ZeroDays CTF 2026

Welcome to ZeroDays CTF 2026!

Get ready for an epic day of challenges and cybersecurity excitement at Croke Park. Join us for a hands-on experience like no other, where you can test your skills against fellow hackers and enthusiasts. This in-person event will bring together the best and brightest in the cybersecurity world for a day of fun and learning. Don't miss out on this opportunity to showcase your talents and network with like-minded individuals. See you there!
More details on the theme very soon. Venue open at 9am for registration and setup. Competition starts at 10am.

Please note that there will be phoptographs and videos taken, and it is likely you might be photographed in the background. If you do not wish to be photographed please let us know in advance and we will arrange for your team to sit separately to the others.

Please select the correct ticket type:

Colleges category teams must all be current students from the same Irish college. Please use your college email address to register. Any college tickets registered to a non-college email address will be cancelled.
International is a brand new category for teams travelling from outside Ireland.
Open category is open to graduates, professionals and everyone else.

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Host or Publisher ZeroDays Security