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...
Name: RCTF 2025
Date: 15 Nov., 02:00 UTC — 17 Nov. 2025, 02:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 4 teams will participate
More info: https://ctftime.org/event/2992
Date: 15 Nov., 02:00 UTC — 17 Nov. 2025, 02:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 4 teams will participate
More info: https://ctftime.org/event/2992
ctftime.org
RCTF 2025
RCTF 2025 is a Jeopardy-style Online Capture The Flag Competition presented by ROIS（Researcher Of Information Securit...
Name: Ukrainian National CTF
Date: 20 Nov., 00:00 UTC — 01 Dec. 2025, 00:00 UTC
Format: Hack quest
Location: On-line
Weight: 0
Notes: 1 teams will participate
More info: https://ctftime.org/event/3007
Date: 20 Nov., 00:00 UTC — 01 Dec. 2025, 00:00 UTC
Format: Hack quest
Location: On-line
Weight: 0
Notes: 1 teams will participate
More info: https://ctftime.org/event/3007
ctftime.org
Ukrainian National CTF
A global, open-to-all CTF dedicated to sharpening offensive and defensive skills through real-world, national cyber i...
😁1
Name: Hardwear.io NL 2025 Hardware CTF
Date: 20 Nov., 09:00 UTC — 21 Nov. 2025, 12:50 UTC
Format: Jeopardy
Location: NL, Amsterdam
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/3002
Date: 20 Nov., 09:00 UTC — 21 Nov. 2025, 12:50 UTC
Format: Jeopardy
Location: NL, Amsterdam
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/3002
ctftime.org
Hardwear.io NL 2025 Hardware CTF
Eight edition of the Hardware CTF for <a href="https://hardwear.io/">Hardwear.io</a> NL 2025.
We've got plenty of ch...
We've got plenty of ch...
Name: MetaCTF November 2025 Flash CTF
Date: 20 Nov., 22:00 UTC — 21 Nov. 2025, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/3010
Date: 20 Nov., 22:00 UTC — 21 Nov. 2025, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/3010
ctftime.org
MetaCTF November 2025 Flash CTF
A monthly CTF hosted by MetaCTF and supported by Antisyphon Training, TCM Security, and Simply Cyber Academy. There w...
Name: sknbCTF 2025
Date: 22 Nov., 03:00 UTC — 23 Nov. 2025, 03:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 4 teams will participate
More info: https://ctftime.org/event/2947
Date: 22 Nov., 03:00 UTC — 23 Nov. 2025, 03:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 4 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: CTFZone 2025 Final
Date: 22 Nov., 09:00 UTC — 22 Nov. 2025, 17:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 96.90
Notes: 0 teams will participate
More info: https://ctftime.org/event/2972
Date: 22 Nov., 09:00 UTC — 22 Nov. 2025, 17:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 96.90
Notes: 0 teams will participate
More info: https://ctftime.org/event/2972
ctftime.org
CTFZone 2025 Final
We are happy to announce final Attack-Defense stage of CTFZONE 2025.
Three lucky winners will receive $10000, $500...
Three lucky winners will receive $10000, $500...
Name: CyberSci Regional Qualifiers 2025-26
Date: 22 Nov., 15:00 UTC — 22 Nov. 2025, 22:00 UTC
Format: Jeopardy
Location: Onsite at 6 locations in Canada
Weight: 25.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2909
Date: 22 Nov., 15:00 UTC — 22 Nov. 2025, 22:00 UTC
Format: Jeopardy
Location: Onsite at 6 locations in Canada
Weight: 25.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/2909
ctftime.org
CyberSci Regional Qualifiers 2025-26
CyberSci is Canada's national Cyber Security Challenge for university and college students.
- Think you've got an el...
- Think you've got an el...
Name: Infosec University Hackathon 2025
Date: 23 Nov., 02:00 UTC — 23 Nov. 2025, 07:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/3008
Date: 23 Nov., 02:00 UTC — 23 Nov. 2025, 07:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0
Notes: Individual
More info: https://ctftime.org/event/3008
ctftime.org
Infosec University Hackathon 2025
? Join India’s Premier Virtual Cyber Security Hackathon! ?
We are excited to announce the return of the Infosec Univ...
We are excited to announce the return of the Infosec Univ...