2026The Dutch hacking championship. By the end of the night the country knows who is best.
Saturday 19 September 2026 · H20 Esports Campus, Purmerend
until the arena opens
Saturday 19 September, Purmerend. 500 hackers in an esports stadium, the biggest CTF in Dutch history. The winner goes home as the best hacker in the country.
Play solo or in a team of up to four. Every challenge was built fresh for this one day, by four of the best hackers in the Netherlands. Never played a CTF? No problem. There are challenges at every level.
And you do not even have to hack. Come for the vibe, stay for the food, snacks and free merch, and get to know the scene. Joining is entirely up to you.
The platform is already warming up. Platform nhc.ehgn.nl
The rundown.
Come in, find your spot, set up your gear.
The scoreboard goes on. From here everything counts.
Hands off. The last flags are counted.
A guest on stage. Who it is, you will hear soon.
The trophy, EUR 5,000 for the winner and prizes for the whole top 10. The title goes to the best.
Everything built new for this one day. No recycled sets.
Injection, auth bypass, logic flaws.
Find the flaw in the math.
Binary exploitation and memory corruption.
Take binaries apart.
Misc, forensics and a few surprises.
The four who built the challenges.
We think like attackers, work like allies.
Hacker delivers offensive security expertise to help organisations identify and eliminate vulnerabilities before they grow into incidents. Rooted in the world of ethical hacking for governments, critical infrastructure and complex enterprises, Hacker stands for autonomy, craftsmanship and the invisible work that makes organisations stronger and protects them from within.
hacker.nl
Real hackers, real hacks.
From phishing and Microsoft 365 to internal servers, Active Directory and web applications. EHGI picks its hackers from EHGN, the largest community of ethical hackers in the Netherlands, founded by the same people.
ehgi.nlThe largest permanent esports venue in the Benelux. 40 m2 of LED above the stage, room for 1200 people.
A 20 minute drive from Amsterdam, free parking at the door.
Hands off at 19:00. At 19:30 the winner stands on stage with the trophy, EUR 5,000 and the title.
With a full field of 500 hackers, the entire top 10 wins a prize.
Free, but gone is gone: there are 500 seats.
Win the trophy, EUR 5,000 and the title.
This email address was already on the list. This is your code:
Take a screenshot of this QR. Lost it? No stress, your name on the door list is enough.
All 500 seats are gone. Mail info@ehgn.nl for the waiting list.
Saturday 19 September 2026 · H20 Esports Campus, Purmerend
Anyone who hacks or wants to learn. Beginners are welcome, there are challenges at every level.
No. Feel free to come just for the vibe. There is food, snacks and free merch, and you can socialize all day. Joining the CTF is up to you.
Both. A team is four people at most.
Your own laptop and a charger. Power and internet are taken care of.
Nothing. Tickets are free and there are 500 of them.
Jeopardy style on rCTF. You pick challenges, submit flags and score points. From 15:30 to 19:00, with the scoreboard counting live.
No. It is about your skills, not a model's.
With a full field of 500 hackers, the entire top 10 wins a prize: 1st place EUR 5,000, 2nd place EUR 500, 3rd place EUR 250 and 4th to 10th place EUR 100. The winner also takes the trophy and the title of best hacker of the Netherlands.
H20 Esports Campus, Spinnekop 2-3 in Purmerend. 20 minutes from Amsterdam, free parking at the door.
Yes, for free. There is free parking at the door and by the Rabo Esports Stadium.
The entire CTF platform runs on the Redeco cluster.During the CTF you use no AI tools. If you do, you are disqualified. It is about your skills, not a model's. If a normal search accidentally shows you an AI summary, such as the one above Google's results, that does not count as a violation. Only actively using AI is off limits.
Fuzzing and scanning tools such as nmap, ffuf and feroxbuster are not allowed. They are not needed and load the system for everyone. The only exception: if a challenge explicitly states it is allowed, you may use it for that challenge. Otherwise, do not use them.
There will be photos and filming. By being present you consent to this. Do not want to be on camera? Get a badge from the organisers and we keep you out of the shots.
A team has up to 4 players. You can also play solo. Win solo, and the cup and the whole prize are yours alone. No team? Pick 'Place me' when you sign up and we place you with other solo players.
You do not have to hack. There is food, snacks and free merch for everyone there, and you can walk around and meet people all day. Joining the CTF is entirely up to you.
