CTF Time

Name: UMassCTF 2025 (an UMassCTF event.)
Date: April 18, 2025, 6 p.m. — 21 April 2025, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.umasscybersec.org/
Rating weight: 48.38
Event organizers: SavedByTheShell

Name: b01lers CTF 2025 (an b01lers CTF event.)
Date: April 18, 2025, 11 p.m. — 20 April 2025, 23:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://b01lersc.tf/
Rating weight: 44.50
Event organizers: b01lers

Name: CPCTF 2025 (an CPCTF event.)
Date: April 18, 2025, 11 a.m. — 20 April 2025, 11:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cpctf.space/
Rating weight: 0
Event organizers: traP

Name: DawgCTF 2025 (an DawgCTF event.)
Date: April 18, 2025, noon — 20 April 2025, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://metactf.com/join/dawgctf25
Rating weight: 69.00
Event organizers: UMBC Cyber Dawgs

Name: T-CTF 2025 (an T-CTF event.)
Date: April 19, 2025, 6 a.m. — 20 April 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://t-ctf.ru/
Rating weight: 24.60
Event organizers: SPbCTF

Name: 2025 Embedded Capture the Flag (an MITRE eCTF event.)
Date: Jan. 15, 2025, 5 p.m. — 16 April 2025, 16:00 UTC  [add to calendar]
Format: Attack-Defense
On-line
Offical URL: https://ectf.mitre.org/
Rating weight: 0
Event organizers: ectfmitre

Name: DEF CON CTF Qualifier 2025 (an DEF CON CTF Qualifier event.)
Date: April 12, 2025, midnight — 14 April 2025, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://nautilus.institute/
Rating weight: 69.44
Event organizers: Nautilus Institute

Name: Texas Security Awareness Week 2025 (an TexSAW event.)
Date: April 11, 2025, 7 p.m. — 13 April 2025, 19:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.texsaw.org/
Rating weight: 31.00
Event organizers: CSG

Name: Midnight Flag CTF - INSURRECTION (an Midnight Flag CTF - INSURRECTION event.)
Date: April 12, 2025, 8 a.m. — 13 April 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Offical URL: https://midnightflag.fr/
Rating weight: 24.50
Event organizers: Midnight Flag - INFEKTION

Name: THCon 2K25 CTF (an THCon CTF event.)
Date: April 12, 2025, 8 a.m. — 13 April 2025, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://thcon.party/
Rating weight: 23.65
Event organizers: FirewallFoxes pony7

Name: SummitCTF 2025 (an SummitCTF 2025 event.)
Date: April 12, 2025, 2 p.m. — 13 April 2025, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://summitctf.org/
Rating weight: 0.00
Event organizers: CyberVT

Name: 1753CTF 2025 (an 1753CTF event.)
Date: April 11, 2025, 5 p.m. — 12 April 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://1753ctf.com/
Rating weight: 34.82
Event organizers: 1753c

Name: PwnMe CTF Finals 2025 (an PwnMe CTF event.)
Date: April 12, 2025, 10 a.m. — 12 April 2025, 20:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Montigny-le-bretonneux
Offical URL: https://pwnme.fr/
Rating weight: 0.00
Event organizers: PHREAKS 2600

Name: Dreamhack Invitational 2025 (an Dreamhack Invitational event.)
Date: April 8, 2025, midnight — 08 April 2025, 21:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: COEX, Seoul, South Korea
Offical URL: https://dreamhack.io/
Rating weight: 0
Event organizers: Dreamhack

Name: PlaidCTF 2025 (an PlaidCTF event.)
Date: April 4, 2025, 9 p.m. — 06 April 2025, 21:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://plaidctf.com/
Rating weight: 100.00
Event organizers: Plaid Parliament of Pwning

Name: squ1rrel CTF 2025 (an squ1rrel CTF event.)
Date: April 4, 2025, 11 p.m. — 06 April 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.squ1rrel.dev/
Rating weight: 24.25
Event organizers: squ1rrel

Name: Ulisse CTF 2025 (an Ulisse CTF event.)
Date: April 5, 2025, 5 p.m. — 06 April 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://2025.ulis.se/
Rating weight: 24.81
Event organizers: UlisseLabBO

Name: Breach CTF 2025 (an BreachCTF event.)
Date: April 5, 2025, 2:30 a.m. — 06 April 2025, 02:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://www.breachers.in/
Rating weight: 23.77
Event organizers: IITBreachers

Name: Moscow CTF School 2025 (an Moscow CTF School event.)
Date: April 5, 2025, 10 a.m. — 05 April 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://ctf.cs.msu.ru/
Rating weight: 0.00
Event organizers: Bushwhackers

Name: Auvergn'Hack (an Auvergn'hack event.)
Date: April 5, 2025, 12:45 p.m. — 05 April 2025, 19:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.zitf.fr/
Rating weight: 22.75
Event organizers: ZiTF