Capture the Flag


Hack challenges is a website where teenagers between 10 and 16 years old can learn more about cybersecurity in a cool and fun way by solving challenges.

Howdy! Ready to solve challenges in the categories hacking, forensics, crypto and coding? Hopefully you will enjoy learning more about these topics and you will soon know which digital dangers to be aware of on the internet. After playing the challenges, you know for example that everything you post on the internet will remain there forever (yes, including that nasty comment you left below a YouTube video) or how easy it is for a hacker to access your account when you set the name of your favourite football club as a password.

Ready to start? Click on the title of a challenge to enter the challenges. You'll see a page with an explanation how to get the flag. Getting the flag is basically the same as the people who visited the moon for the first time; as soon as they arrived on the moon they planted a flag in the soil, meaning that they had now "conquered" this area. This is also the case with a Capture the Flag, but then the flags are "digital flags" in the form of flag{text}. Found this piece of text after solving the challenge? That means you have succesfully solved the challenge! Entering this flag in the input field below the challenge title will give you a certain amount of points varying from 20 to 75 and will increase your score by that amount. In the score board, the scores of all your fellow class mates can be found.

Teachers can request a code for a class by sending an email to ctf [@] hackchallenges [dot] nl (yes, that's Dutch, no worries, I don't bite). With a CTF code, your students can register for the challenges and only the kids in your class will be featured on the leader board. The teacher module will give access to the progress of the students and the solutions of the challenges.

Want to try it first or want to solve challenges by your own at home? The current CTF code that needs to be entered in the CTF code field on the register page is PandemicHackers.

Hackchallenges is a hobby project developed by ethical hacker Sanne Maasakkers (twitter or linkedin), to increase the security awareness of children and inspire them to choose for a career in IT.

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