Hack4Krak 2026

Hack4Krak CTF 2026 is an on-site Jeopardy-style Capture The Flag competition for secondary-school students, held in Kraków, Poland.

The event will take place on 23–24 May 2026 at the UKEN in Cracow, ul. Podchorążych 2, 30-084 Kraków.

Participation is free. The event is aimed at students of secondary schools and is designed to introduce young people to cybersecurity through practical, hands-on challenges. Participants will solve tasks from various cybersecurity categories, compete for points, and climb the scoreboard. The organizers will provide food, talks, a great atmosphere, and prizes for the best teams.

Local schedule: - 23 May 2026, 08:00–09:30 CEST: Participant registration - 23 May 2026, 09:30 CEST: Opening ceremony - 23 May 2026, 10:00 CEST: Tasks are published - 24 May 2026, 16:00 CEST: End of the competition - 24 May 2026, 16:00–17:00 CEST: Closing ceremony and awards

The event is made possible thanks to our sponsors: cyber_Folks and Arkanet

Partners: CERT Polska, Zerya, University of the National Education Commission in Kraków, XXXI High School in Kraków, Netwrix, Kraków Technology Park, Teach for Poland, FABLAB Małopolska, programowanie.org, INFOSEC, CyberDot and Fundacja Ambasada Społeczności.