2018 (Solved)

The 2018 badge challenge was delivered on an NFC tag. The challenge had a minor bug that could easily have been figured out. But because of that we have reprinted a fixed version below (base64 to preserve the data).

2020-05-02: It came to our attention that there was several issues with this challenge and a corrected version has been published here.

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The badge puzzle was also printed as a poster for SEC-T 2019. This version has issues and should not be used.

Picture of the badge 2018

This badge was solved by Alve Björk on May 3:rd 2020.