CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
AI CTF 202522 May, 17:00 UTC — 24 May 2025, 09:00 UTCJeopardy On-line 0Individual
Global Cyber Skills Benchmark CTF 2025: Operation Blackout23 May, 13:00 UTC — 27 May 2025, 13:00 UTCJeopardy On-line 24.0074 teams will participate
HACK'OSINT CTF - 202523 May, 19:00 UTC — 25 May 2025, 19:00 UTCJeopardy France 0.0037 teams will participate
NahamCon CTF 202523 May, 19:00 UTC — 25 May 2025, 19:00 UTCJeopardy On-line 53.77110 teams will participate
DaVinciCTF 202524 May, 10:00 UTC — 25 May 2025, 20:00 UTCJeopardy On-line 0.0030 teams will participate
SAS CTF 2025 Quals24 May, 12:00 UTC — 25 May 2025, 12:00 UTCJeopardy On-line 20.7291 teams will participate
D^3CTF 202530 May, 12:00 UTC — 31 May 2025, 12:00 UTCJeopardy On-line 54.6714 teams will participate
Hardwear.io USA 2025 Hardware CTF30 May, 17:00 UTC — 31 May 2025, 20:00 UTCJeopardy US, Santa Clara 0.001 teams will participate
N0PSctf31 May, 08:00 UTC — 01 June 2025, 20:00 UTCJeopardy On-line 24.3448 teams will participate
[POSTPONED] Internet Festival 2025 CTF Quals31 May, 11:00 UTC — 01 June 2025, 11:00 UTCJeopardy On-line 0.004 teams will participate
Grey Cat The Flag 202531 May, 12:00 UTC — 01 June 2025, 12:00 UTCJeopardy On-line 32.9218 teams will participate
MindBreak 2025 by ESGI06 June, 21:00 UTC — 07 June 2025, 06:00 UTCJeopardy Paris, France 0.001 teams will participate
Season V, US Cyber Open Beginner's Game Room CTF06 June, 21:30 UTC — 19 June 2025, 23:59 UTCJeopardy On-line 0Individual
BCACTF 6.007 June, 01:00 UTC — 10 June 2025, 01:00 UTCJeopardy On-line 62.978 teams will participate
DIVER OSINT CTF 202507 June, 03:00 UTC — 08 June 2025, 03:00 UTCJeopardy On-line 0.0019 teams will participate
bi0sCTF 2025 07 June, 05:30 UTC — 08 June 2025, 17:30 UTCJeopardy On-line 95.7998 teams will participate
Goldrush Gauntlet 202507 June, 13:00 UTC — 08 June 2025, 21:00 UTCJeopardy United States, Dahloenga 0.001 teams will participate
DFIR Labs CTF by The DFIR Report07 June, 16:30 UTC — 07 June 2025, 20:30 UTCJeopardy On-line 0Individual
Season V, US Cyber Open Competitive CTF09 June, 20:00 UTC — 19 June 2025, 23:59 UTCJeopardy On-line 0Individual
AMSI CTF 202513 June, 20:00 UTC — 14 June 2025, 18:00 UTCJeopardy Paris 0.000 teams will participate
Crypto CTF 202514 June, 06:00 UTC — 15 June 2025, 06:00 UTCJeopardy On-line 88.2546 teams will participate
Midnight Sun CTF 2025 Finals14 June, 10:00 UTC — 15 June 2025, 10:00 UTCJeopardy Sweden, Stockholm 100.001 teams will participate
CyberSci Nationals 202514 June, 13:00 UTC — 15 June 2025, 23:00 UTCJeopardy Ottawa, Canada 25.004 teams will participate
GPN CTF 202520 June, 10:00 UTC — 21 June 2025, 22:00 UTCJeopardy On-line 46.006 teams will participate
GMO Cybersecurity Contest - IERAE CTF 202521 June, 06:00 UTC — 22 June 2025, 06:00 UTCJeopardy On-line 25.009 teams will participate
MaltaCTF 2025 Quals21 June, 07:00 UTC — 22 June 2025, 07:00 UTCJeopardy On-line 0.004 teams will participate
cornCTF 202521 June, 12:00 UTC — 22 June 2025, 12:00 UTCJeopardy On-line 0.001 teams will participate
Google Capture The Flag 202527 June, 18:00 UTC — 29 June 2025, 18:00 UTCJeopardy On-line 97.17114 teams will participate
