Haruulzangi CTF 2026 Qualifier

Haruul Zangi CTF 2026 is organized by MNCERT/CC and the Haruulzangi CTF Team, representing the Mongolian CERT and cybersecurity community.
We are proud to announce the 14th edition of Haruul Zangi CTF and welcome participants from around the world. The competition aims to promote practical cybersecurity skills, encourage knowledge sharing, and strengthen collaboration within the global cybersecurity community.

Competition Format
The competition consists of three rounds:
Round 1 – Qualification (Online, Jeopardy)
• Date: August 22, 2026
• Start Time: 09:00 (UTC+8)
• Duration: 24 hours
Round 2 – Semi-Final (Onsite, Jeopardy)
• Date: September 5, 2026
• Location: Mongolia
Round 3 – Final (Onsite, Attack & Defense)
• Date: September 24, 2026
• Location: Mongolia

Challenge Categories
• Pwn
• Web
• Forensics
• Cryptography
• Reverse Engineering
• Miscellaneous
The challenges range from beginner to advanced difficulty, providing an engaging experience for both new and experienced CTF players.

Team Information
• Teams may consist of up to 3 players.
• International participants are welcome.

Qualification
The following teams will advance to the onsite Semi-Final:
• The top 30 teams from the online Qualification Round.
• The top high school team (if not already qualified through the overall ranking).
• The top women's team (if not already qualified through the overall ranking).
The Semi-Final will be held in Jeopardy format. At the end of the Semi-Final, the top 10 teams will qualify for the onsite Final, which will be played in the Attack & Defense format.
Additionally, two international teams will be invited directly to participate in the onsite Final.

Support for International Finalists
The organizers will provide the following support for the two invited international finalist teams:
• Hotel accommodation during the onsite event.
• A daily allowance to cover meals and local expenses.
Invited international teams are responsible for:
• International and domestic transportation.
• Airfare and all other travel-related expenses.
Visa invitation letters and supporting documents will be provided upon request.

Previous Challenges
Challenges from previous Haruul Zangi CTF competitions are publicly available in our GitHub organization:
https://github.com/haruulzangi
We look forward to welcoming teams from Mongolia and around the world to Haruul Zangi CTF 2026.
Good luck, have fun, and see you in Mongolia!