never opened a terminal before? Fear not! You'll learn to get around Linux with cd, ls, cat, chmod, grep and friends, on a real Ubuntu machine that runs right in your browser.

4 units34 lessons3-4h

Start course →
Full curriculum, 4 units, 34 lessons
Unit 1 · What is Linux?
  • , Linux? Never heard of it.
  • , The burden of choice.
  • , How ... is Linux?
  • , File System Fun
  • , Path Pandemonium
  • , Where from here?
Unit 2 · Basic Commands
  • , Command me!
  • , Entering the Terminal
  • , Manual Learning
  • , Meow
  • , Él...es?
  • , CD
  • , Touché, m'kay dear?
  • , File go bye bye
  • , Copy that!
  • , Move it!
  • , Users and Groups
  • , Files Have Owners?!
  • , Permission Paradise
  • , chown
  • , Nothin' But Nano?!
  • , Nano-ing Around!
  • , Grep 'n Stuff
Unit 3 · Linux^2
  • , Redirect Me
  • , wc
  • , Sort of Unique?
  • , Hide n' Seek
  • , Simon Says
  • , Kill
  • , Tarball
  • , Work harder, not smarter, wait...
  • , Ping Pong!
Unit 4 · sudo graduate
  • , Walk the Stage
  • , That's a Wrap!

CyberPatriot Linux: Tokyo Jujutsu High

Free

Harden a real, deliberately insecure Ubuntu machine on your own computer. A live scoring engine grades every change you make, and each unit teaches you how to find a class of problem rather than handing you a list.

8 units25 lessons~6h

Start course →
Full curriculum, 8 units, 25 lessons
Unit 1 · Getting the Image Running
  • , Before You Start
  • , Install VirtualBox and Import the Image
  • , Reading the Scoring Report
Unit 2 · The ReadMe Is the Rulebook
  • , Who Is Allowed to Be Here?
  • , The Order You Work In
Unit 3 · Forensics First
  • , Finding the Answers
  • , Writing the Answer File
Unit 4 · Auditing Accounts
  • , Accounts That Should Not Be There
  • , The Accounts the Panel Does Not Show
  • , Who Can Use sudo?
Unit 5 · Passwords and Policy
  • , No Password, and the Root Account
  • , Password Rules
  • , Requiring Strong Passwords
Unit 6 · Services, Ports, and Software
  • , What Is Listening?
  • , Services That Send Passwords in the Clear
  • , SSH Settings
  • , Turning On the Firewall
  • , Software That Should Not Be Installed
Unit 7 · Files, Permissions, and Scheduled Jobs
  • , Things That Run On Their Own
  • , File Permissions That Are Worth Points
  • , Programs With Borrowed Power
Unit 8 · System Settings and the Final Run
  • , Two System Settings
  • , Fixes That Undo Themselves
  • , Automatic Updates
  • , The Full Run

Ready to start learning?

Creating an account takes under a minute and costs nothing. Teachers and club leaders can request a class code to track a whole group.

Create a free accountAsk about class codes