Kalmarunionen

Kalmarunionen is a Danish competitive cybersecurity team that excels in Capture The Flag (CTF) competitions and organizes hacking events. It is headquartered in Copenhagen, Denmark.

Here are key aspects of the company:

• Industries: The organization specializes in competitive hacking within the cybersecurity sector, regularly participating in global tournaments such as Google CTF, ASIS CTF, Hack.lu CTF, and KalmarC.TF.
• Customers: Their primary audience consists of other cybersecurity professionals, teams competing for prizes like Hex-Rays IDA licenses and Zellic awards, and industry stakeholders including the Danish Minister for Digital Affairs.
• Innovation: The team demonstrates high-level technical capability by securing top global rankings, achieving first place in 2024, second place in 2025, and maintaining a spot in the world's top three teams for three consecutive years.

Kalmarunionen has established itself as a dominant force in international cybersecurity competitions through consistent performance and strategic preparation.