Name: DEADFACE CTF 2025
Date: 25 Oct., 14:00 UTC — 27 Oct. 2025, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2912
Date: 25 Oct., 14:00 UTC — 27 Oct. 2025, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2912
ctftime.org
DEADFACE CTF 2025
DEADFACE CTF 2025 is a free, online, jeopardy-style Capture the Flag competition that immerses players in the ongoing...
Name: V1t CTF 2025
Date: 31 Oct., 13:00 UTC — 02 Nov. 2025, 13:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2920
Date: 31 Oct., 13:00 UTC — 02 Nov. 2025, 13:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2920
ctftime.org
V1t CTF 2025
V1t CTF 2025 is a beginner-friendly and intermediate Capture The Flag competition organized by V1t. The event will be...
Name: Haunted Pumpkin CTF '25
Date: 31 Oct., 17:00 UTC — 01 Nov. 2025, 22:59 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2918
Date: 31 Oct., 17:00 UTC — 01 Nov. 2025, 22:59 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2918
ctftime.org
Haunted Pumpkin CTF '25
Something is brewing up… and it smells like… a CTF!
A strange stir echoes in the shadows… a terrifying scream in the...
A strange stir echoes in the shadows… a terrifying scream in the...
Name: Hackloween 2025
Date: 01 Nov., 02:00 UTC — 02 Nov. 2025, 02:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2914
Date: 01 Nov., 02:00 UTC — 02 Nov. 2025, 02:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2914
ctftime.org
Hackloween 2025
Halloween's coming up, and so is a spooky, brain-bending challenge! ??
Get ready for Hackloween 2025, a capture-th...
Get ready for Hackloween 2025, a capture-th...
Name: sknbCTF 2025
Date: 08 Nov., 03:00 UTC — 09 Nov. 2025, 03:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2947
Date: 08 Nov., 03:00 UTC — 09 Nov. 2025, 03:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2947
ctftime.org
sknbCTF 2025
sknbCTFは日本のCTFチームである「sknb」が主催するサイバーセキュリティコンテストです。
sknbCTF is a cybersecurity contest hosted by the Japanese CTF team...
sknbCTF is a cybersecurity contest hosted by the Japanese CTF team...
Name: POC CTF Final 2025
Date: 13 Nov., 23:00 UTC — 14 Nov. 2025, 06:00 UTC
Format: Jeopardy
Location: Four Seasons Hotel in Seoul, Korea
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/2956
Date: 13 Nov., 23:00 UTC — 14 Nov. 2025, 06:00 UTC
Format: Jeopardy
Location: Four Seasons Hotel in Seoul, Korea
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/2956
ctftime.org
POC CTF Final 2025
Power Of Community – POC CTF 2025
The competition will take place over two days, on November 13 and 14
Four Seas...
The competition will take place over two days, on November 13 and 14
Four Seas...
Name: Curiosity CTF 2025
Date: 14 Nov., 20:00 UTC — 16 Nov. 2025, 20:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2899
Date: 14 Nov., 20:00 UTC — 16 Nov. 2025, 20:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2899
ctftime.org
Curiosity CTF 2025
Curiosity CTF 2025 is the first edition of a Jeopardy-style online CTF organized by Team Curiosity.
Expect challenge...
Expect challenge...
Name: TU Delft CTF 2025
Date: 15 Nov., 08:00 UTC — 15 Nov. 2025, 16:00 UTC
Format: Jeopardy
Location: The Netherlands, Delft
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2953
Date: 15 Nov., 08:00 UTC — 15 Nov. 2025, 16:00 UTC
Format: Jeopardy
Location: The Netherlands, Delft
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2953
ctftime.org
TU Delft CTF 2025
The CTF Team of the Delft University of Technology is hosting its yearly CTF in-person on the TU Delft campus on Nove...
Name: PwnSec CTF 2025
Date: 15 Nov., 15:00 UTC — 16 Nov. 2025, 15:00 UTC
Format: Jeopardy
Location: On-line
Weight: 23.92
Notes: 0 teams will participate
More info: https://ctftime.org/event/2906
Date: 15 Nov., 15:00 UTC — 16 Nov. 2025, 15:00 UTC
Format: Jeopardy
Location: On-line
Weight: 23.92
Notes: 0 teams will participate
More info: https://ctftime.org/event/2906
ctftime.org
PwnSec CTF 2025
PwnSec is proud to present its 2nd edition CTF. Tune in for some jeopardy madness built by our team featuring web, cr...
Name: PatriotCTF 2025
Date: 21 Nov., 18:00 UTC — 23 Nov. 2025, 18:00 UTC
Format: Jeopardy
Location: On-line
Weight: 42.42
Notes: 6 teams will participate
More info: https://ctftime.org/event/2850
Date: 21 Nov., 18:00 UTC — 23 Nov. 2025, 18:00 UTC
Format: Jeopardy
Location: On-line
Weight: 42.42
Notes: 6 teams will participate
More info: https://ctftime.org/event/2850
ctftime.org
PatriotCTF 2025
**The Time listed on CTF Time is incorrect! PCTF will start at 6:00 PM EST November 21 and end at 6:00 PM EST Novemb...
Name: RUSEC CTF 2025
Date: 05 Dec., 04:00 UTC — 07 Dec. 2025, 04:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2908
Date: 05 Dec., 04:00 UTC — 07 Dec. 2025, 04:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2908
Name: Null CTF 2025
Date: 05 Dec., 15:00 UTC — 07 Dec. 2025, 15:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2901
Date: 05 Dec., 15:00 UTC — 07 Dec. 2025, 15:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2901
ctftime.org
Null CTF 2025
Null CTF is an online 48-hour Jeopardy-style Capture The Flag competition at its first edition organized by team > r0...
