Skip to content

Learning pathsShort tracks from zero to confident FoundationsTerminal, web, encodings and tools Teach on CTF-ORIONShare lessons, challenges and mentoring Learning for everyoneFree, self-paced, every level welcome Start with FoundationsTen short modules that get you ready for your first flag. Start learning
ChallengesFile-based puzzles, solve any time ScoreboardsAll players, teams and solo EventsTimed competitions, when they run TeamsSolo or up to 25 teammates First event on 1 Jan 2027Starts at 00:00 Bangladesh time. See details
Host your CTFYour event at ctforion.com/your-org Affiliated teamsCTFBD and partner teams Fair playRules for players, teams and events MentoringHelp beginners get unstuck Bring your own machinesKeep boxes on your servers, run the event on ours. Read the proposal
Scoreboard
Fair play

Sign in Start learning

Home

Learn

Learning paths Foundations Teach on CTF-ORION Learning for everyone

Compete

Challenges Scoreboards Events Teams

Community

Host your CTF Affiliated teams Fair play Mentoring

Theme

Start learning Login as teacher

Paths Teach

learning path

Reverse engineering

Reading programs you did not write: assembly basics, decompilers and patient note-taking.

0 modules Easy to hard

No modules published yet.

learning paths: live file challenges: live machine challenges: soon donations: soon

ctforion, learning for everyone

Free security learning and capture-the-flag challenges. Learn at your own pace, teach what you know, play events when you want to.

a product of QudsLab, secured by TracePrint

QudsLab TracePrint

Learn

Learning paths
Foundations
Teach
Our motto

Compete

Challenges
Scoreboards
Events
Teams

Community

Host your CTF
Affiliated teams
Donatesoon
GitHub

Resources

Fair play
Flag format
Integrity notices
Changelog
Status

Help

About
Help and FAQ
Contact
Privacy policy
Terms of service

© 2026 CTF-ORION. All rights reserved. Code of conduct Privacy Terms Contact A product of QudsLab, secured by TracePrint. Learning for everyone.