CTF Time

Name: CAT CTF 26 (an CAT Reloaded CTF event.)
Date: Sept. 11, 2026, noon — 12 Sept. 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.catreloaded.org/
Rating weight: 0
Event organizers: 0xL4ugh

Name: NNS CTF 2026 (an NNS CTF event.)
Date: Sept. 4, 2026, 4 p.m. — 06 Sept. 2026, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://nnsc.tf/
Rating weight: 25.00
Event organizers: Norske Nøkkelsnikere

Name: TFC CTF 2026 (an TFC CTF event.)
Date: Sept. 5, 2026, 10 a.m. — 06 Sept. 2026, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.thefewchosen.com/
Rating weight: 77.08
Event organizers: The Few Chosen

Name: SUNCTF 2026 (an SUN CTF event.)
Date: Sept. 6, 2026, midnight — 06 Sept. 2026, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Malaysia, Subang Jaya
Offical URL: https://www.sunwaycybersecurityclub.org/sunctf
Rating weight: 0.00
Event organizers: Sunway Cybersecurity Club

Name: COMPFEST CTF 2026 (an COMPFEST CTF event.)
Date: Aug. 29, 2026, midnight — 30 Aug. 2026, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://mirror-ctf.compfest.id/
Rating weight: 96.00
Event organizers: CSUI

Name: BlackHat MEA CTF Qualification 2026 (an Blackhat MEA CTF event.)
Date: Aug. 29, 2026, 7 a.m. — 30 Aug. 2026, 07:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://blackhatmea.com/capture-the-flag
Rating weight: 8.10
Event organizers: SAFCSP

Name: ASIS CTF Quals 2026 (an ASIS CTF Quals event.)
Date: Aug. 29, 2026, 2 p.m. — 30 Aug. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://asisctf.com/
Rating weight: 90.53
Event organizers: ASIS

Name: Iran Tech Olympics CTF 2026 (an Iran Tech Olympics CTF event.)
Date: Aug. 29, 2026, 2 p.m. — 30 Aug. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.olympics.tech/
Rating weight: 25.00
Event organizers: ASIS

Name: UND CyberHawks National CTF Competition 2026 Qualifiers (an UND CyberHawks National Capture The Flag Competition event.)
Date: Aug. 29, 2026, 2 p.m. — 30 Aug. 2026, 05:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.hackthebox.com/event/details/und-cyberhawks-national-ctf-competition-2026-qualifiers-3444
Rating weight: 0
Event organizers: UND CyberHawks

Name: DiceCTF 2026 Finals (an DiceCTF event.)
Date: Aug. 29, 2026, 4 p.m. — 30 Aug. 2026, 22:00 UTC  [add to calendar]
Format: Hack quest
On-site
Location: New York City, USA
Offical URL: https://ctf.dicega.ng/
Rating weight: 0.00
Event organizers: DiceGang

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: 25.00
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: 25.00
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: 25.00
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: 0.00
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: 25.00
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