CTF Time

Name: BrunnerCTF 2026 (an BrunnerCTF event.)
Date: Aug. 21, 2026, noon — 23 Aug. 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.brunnerne.dk/
Rating weight: 24.66
Event organizers: SDU

Name: E0F CTF (an EOF CTF event.)
Date: Aug. 22, 2026, 7 a.m. — 23 Aug. 2026, 07:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.e0f.team/
Rating weight: 0
Event organizers: Group 0x1A

Name: TallDwarf Hosting: Hosting Takeover (an TallDwarf Hosting CTF: Hostile Takeover event.)
Date: Aug. 22, 2026, 8 a.m. — 23 Aug. 2026, 20:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.talldwarfhosting.com/
Rating weight: 0
Event organizers: TallDwarf Hosting

Name: z0d1ak CTF Qualifiers (an z0d1ak CTF event.)
Date: Aug. 21, 2026, 4 p.m. — 23 Aug. 2026, 04:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.z0d1ak.org/
Rating weight: 0
Event organizers: z0d1ak

Name: Haruulzangi CTF 2026 Qualifier (an Haruulzangi CTF event.)
Date: Aug. 22, 2026, 1 a.m. — 23 Aug. 2026, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://2026.haruulzangi.mn/
Rating weight: 0
Event organizers: haruulzangi-organizers

Name: PECAN+ CTF 2026 (an PECAN+ CTF event.)
Date: Aug. 23, 2026, 1 a.m. — 23 Aug. 2026, 05:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Australia
Offical URL: https://pecanplus.org/
Rating weight: 0
Event organizers: PECAN+

Name: PwnSec CTF 2026 [postponed] (an PwnSec CTF event.)
Date: Aug. 21, 2026, 2 p.m. — 22 Aug. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.pwnsec.team/
Rating weight: 33.89
Event organizers: PwnSec

Name: $N1PH€RS 3.0 CTF (an $N1PH€RS CTF event.)
Date: Aug. 22, 2026, 3:15 a.m. — 22 Aug. 2026, 11:15 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://stjctf2026.tamilctf.com/
Rating weight: 0
Event organizers: Ex0rcists

Name: AEROSPACE VILLAGE STARPWN CTF (an Starpwn CTF event.)
Date: Aug. 6, 2026, 5 p.m. — 09 Aug. 2026, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://starpwn.ctfd.io/
Rating weight: 24.65
Event organizers: Visionspace

Name: RoboHack AI CTF (Robotic Hacking Community at DEFCON 34) (an RoboHack AI CTF event.)
Date: Aug. 7, 2026, midnight — 09 Aug. 2026, 00:00 UTC  [add to calendar]
Format: Hack quest
On-line
Location: DEFCON 34, Las Vegas, Nevada, USA
Offical URL: https://www.robotichackingcommunity.com/
Rating weight: 0
Event organizers: robotichackingcommunity

Name: DEF CON CTF 2026 (an DEF CON CTF event.)
Date: Aug. 7, 2026, 4 p.m. — 09 Aug. 2026, 19:00 UTC  [add to calendar]
Format: Attack-Defense
On-site
Location: Las Vegas, Nevada, USA
Offical URL: https://bbbirds.org/
Rating weight: 0.00
Event organizers: Benevolent Bureau of Birds

Name: UIUCTF 2026 (an UIUCTF event.)
Date: Aug. 8, 2026, midnight — 10 Aug. 2026, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://uiuc.tf/
Rating weight: 69.35
Event organizers: SIGPwny

Name: scriptCTF 2026 (an scriptCTF event.)
Date: Aug. 8, 2026, midnight — 10 Aug. 2026, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.scriptsorcerers.xyz/
Rating weight: 24.70
Event organizers: ScriptSorcerers

Name: The heart of Sysola (an The heart of sysola event.)
Date: Aug. 8, 2026, 1 p.m. — 09 Aug. 2026, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://caplag.ru/competitions/the-heart-of-sysola
Rating weight: 0.00
Event organizers: Caplag

Name: EYCC CTF 2026 Finals (an EYCC CTF event.)
Date: Aug. 13, 2026, 6 a.m. — 13 Aug. 2026, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Egypt
Offical URL: https://eycc.stemeghackclub.org/
Rating weight: 0
Event organizers: Mont5ab El2hwa

Name: Thryve CTF 2026 (an Thryve CTF event.)
Date: Aug. 14, 2026, 11 a.m. — 14 Aug. 2026, 20:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.thryvectf.org/
Rating weight: 24.48
Event organizers: Thryve

Name: gaslightCTF 2026 (an gaslightCTF event.)
Date: Aug. 14, 2026, noon — 17 Aug. 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://gaslightctf.cooking/
Rating weight: 0
Event organizers: gaslighting

Name: HackHowl 2026 (an HackHowl event.)
Date: Aug. 15, 2026, midnight — 17 Aug. 2026, 05:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://hackhowl.com/
Rating weight: 0.00
Event organizers: Hack Howl

Name: THJCC CTF 2026 summer (an THJCC CTF event.)
Date: Aug. 15, 2026, midnight — 16 Aug. 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Offical URL: https://ctf2026-sum.thjcc.org/
Rating weight: 0.00
Event organizers: CakeisTheFake

Name: Trace Athena OSINT CTF (an Trace Athena OSINT CTF event.)
Date: Aug. 15, 2026, 3:30 a.m. — 15 Aug. 2026, 18:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: On-line
Offical URL: https://trace.athena-ctf.com/
Rating weight: 0
Event organizers: Athena-CTF