Over three hundred hacking challenges available to train yourself.

You have to be authenticated on this portal to access challenges : you just have to be authenticated on this site with the same IP address you use to play.

App - Script

16 challenges

These challenges will help you to understand scripting vulnerabilities related to weak environment or configuration and (...)

App - System

67 challenges

These challenges will help you understand applicative vulnerabilities.


32 challenges

Crack executable and files to win points


43 challenges

You can test your cryptanalysis skills here.


23 challenges

Train Your computer forensic expertise


18 challenges

Networks challenges where you have to deal with captured traffic, network services, packet analysis, (...)


11 challenges

Programming challenge : you’ve to code to solve challenges.


27 challenges

Realistic challenges.


17 challenges

Whereas cryptography concern the art of secret, steganography is the art of hidding: the object of steganography is to (...)

Web - Client

19 challenges

At first you will be faced with problems that will require little to no knowledge of web scripting language. Pretty soon (...)

Web - Server

57 challenges

Discover the mechanisms, protocols and technologies used on the Internet and learn to abuse it!