Join 60,000+ hackers

CTFlearn is an ethical hacking platform that enables tens of thousands to learn, practice, and compete.

We host an ever-changing array of user-submitted and community-verified challenges in a wide range of topics.

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What's new

Re-programmed from the ground up
Allows us to create new features, much faster
Challenge Ratings
After solving a challenge, rate it, and contribute to the community rating.
CTFlearn will now be hosting events!
Much More
Check out the rest of the site to see changes to challenges, creating challenges, activity, and more!