Cybersecurity Cyber Range | CodeHS
Labs Mapped to AP Cybersecurity
Cyber Range challenges are carefully aligned with AP Cybersecurity curriculum standards, giving students practical experience with concepts they'll need for the AP exam and beyond.
Available as an Add-On to CodeHS Pro
Cyber Range is a separate add-on feature that enhances your CodeHS Pro subscription. Contact our team to add Cyber Range to your school or district.
$ ls -la /home/secret
drwx------ 2 root root 4096 Jan 15 10:30 .
-rw------- 1 root root 42 Jan 15 10:30 .hidden_flag
$ sudo cat /home/secret/.hidden_flag
FLAG{linux_master_unlocked}
Run Real Linux Commands
Students work in authentic Linux environments where they can run real commands, navigate file systems, manage permissions, and solve challenges using actual command-line skills that translate directly to real-world cybersecurity work.
CTF-Style Challenges
Engage students with gamified Capture The Flag (CTF) style problems. Each challenge presents a realistic security scenario where students must apply their knowledge to find hidden flags, earning points and building confidence as they progress through increasingly complex puzzles.
🔐 Cryptography
Caesar's Secret Message
Beginner
🌐 Web Security
SQL Injection 101
Advanced
Challenge Topics
Explore a comprehensive range of cybersecurity topics through hands-on challenges
🐧
Linux Basics
Master command line fundamentals, file permissions, process management, and shell scripting.
Who Am I? Permission Puzzle Grep Detective
🔐
Cryptography
Learn encryption, decryption, hashing, and cryptographic protocols through practical challenges.
Caesar Cipher Base64 Basics RSA Key Lab
🌐
Web Security
Discover web vulnerabilities, XSS, SQL injection, and security best practices for web applications.
View Source Cookie Monster XSS Playground
📡
Network Security
Analyze network traffic, understand protocols, and learn to identify network-based attacks.
Packet Detective Port Scanner DNS Detective
🔍
Forensics
Investigate digital evidence, recover hidden data, and analyze system artifacts like a cyber detective.
File Recovery Memory Analysis Log Detective
💣
Binaries
Understand binary analysis, reverse engineering fundamentals, and executable file structures.
Binary Basics String Search Reverse Challenge
Sample Challenges
Engaging challenges across topics in cybersecurity
Navigate the Maze
Use cd, ls, and pwd commands to navigate through a complex directory structure and find the hidden flag.
XOR Decryption
Apply XOR operations to decrypt an encoded message and reveal the secret flag.
The Eavesdropper
Analyze captured network traffic to intercept and decode sensitive communications.
Cookie Monster
Inspect and manipulate browser cookies to bypass authentication and access restricted content.