CTF Time

Name: Operation Cipher Shadows (an Operation Cipher Shadows event.)
Date: April 12, 2025, 5 p.m. — 13 April 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://discord.gg/JQ3RGuhPkq
Rating weight: 0.00
Event organizers: IIT JAMMU

Name: SECPlayground Cybersplash 2025 (an SECPlayground CTF event.)
Date: April 18, 2025, 2 a.m. — 19 April 2025, 02:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: https://lobby-ctf.secplayground.com/lobby
Offical URL: https://lobby-ctf.secplayground.com/lobby/df6ff4f1-4187-472e-979d-b45ebc7f236d
Rating weight: 0.00
Event organizers: SECPlayground

Name: Haruulzangi U18 2025 Domestic Quals (an Haruulzangi CTF event.)
Date: April 26, 2025, noon — 26 April 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://u18-2025.haruulzangi.mn/
Rating weight: 0.00
Event organizers: haruulzangi-organizers

Name: WOCS'hAck 4d edition (an WOCS'hAck event.)
Date: April 26, 2025, 2 p.m. — 27 April 2025, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://wocshack.org/
Rating weight: 0.00
Event organizers: WOCSA

Name: CU school CTF 2025 (an CU school CTF event.)
Date: April 30, 2025, 8 a.m. — 30 April 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Moscow, Central University
Offical URL: https://game.cut-ctf.team/
Rating weight: 0.00
Event organizers: CUT

Name: Nexzero.Ftc (an NexZero CTF event.)
Date: May 1, 2025, 8 p.m. — 03 May 2025, 19:44 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Algeria
Offical URL: https://nexzero-ftc.vercel.app/
Rating weight: 0.00
Event organizers: Nexus Team

Name: LakeCTF Finals 24-25 (an LakeCTF event.)
Date: May 9, 2025, 8 a.m. — 09 May 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: EPFL Lausanne
Offical URL: https://lakectf.epfl.ch/
Rating weight: 36.00
Event organizers: polygl0ts

Name: RPCA CTF 2025 (an RPCA CTF event.)
Date: May 2, 2025, 5 p.m. — 05 May 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Royal Police Cadet Academy, Thailand
Offical URL: https://grandctf.rpca.ac.th/
Rating weight: 54.00
Event organizers: RPCA Cyber Club

Name: DevSecOps CTF 2025 (an Punk Security DevSecOps birthday CTF event.)
Date: May 4, 2025, 10 a.m. — 04 May 2025, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.punksecurity.co.uk/
Rating weight: 37.00
Event organizers: Punk Security

Name: TsukuCTF 2025 (an TsukuCTF event.)
Date: May 3, 2025, 3 a.m. — 04 May 2025, 03:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://tsukuctf.org/
Rating weight: 0.00
Event organizers: TaruTaru

Name: UniVsThreats 25 CTF (an UniVsThreats CTF event.)
Date: May 3, 2025, 10 a.m. — 04 May 2025, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Timisoara , Romania
Offical URL: https://univsthreats-2025.cyber-edu.co/?tenant=cyberedu
Rating weight: 18.35
Event organizers: UVT-CTF

Name: SpringForwardCTF 2025 (cancelled) (an SpookyCTF event.)
Date: May 2, 2025, 4 p.m. — 03 May 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://the-event-is-cancelled.com/
Rating weight: 24.20
Event organizers: NICC

Name: CSCG 2025 (an CSCG event.)
Date: March 1, 2025, 5 p.m. — 01 May 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://play.cscg.live/
Rating weight: 0
Event organizers: NFITS

Name: ICCSDFAI (an ICCSDFAI CTF event.)
Date: April 29, 2025, 11 a.m. — 30 April 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Astana, Kazakhstan
Offical URL: https://ctf.astanait.edu.kz/
Rating weight: 0.00
Event organizers: HackOrda

Name: Incognito 6.0 (an INCOGNITO event.)
Date: April 28, 2025, midnight — 29 April 2025, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://incognito.axiosiiitl.dev/
Rating weight: 30.43
Event organizers: Byt3Scr4pp3rs

Name: CTF@CIT 2025 (an CTF@CIT event.)
Date: April 25, 2025, 9 p.m. — 27 April 2025, 19:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.cyber-cit.club/
Rating weight: 24.57
Event organizers: HACK@CIT

Name: UMDCTF 2025 (an UMDCTF event.)
Date: April 25, 2025, 10 p.m. — 27 April 2025, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://umdctf.io/
Rating weight: 70.86
Event organizers: UMDCSEC

Name: BSidesSF 2025 CTF (an BSidesSF CTF event.)
Date: April 25, 2025, 11 p.m. — 27 April 2025, 23:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: San Francisco, CA
Offical URL: https://ctf.bsidessf.net/
Rating weight: 25.00
Event organizers: BSidesSF

Name: Azure Assassin Alliance CTF 2025 (an Azure Assassin Alliance CTF event.)
Date: April 26, 2025, 1 a.m. — 27 April 2025, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://actf2025.xctf.org.cn/
Rating weight: 35.00
Event organizers: 欸欸欸

Name: HACKTHEON SEJONG 2025 Preliminaries (an HACKTHEON SEJONG event.)
Date: April 26, 2025, midnight — 26 April 2025, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://hacktheon.org/
Rating weight: 0.00
Event organizers: Sejong City Hall