About DownUnderCTF Inc.

DownUnderCTF Inc. is the legal entity we formed to help with the logistics of holding a large Capture The Flag (CTF) competition. Run by DownUnderCTF organisers — it enables us to open a bank account, sign contracts with sponsors, pay for prizes, etc.

DownUnderCTF Inc. is

• established since 03 August 2021.
  • ABN 40 723 993 012
  • Australian Business Register
• a Victorian Incorporated Association.
  • Registration Number A0113470T
  • Certificate of Incorporation
  • Constitution and Governing Document
• a Not-For-Profit organisation and Charity registered with the Australian Charities and Not-for-profits Commission (ACNC).
  • Charity Certificate
  • ACNC Register
• a Tax-Exempt Charity endorsed by the Australian Taxation Office (ATO).

The purpose of the association are to advance the education of Australian university students in Cyber Security by-

1. running cyber security competitions;
2. producing cyber security resources; and
3. supporting cyber security education and students throughout Australia.

Additional documents are available on request.

What is DownUnderCTF?

DownUnderCTF is a world-wide Capture The Flag (CTF) competition targeted at Australian secondary and tertiary students.

Who are we?

DownUnderCTF started as a collaboration between 13 University Cyber Security societies around Australia. Now, we are a mix of University and young IT professionals working together to build Australia’s largest CTF.

Contact us

Feel free to send us an email at [email protected]. Our mailing address is

DownUnderCTF Inc.
PO Box 8070
MONASH UNIVERSITY
VIC 3800