CTF Time

Name: No Hack No CTF 2025 (an No Hack No CTF event.)
Date: July 5, 2025, 8 a.m. — 07 July 2025, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://nhnc.ic3dt3a.org/
Rating weight: 0
Event organizers: ICEDTEA

Name: CubeCTF (an CubeCTF event.)
Date: July 4, 2025, 10:16 p.m. — 07 July 2025, 00:25 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cubectf.com/
Rating weight: 0
Event organizers: CubeMastery

Name: R3CTF 2025 (an R3CTF event.)
Date: July 5, 2025, 2 a.m. — 07 July 2025, 02:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf2025.r3kapig.com/
Rating weight: 24.50
Event organizers: r3kapig

Name: Impossible Mission Force Capture The Flag (an IMF CTF event.)
Date: July 5, 2025, 7 a.m. — 06 July 2025, 20:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Online
Offical URL: https://missionimpossiblectf2025.vercel.app/
Rating weight: 0
Event organizers: IMFCTF

Name: BlitzCTF (an BlitzCTF event.)
Date: July 5, 2025, 2:30 p.m. — 07 July 2025, 02:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.blitzhack.xyz/
Rating weight: 23.20
Event organizers: OSCTF

Name: Cyber Arena (an Cyber Arena event.)
Date: July 5, 2025, 10:04 a.m. — 06 July 2025, 10:04 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://csem.sturtles.in/events/1/
Rating weight: 0
Event organizers: Super_Hacker

Name: Junior.Crypt.2025 CTF (an .. Junior.Crypt CTF event.)
Date: July 1, 2025, 8 a.m. — 03 July 2025, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://ctf-spcs.mf.grsu.by/
Rating weight: 23.13
Event organizers: Beavers0

Name: Hack The System - Bug Bounty CTF (an Hack The Box CTF event.)
Date: June 27, 2025, 1 p.m. — 29 June 2025, 19:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.hackthebox.com/
Rating weight: 24.00
Event organizers: Hack The Box

Name: Google Capture The Flag 2025 (an Google Capture The Flag event.)
Date: June 27, 2025, 6 p.m. — 29 June 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://g.co/ctf
Rating weight: 97.17
Event organizers: Google CTF

Name: Involuntary CTF 2025 (an involuntaryCTF event.)
Date: June 27, 2025, 6 p.m. — 29 June 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://involuntaryctf.net/
Rating weight: 0
Event organizers: inv0luntary

Name: Wicked6: Attack & Defense Tournament 2025 (an PlayCyber event.)
Date: March 30, 2025, 1 p.m. — 30 March 2025, 20:00 UTC  [add to calendar]
Format: Attack-Defense
On-line
Offical URL: https://www.wicked6.com/tournament
Rating weight: 0.00
Event organizers: Play Cyber

Name: UNbreakable International 2024 - Team Phase (an UNbreakable International event.)
Date: April 11, 2025, 10 a.m. — 13 April 2025, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://unr25t-international.cyber-edu.co/
Rating weight: 24.82
Event organizers: bitsentinel

Name: Hack'In 0x04 (an Hack'In event.)
Date: June 14, 2025, 3 p.m. — 15 June 2025, 06:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: 2 Rue de la Fourane 13090 Aix-en-Provence, France
Offical URL: https://hackin.fr/
Rating weight: 0.00
Event organizers: Hacky'Nov

Name: MetaCTF June 2025 Flash CTF (an MetaCTF event.)
Date: June 26, 2025, 9 p.m. — 26 June 2025, 23:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Online
Offical URL: https://mctf.io/jun2024
Rating weight: 0
Event organizers: MetaCTF

Name: BSides Mumbai CTF 2025 (an BSides Mumbai event.)
Date: June 28, 2025, 10 a.m. — 29 June 2025, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.bsidesmumbai.in/
Rating weight: 0.00
Event organizers: DarkArmy

Name: AppSec-IL CTF 2025 (an OWASL-IL CTF event.)
Date: June 2, 2025, 5 p.m. — 04 June 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://owasp.org/www-chapter-israel/
Rating weight: 0.00
Event organizers: OWASP-IL

Name: BCACTF 6.0 (an BCACTF event.)
Date: June 21, 2025, 1:30 a.m. — 24 June 2025, 01:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://www.bcactf.com/
Rating weight: 62.97
Event organizers: BCACTF

Name: cornCTF 2025 (an cornCTF event.)
Date: June 21, 2025, noon — 22 June 2025, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cornc.tf/
Rating weight: 23.12
Event organizers: pwnlentoni

Name: IERAE CTF 2025 - GMO Cybersecurity Contest (an IERAE CTF event.)
Date: June 21, 2025, 6 a.m. — 22 June 2025, 06:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://gmo-cybersecurity.com/event/ieraectf25/
Rating weight: 25.00
Event organizers: ierae

Name: MaltaCTF 2025 Quals (an MaltaCTF event.)
Date: June 21, 2025, 7 a.m. — 22 June 2025, 07:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://quals.2025.ctf.mt/
Rating weight: 24.95
Event organizers: if this doesn't work we'll get more for next year