Capture the Flag 2023

The ASD-ANU Co-Lab is turning 5! To celebrate, Australian students with curious and creative minds are invited to join us for 24 hours of fun Capture the Flag (CTF) challenges and puzzles in the ASD CTF competition. 


Runs from 11:30am Thursday 7 September, until 2:30 Friday 8 September 2023 (AEST) 

Welcome and instructions: Thursday 11:30am 

Game On! Thursday 12pm-Friday 12pm 

Prizes:Friday 1pm 

Test your problem-solving skills by solving challenges created by staff from the Australian Signals Directorate. Just like careers at ASD, the topics are varied and include: 

  • Cryptography 
  • Languages
  • Programming
  • Open Source Intelligence
  • Computer Security
  • Puzzles
  • And more!

New to CTFs? No problem! No previous skills are required, you can pick them up along the way. 

This competition is a great way to learn about the work and interests of ASD and win great prizes too! You can play online- all you need is an internet connection. 

To play, register your team of up to six here

You must use an email address ending with  

Are you an Australian Citizen? Do you live in Canberra, Melbourne or Brisbane? 

Students in Canberra, Melbourne and Brisbane, who are Australian citizens and 18+ years of age, are invited to join us to play in person and for a panel discussion after the competition ends you can learn more about how the challenges relate to careers at ASD. Places are strictly limited! Register for the events in your city below. 

Proof of citizenship (e.g. current passport) will be required on arrival. 

If you are interested in a career at ASD, check out our Entry Level Programs and Career Opportunities. 

Date and Times


Room: Level 5 & online


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