GlacierCTF 2026

We're excited to announce GlacierCTF 2026 for its fifth edition, organized by LosFuzzys.

Players of all skill levels are warmly welcomed. Experience an engaging range of challenges, including pwn, rev, web, crypto and misc.

Academic Prizes

1st place

  • Hex-Rays Swag
  • 3x IDA Pro Expert-2 licenses
  • ISEC Travel Grant for Graz Security Week 2027*

2nd place

  • 2x IDA Pro Expert-2 licenses
  • ISEC Travel Grant for Graz Security Week 2027*

3rd place

  • ISEC Travel Grant for Graz Security Week 2027*

Winners will be selected based on writeups.

To be eligible, teams must submit high-quality writeups for all solved challenges within 7 days after the CTF ends to team@losfuzzys.net. Each challenge author will evaluate the writeups for their respective challenge, and the final winners will be selected based on these evaluations.

* The ISEC travel grant includes the following:

The travel grant covers up to EUR 1,500.00 for attending Graz Security Week 2027 in total. The actual split of the grant between the team members is up to the winners.

The payment of the travel grant is done as reimbursement. Hence, the winners register for Graz Security Week 2027 and, after attendance, all receipts have to be submitted to team@losfuzzys.net. The costs for registration, travel, and hotel will then be reimbursed.

Information

Prize eligibility

Only teams whose members are enrolled in a school or university are eligible to win the student category prizes. Teams from countries that are sanctioned by the Austrian government or the European Union are exempt from receiving any prizes.

To ensure this policy, in case of a team placing in the top 3, its registered members will have to provide proof of citizenship or enrolment at a university.

Rules

During the competition, any of the following behaviours will result in immediate disqualification:

  • Any behaviour that affects the fairness of the competition
  • Posting, sharing task solutions or flags
  • Each team may register only once, and a person may belong to only one team
  • Intentionally prevent other teams from scoring flags
  • Attacking personnel, participants, non-participants, or the competition system itself
  • Violation of the Code of Conduct

Sponsors