Cybersecurity Hackathons in Europe 2026 / 2027

Discover 11 upcoming Cybersecurity hackathons, challenges and competitions across Europe. Find events, dates, locations and prizes on Hackathon Hub.

Upcoming events

First Ascent Poland · 2026-09-10 — 2026-09-13 · Milan, IT
Austria Cyber Security Challenge 2026 and Open Class Austrian Championship · 2026-09-14 — 2026-09-17 · Linz, AT
Hack-In-Towers · 2026-09-23 — 2026-09-23 · Bologna, IT
“Portathon” · 2026-09-25 — 2026-09-27 · Klaipeda, LT
OT Cyber Security Hackathon 2026 · 2026-09-29 — 2026-10-01 · Frankfurt, DE
Hack The Hague · 2026-10-05 · The Hague, NL
EUDIS Defence Hackathon 2026 · 2026-10-15 — 2026-10-17 · Soave, Veneto, IT
TechEx Amsterdam Hackathon - AI & Big Data Expo Europe · 2026-10-16 — 2026-10-20 · Amsterdam, NL
TEB Hackathon: Critical Infrastructure & Energy Security · 2026-10-23 — 2026-10-25 · Wien, AT
THE SIGN 2.0 Space Cybersecurity Hackathon · 2026-10-28 — 2026-10-29 · Madrid, ES
Cyber Security Competition · 2026-11-16 — 2026-11-22 · Wales, GB