Every year since 2017 the Danish National Cyber Crime Center (NC3) arranges a christmas CTF. 2020 was the first year where Kalmarunionen particpated and what a year! The challenges were released on November 27th and by the evening November 28th we managed to be the first team to solve all of them. It did not go down …

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As a relatively new team based in Denmark, we are currently limiting our recruitment focus to experienced players either based in Denmark, or who otherwise have strong ties to Scandinavia, as well as those who are invited by current team members. If you are interested in playing with Kalmarunionen, simply write us an …

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Kalmarunionen is the result of a lot of CTF teams uniting - primarily Danish. We have done this as it is hard to keep the commitment when being part of a small team of only a few players - the team is very vulnerable in case a single or two members decides to leave. With Kalmarunionen we intend on being a bigger team …

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