The window is limited.
Every few weeks,
we open one door.
A new challenge goes live for a limited time. When the timer ends, the environment is sealed and only the names of those who finished them remain. That’s the deal. Make the window count.
1 challenge every few weeks 14 days each
3,328
CTF flags caught
1,039
Total solvers
112
Milestones solved
24
CTFs happened
Aug 2026·Closed
CTF Testing Demo:
Red Teaming
DifficultyIntermediate to Advanced
Closed
--Days
--Hrs
--Mins
--Secs
This is a test demo for INE users.
Train year-round
Sharpen on the full platform between seasons.
CTF runs every few weeks. The other weeks, INE has structured paths, certification prep, and live courses to keep your edge.
Train at ine.com