Undutmaning 2026

A CTF created as a joint effort between Sweden's intelligence organizations:

* Swedish Military Intelligence and Security Service (MUST)

* Swedish Security Services (SÄPO)

* National Defence Radio Establishment (FRA)

The CTF will consist of 24 challenges and will be open for 8 hours, between 12:00 and 20:00 local time.

The CTF is not a first-blood competition but uses weight based scoring.

Categories: crypto, web, pwn, reverse, forensics, programming, misc

CTF information, challenge descriptions, etc. will be presented mainly in Swedish.

Official URL: https://undutmaning.se/

CTFtime URL: https://ctftime.org/event/2987/

Official prize text: The top teams will be invited to a workshop/seminar,

where there will be food, beverages and demos. The #1 team will also receive a special symbolic prize.

There will also be seminar invites sent out to other teams based on how many slots end up being available.

(You will need to register interest for the seminar on the website to be eligible for an invite, regardless of how well your team did).