ACUCyS CTF
Student run programme for Australian university and TAFE cyber competitions.
Jingle Shells 2025
Australia wide Christmas CTF. Built by students, for students.
- 36 hours online
- Free to join
- Beginner friendly to advanced
Event starts in:
00days
00hours
00minutes
00seconds
- Hands-on challenges
- Form a team or go solo
- Mentors on call
Run by ACUCyS CTF volunteers. Free to enter.
This year’s flagship
Jingle Shells is our end of year Christmas CTF. Hands on challenges across web, OSINT, crypto, reversing, and forensics. Play solo or form a team. Mentors on call.
Start
DD Mon 2025, 12:00 AEDT
Finish
DD Mon 2025, 12:00 AEDT
Why join?
Learn fast
Short, practical challenges across web, OSINT, crypto, reversing, forensics.
Meet people
Team up with students from campuses across Australia.
Boost your resume
Ship write ups and show your skills.
How it works
1
Register
You can make or join a team later.
2
Join Discord
Get updates and ask questions.
3
Play for 36 hours
Pick challenges, submit flags, climb the board.
4
Wrap up
Winners announced, write ups shared.
Schedule
Start
DD Mon 2025, 12:00 AEDT
Finish
DD Mon 2025, 12:00 AEDT
Ready to join?
✓ Free to enter
✓ Beginner friendly
✓ Team or solo
✓ Mentors available
We respect your privacy. No spam.