CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
CyberKumbez 202517 Sept., 10:00 UTC — 19 Sept. 2025, 16:00 UTCAttack-Defense Astana, Kazakhstan 0.0019 teams will participate
VolgaCTF 2025 Final18 Sept., 06:00 UTC — 18 Sept. 2025, 15:00 UTCAttack-Defense Russia. Samara 12.4014 teams will participate
K17 CTF19 Sept., 08:00 UTC — 21 Sept. 2025, 08:00 UTCJeopardy On-line 0.0038 teams will participate
CrewCTF 202519 Sept., 21:00 UTC — 21 Sept. 2025, 21:00 UTCJeopardy On-line 38.9369 teams will participate
Ctrl+Space CTF Quals20 Sept., 09:00 UTC — 21 Sept. 2025, 08:59 UTCJeopardy On-line 0.0021 teams will participate
CDCTF 202520 Sept., 15:00 UTC — 21 Sept. 2025, 03:00 UTCJeopardy On-line 0.0013 teams will participate
HackornCTF 2025 Quals25 Sept., 00:00 UTC — 25 Sept. 2025, 23:59 UTCJeopardy On-line 0Individual
Iran Tech Olympics CTF 202526 Sept., 13:00 UTC — 27 Sept. 2025, 13:00 UTCJeopardy On-line 0.0033 teams will participate
FAUST CTF 202527 Sept., 12:00 UTC — 27 Sept. 2025, 21:00 UTCAttack-Defense On-line 92.5060 teams will participate
SunshineCTF 202527 Sept., 14:00 UTC — 29 Sept. 2025, 14:00 UTCJeopardy On-line 51.6523 teams will participate
DFIR Labs Digital Forensics Challenge by The DFIR Report27 Sept., 16:30 UTC — 27 Sept. 2025, 20:30 UTCJeopardy On-line 0Individual
jailCTF 202503 Oct., 20:00 UTC — 06 Oct. 2025, 20:00 UTCJeopardy On-line 24.8827 teams will participate
Securinets CTF Quals 202504 Oct., 13:00 UTC — 05 Oct. 2025, 21:00 UTCJeopardy On-line 70.5033 teams will participate
Standoff Cyberbattle 1606 Oct., 06:00 UTC — 08 Oct. 2025, 15:00 UTCAttack-Defense On-line 0.003 teams will participate
AmateursCTF 202511 Oct., 00:00 UTC — 15 Oct. 2025, 00:00 UTCJeopardy On-line 36.0023 teams will participate
QnQSec CTF 202516 Oct., 18:00 UTC — 19 Oct. 2025, 18:00 UTCJeopardy On-line 0.0010 teams will participate
HITCON Cyber Range 2025 Final17 Oct., 01:00 UTC — 17 Oct. 2025, 10:00 UTCJeopardy Taipei, Taiwan 0.001 teams will participate
Hack.lu CTF 202517 Oct., 18:00 UTC — 19 Oct. 2025, 18:00 UTCJeopardy On-line 98.0223 teams will participate
LINE CTF 202518 Oct., 00:00 UTC — 18 Oct. 2025, 00:00 UTCJeopardy On-line 0.0010 teams will participate
RSTCON 2025 CTF24 Oct., 19:00 UTC — 26 Oct. 2025, 14:00 UTCJeopardy On-line 24.0011 teams will participate
osu!gaming CTF 202525 Oct., 02:00 UTC — 27 Oct. 2025, 02:00 UTCJeopardy On-line 0.0021 teams will participate
SAS CTF 2025 Finals26 Oct., 03:00 UTC — 26 Oct. 2025, 14:00 UTCAttack-Defense Khao Lak, Thailand 25.007 teams will participate
Iran Tech Olympics Attack-Defense 202527 Oct., 06:30 UTC — 27 Oct. 2025, 18:30 UTCAttack-Defense Tehran, Iran 0.000 teams will participate
Iran Tech Olympics Hardware Security 202528 Oct., 06:30 UTC — 28 Oct. 2025, 18:30 UTCJeopardy Tehran, Iran 0.001 teams will participate
Iran Tech Olympics Speed-Run CTF 202529 Oct., 06:30 UTC — 29 Oct. 2025, 06:30 UTCJeopardy Tehran, Iran 0Individual
PH03N1X V1P3R N0V4 CTF29 Oct., 10:00 UTC — 31 Oct. 2025, 17:00 UTCJeopardy Timisoara, România 0.000 teams will participate
N1CTF 202501 Nov., 12:00 UTC — 02 Nov. 2025, 12:00 UTCJeopardy On-line 94.5015 teams will participate
CTF@AC - Finals07 Nov., 15:00 UTC — 09 Nov. 2025, 09:00 UTCJeopardy Polytechnic University of Timisoara 0.00
Infobahn CTF 202507 Nov., 17:00 UTC — 09 Nov. 2025, 17:00 UTCJeopardy On-line 0.007 teams will participate
BuckeyeCTF 202508 Nov., 01:00 UTC — 10 Nov. 2025, 01:00 UTCJeopardy On-line 50.008 teams will participate
Equinor CTF 202508 Nov., 09:00 UTC — 08 Nov. 2025, 19:00 UTCJeopardy Norway, Oslo 37.0012 teams will participate
saarCTF 202508 Nov., 13:00 UTC — 08 Nov. 2025, 22:00 UTCAttack-Defense On-line 97.2214 teams will participate
GaianSpace CTF 202514 Nov., 14:00 UTC — 17 Nov. 2025, 14:00 UTCJeopardy On-line 0.0010 teams will participate
Platypwn 202515 Nov., 09:00 UTC — 16 Nov. 2025, 21:00 UTCJeopardy On-line 33.2917 teams will participate
Crate-CTF 202515 Nov., 13:00 UTC — 15 Nov. 2025, 21:00 UTCJeopardy On-line 25.0011 teams will participate
GlacierCTF 202522 Nov., 18:00 UTC — 23 Nov. 2025, 18:00 UTCJeopardy On-line 52.5726 teams will participate
HeroCTF v728 Nov., 20:00 UTC — 30 Nov. 2025, 22:00 UTCJeopardy On-line 65.007 teams will participate
WP CTF 202529 Nov., 08:00 UTC — 29 Nov. 2025, 16:00 UTCJeopardy NOI Techark, Bolzano, Italy 0.0011 teams will participate
BlackHat MEA CTF Final 202502 Dec., 08:00 UTC — 04 Dec. 2025, 15:00 UTCJeopardy Riyadh 22.50Prequalified teams only0 teams will participate
BackdoorCTF 202506 Dec., 12:00 UTC — 08 Dec. 2025, 12:00 UTCJeopardy On-line 71.352 teams will participate
niteCTF 202512 Dec., 12:00 UTC — 14 Dec. 2025, 12:00 UTCJeopardy On-line 39.877 teams will participate
SECCON CTF 14 Quals13 Dec., 05:00 UTC — 14 Dec. 2025, 05:00 UTCJeopardy On-line 100.0019 teams will participate
TSG CTF 202520 Dec., 07:00 UTC — 21 Dec. 2025, 07:00 UTCJeopardy On-line 25.007 teams will participate
ASIS CTF Final 202527 Dec., 14:00 UTC — 28 Dec. 2025, 14:00 UTCJeopardy On-line 100.0046 teams will participate