Fri, 18 July 2025, 09:30 UTC — Sun, 20 July 2025, 09:30 UTC 

On-line

DownUnderCTF event.

Format: Jeopardy Jeopardy

Official URL: https://play.duc.tf/

Future weight: to be determined

Rating weight: 91.66 

Event organizers 

DownUnderCTF is the largest online Australian-run Capture The Flag (CTF) competition, now welcoming Aotearoa (New Zealand) to the competition for the first time in 2024. With over 4200+ registered users and more than 2000+ registered teams as of 2023, its primary goal is to up-skill the next generation of potential Cyber Security Professionals and to expand the CTF community in Australia and Aotearoa (New Zealand). While our CTF is an online event open to participants worldwide, starting from 2024, prize eligibility extends to include both Australian and Aotearoa (New Zealand) Secondary or Tertiary school students. This change aims to foster a closer collaboration and competition spirit between the two nations while maintaining our commitment to enhancing cybersecurity skills among the youth.

Prizes

https://duc.tf/prizes

Sign in and register a team to mark your interest.

Interested teams

138 teams total

Team
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|3r0th3r CC
0M3G4_SQU4D
0xD@rkshell
0xHUST
1Tree
411553
abg_hunter_xpert
Ack Ack
AY4M G3PUK HUNT3R
B1pr06y-G
bad-bogon
Bandit's Secret
Banu Hashim Hackers
Bin Chicken Cartel
Binary_Beasts
bl4ckhun73r
Bobby Tables Anonymous
Bransnobbish
brixel
bytxHunter
BYU Cyberia
C.Jo
C0d3nigma
Capablanca
CaveiraGamingHD
Champe Cyber
chiv
codeCats
Cơm Chiên Trứng
connorctionlost
CrossBrains
CryH4rd3r
ctfrrteam
Cyber Bull!es
Cyber Cartel
CyberEmpress
D6ath E9ters
Del0n1x
doitc
Dot Group
RPG
elephanto
EPITA_SRS
Espionage X
F1r3ch0
Flagaholic
\o_O/
Forest Tree
FourToOne
FPTU Ethical Hacker Club
Froz3nB1rds
Futakura
g@ngP3N@ng
Gr3ml1ns0fCh405
Greenwich Magic Time
GRUMPY CARACAL'S CTFING
Guinea offensive security
Guns&Brushes
h1nter_r3w3
H4ck3r T34m
hackratic
Hidden Investigations
HippyHeadS
Homer #1
HUNTEX
iamumeshshelke3
InfiLoop
Integrated Hawkers
Jamie's Angels
kalmarunionen
KattangalSec
KittiMarch
Kitty Wizard Money Gang
kiyomi
Knightsec
kx05
Kylar2
L.1.M.A
l0rds
l0st_4ll_h0p3
L3ak
Like Toenail
Lt Kernel
M4SEC
MelR00t
Midnight Operators
MindCrafters
Moss's Angels
n00b_Sec
No CLue
nohackspace
NutBoltStudents
Y3ti@Sec
NYUSEC
OP_EN
0rr0rs
otcysquad
peaches
Platypwnies
Porshnevik
Pwn-la-Chapelle
q1nsh4d0x
Qu4nt1x
R4BB!T$
RedRoom CTF
Rocket Rooks
Sanctuary
say meow
Serious Team Name
SHAOCHI LU
SiBears
SideJackers
st0p_cyb3rbu11ying
Stratford Prep CTF
SU
suɐǝpodᴉʇuɐ
TahSec
Team Dave.
Team-915
Tenesys
Terminal Illness
The Rebellions
theR00ts
Trojeun
tsid
VGU_Cypher
video666
VME_Squad
Void Sec
VSL
WhiteDukesDZ
xeneize
ZACSEC
ZipBomb_
БАГодельня
ПУПУПУ
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