Name: WannaGame Championship 2025
Date: 06 Dec., 01:00 UTC — 08 Dec. 2025, 01:00 UTC
Format: Jeopardy
Location: On-line
Weight: 29.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2898
Date: 06 Dec., 01:00 UTC — 08 Dec. 2025, 01:00 UTC
Format: Jeopardy
Location: On-line
Weight: 29.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2898
ctftime.org
WannaGame Championship 2025
WannaGame Championship is an annual CTF hosted by VNUHCM - University of Information Technology.
This is a Jeopard...
This is a Jeopard...
Name: hxp 39C3 CTF
Date: 27 Dec., 20:00 UTC — 29 Dec. 2025, 20:00 UTC
Format: Jeopardy
Location: On-line
Weight: 98.14
Notes: 0 teams will participate
More info: https://ctftime.org/event/2924
Date: 27 Dec., 20:00 UTC — 29 Dec. 2025, 20:00 UTC
Format: Jeopardy
Location: On-line
Weight: 98.14
Notes: 0 teams will participate
More info: https://ctftime.org/event/2924
ctftime.org
hxp 39C3 CTF
It’s that time of the year again and December is fast approaching. We are happy to announce this year’s hxp 39C3 CTF,...
Name: Haix-la-Chapelle 2025
Date: 29 Nov., 09:00 UTC — 30 Nov. 2025, 09:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2951
Date: 29 Nov., 09:00 UTC — 30 Nov. 2025, 09:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2951
Name: AmateursCTF 2025
Date: 14 Nov., 00:00 UTC — 18 Nov. 2025, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 94 teams will participate
More info: https://ctftime.org/event/2844
Date: 14 Nov., 00:00 UTC — 18 Nov. 2025, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 94 teams will participate
More info: https://ctftime.org/event/2844
ctftime.org
AmateursCTF 2025
Third iteration of Amateurs CTF!
Join our discord for more details: discord.gg/gCX22asy65
Email: contact@amateu...
Join our discord for more details: discord.gg/gCX22asy65
Email: contact@amateu...
Name: BSides Algiers 2025
Date: 18 Dec., 19:00 UTC — 20 Dec. 2025, 07:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 3 teams will participate
More info: https://ctftime.org/event/2962
Date: 18 Dec., 19:00 UTC — 20 Dec. 2025, 07:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 3 teams will participate
More info: https://ctftime.org/event/2962
ctftime.org
BSides Algiers 2025
BSides Algiers 2025 CTF, a jeopardy-style CTF featuring intermediate to extreme challenges on reverse-engineering, bi...
Name: snakeCTF 2025 Finals
Date: 20 Nov., 08:00 UTC — 23 Nov. 2025, 13:00 UTC
Format: Jeopardy
Location: Lignano Sabbiadoro, Udine, Italy
Weight: 0.00
Notes: Unknown
More info: https://ctftime.org/event/2994
Date: 20 Nov., 08:00 UTC — 23 Nov. 2025, 13:00 UTC
Format: Jeopardy
Location: Lignano Sabbiadoro, Udine, Italy
Weight: 0.00
Notes: Unknown
More info: https://ctftime.org/event/2994
Name: CSAW CTF Final Round 2025
Date: 06 Nov., 17:00 UTC — 08 Nov. 2025, 05:00 UTC
Format: Jeopardy
Location: United States, New York, New York
Weight: 25.00
Notes: 2 teams will participate
More info: https://ctftime.org/event/2982
Date: 06 Nov., 17:00 UTC — 08 Nov. 2025, 05:00 UTC
Format: Jeopardy
Location: United States, New York, New York
Weight: 25.00
Notes: 2 teams will participate
More info: https://ctftime.org/event/2982
ctftime.org
CSAW CTF Final Round 2025
CSAW CTF is one of the oldest and biggest CTFs. Designed as an entry-level, jeopardy-style CTF, this competition is f...
Name: Guardians of the TI
Date: 14 Nov., 09:00 UTC — 14 Nov. 2025, 17:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 11 teams will participate
More info: https://ctftime.org/event/3006
Date: 14 Nov., 09:00 UTC — 14 Nov. 2025, 17:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 11 teams will participate
More info: https://ctftime.org/event/3006
ctftime.org
Guardians of the TI
Das 5. TI Capture the Flag Event der gematik am 14.11.2025.
KIM & TI-M haben es geschafft – die Drahtzieher sind i...
KIM & TI-M haben es geschafft – die Drahtzieher sind i...
Name: Layer7 CTF 2025
Date: 15 Nov., 01:00 UTC — 16 Nov. 2025, 01:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/2990
Date: 15 Nov., 01:00 UTC — 16 Nov. 2025, 01:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/2990
ctftime.org
Layer7 CTF 2025
Layer7, the security club at Sunrin Internet High School, is celebrating 15 years of running CTFs and offensive secur...