The national finals of De Danske Cybermesterskaber 2026 ran with a new format this year. The first eight hours were played without any AI assistance, and the last three hours allowed all use of i...

This CTF ran as a Christmas calendar with a new challenge releasing every day. I solved all challenges but have decided to only do a writeup for a select few challenges that I found to be particula...

The national championship of DDC was held on May 4, 2024, and I ended up placing number 8 in the junior category. Challenges Misc Hi Grandma 100pts - 35 solves - Easy The goal of this challenge ...

The regional championship of DDC was held on February 13, 2024, and I ended up placing number 1 in my region and number 10 overall. Challenges Forensics Drilske Dæknavne - Email 186pts - 29 sol...

Intro This web challenge was rated hard and had 8 solves in the junior category. The intended solution is getting SQLi in a search field, leaking all posts, cracking a bcrypt hashed password from ...

During the Wizer 6-hour Blitz CTF, I discovered an interesting error message behaviour after trying to submit the flag for challenge 4. This error technically allowed me to solve challenge 4 and 5 ...

Wizer recently hosted a 6-hour Blitz CTF consisting of 6 challenges to be solved in 6 hours. These challenges varied in difficulty, as measured by hot peppers ranging from 1-5. This challenge, titl...