BSides Mumbai CTF 202528 June, 10:00 UTC — 29 June 2025, 10:00 UTCJeopardy On-line 0.003 teams will participate
R3CTF 202505 July, 02:00 UTC — 07 July 2025, 02:00 UTCJeopardy On-line 24.5012 teams will participate
L3akCTF 202511 July, 17:00 UTC — 13 July 2025, 17:00 UTCJeopardy On-line 24.4348 teams will participate
UIUCTF 202512 July, 00:00 UTC — 14 July 2025, 00:00 UTCJeopardy On-line 91.4312 teams will participate
smileyCTF 202512 July, 01:00 UTC — 14 July 2025, 01:00 UTCJeopardy On-line 48.618 teams will participate
DownUnderCTF 202518 July, 09:30 UTC — 20 July 2025, 09:30 UTCJeopardy On-line 91.6673 teams will participate
BDSec CTF 202520 July, 15:00 UTC — 21 July 2025, 15:00 UTCJeopardy On-line 0.002 teams will participate
DeadSec CTF 202525 July, 22:00 UTC — 27 July 2025, 22:00 UTCJeopardy On-line 31.296 teams will participate
World Wide CTF 202526 July, 12:00 UTC — 28 July 2025, 12:00 UTCJeopardy On-line 24.4818 teams will participate
idekCTF 202502 Aug., 00:00 UTC — 04 Aug. 2025, 00:00 UTCJeopardy On-line 52.068 teams will participate
justCTF 2025 teaser02 Aug., 06:00 UTC — 03 Aug. 2025, 19:00 UTCJeopardy On-line 97.2045 teams will participate
GaianSpace CTF 202508 Aug., 14:00 UTC — 12 Aug. 2025, 14:00 UTCJeopardy On-line 0.003 teams will participate
WHY2025 CTF08 Aug., 16:00 UTC — 11 Aug. 2025, 16:00 UTCJeopardy On-line 0.002 teams will participate
jailCTF 202515 Aug., 20:00 UTC — 18 Aug. 2025, 20:00 UTCJeopardy On-line 24.883 teams will participate
SekaiCTF 202516 Aug., 01:00 UTC — 18 Aug. 2025, 01:00 UTCJeopardy On-line 55.0021 teams will participate
RCTF 202520 Aug., 10:00 UTC — 22 Aug. 2025, 10:00 UTCJeopardy On-line 0.000 teams will participate
HITCON CTF 202522 Aug., 14:00 UTC — 24 Aug. 2025, 14:00 UTCJeopardy On-line 100.004 teams will participate
NNS CTF 202529 Aug., 16:00 UTC — 31 Aug. 2025, 16:00 UTCJeopardy On-line 0.006 teams will participate
corCTF 202530 Aug., 00:00 UTC — 01 Sept. 2025, 00:00 UTCJeopardy On-line 82.005 teams will participate
ASIS CTF Quals 202506 Sept., 14:00 UTC — 07 Sept. 2025, 14:00 UTCJeopardy On-line 96.2922 teams will participate
MaltaCTF 2025 Finals13 Sept., 10:00 UTC — 14 Sept. 2025, 10:00 UTCJeopardy Valletta, Malta 0.000 teams will participate
CrewCTF 202519 Sept., 21:00 UTC — 21 Sept. 2025, 21:00 UTCJeopardy On-line 38.938 teams will participate
Iran Tech Olympics CTF 202526 Sept., 13:00 UTC — 27 Sept. 2025, 19:00 UTCJeopardy On-line 0.001 teams will participate
FAUST CTF 202527 Sept., 12:00 UTC — 27 Sept. 2025, 21:00 UTCAttack-Defense On-line 92.503 teams will participate
Equinor CTF 202508 Nov., 09:00 UTC — 08 Nov. 2025, 19:00 UTCJeopardy Norway, Oslo 37.003 teams will participate
Platypwn 202515 Nov., 12:00 UTC — 16 Nov. 2025, 12:00 UTCJeopardy On-line 33.295 teams will participate
GlacierCTF 202522 Nov., 18:00 UTC — 23 Nov. 2025, 18:00 UTCJeopardy On-line 52.579 teams will participate
WP CTF 202529 Nov., 08:00 UTC — 29 Nov. 2025, 16:00 UTCJeopardy NOI Techark, Bolzano, Italy 0.001 teams will participate
ASIS CTF Final 202527 Dec., 14:00 UTC — 28 Dec. 2025, 14:00 UTCJeopardy On-line 100.0020 teams will participate