dJulkalendern is back!

dChristmasy greetings!

It is once again time for Konglig Datasektionen’s yearly puzzle hunt/CTF competition dJulkalendern!

A challenge is released every weekday in December until Christmas Eve at 12:15 CET and your task is to solve it as fast as possible! The challenges are cryptic puzzles, hacking and other computer science related things! The calendar also has an intriguing story that unfolds as you solve each window.

The winner receives the title Bäst på att DATA™. For those who solve all windows and does it the quickest will receive dJulkalendern-themed prizes!

Now, you can already go to https://djulkalendern.se and solve the introductory window, -1, make sure you understand the system and read the rules!

You should also join our discord server: https://djul.se/discord, where you can ask us questions, discuss the windows you have solved and be notified about any possible hints!

Bestregards, The dJul team!