EduCTF
Sharpen your skills in cryptography, web
security, and digital forensics. Create an account,
break the challenges, and climb the scoreboard. Flags look like
CTF{…}.
29
Challenges
3
Categories
5575
Total points
How it works
1
Create your account
Sign up in seconds — one individual account tracks your solves and score.
2
Pick a challenge
Read the scenario, download the files or launch the live service, and dig in. Stuck? Unlock a hint.
3
Submit & climb
Every player gets a unique flag. Submit it, earn points, and rise up the scoreboard.
Categories
🔐
Crypto
10 challenges · Ciphers, RSA, XOR and the math that breaks them.
- Sixty Four50
- Dit Dah75
- Et Tu?100
- Onion125
- Keyed Noise150
- Homebrew175
- Polyglot175
- Cube Farm200
- Twin Primes300
- Shared Secret350
🌐
Web
8 challenges · Injection, broken auth, traversal — live targets.
- Secret Sauce75
- Members Only100
- Injectable200
- Ping of Death225
- Peek250
- Forgery300
- Fetch Quest325
- Templated350
🔎
Forensics
11 challenges · Disk images, packet captures, logs and hidden data.
- Hexadecimal75
- Hidden in Plain Sight100
- Bad Magic175
- After Hours175
- One Got Through175
- Packet Trail200
- Buried200
- Least Significant200
- Reset Required200
- Event Horizon250
- Ghost in the Shell300