CTF Time

Name: NullOrigin CTF Qualifiers (an Null Origin event.)
Date: Sept. 18, 2026, 4:30 a.m. — 18 Sept. 2026, 16:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: On-line
Offical URL: https://nullorigin.cyberhx.com/
Rating weight: 25.00
Event organizers: CyberXoX

Name: Haruulzangi CTF 2026 Semi-Final (an Haruulzangi CTF event.)
Date: Sept. 19, 2026, 2 a.m. — 19 Sept. 2026, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Mongolia, Ulaanbaatar
Offical URL: https://2026.haruulzangi.mn/
Rating weight: 0.00
Event organizers: haruulzangi-organizers

Name: z0d1ak CTF Finals (an z0d1ak CTF event.)
Date: Sept. 19, 2026, 3:30 a.m. — 19 Sept. 2026, 12:30 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: VIT Vellore, India
Offical URL: https://ctf.z0d1ak.org/
Rating weight: 0.00
Event organizers: z0d1ak

Name: OmniCTF 2026 Finals (an OmniCTF event.)
Date: Sept. 19, 2026, 6 a.m. — 19 Sept. 2026, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Romania, Constanța
Offical URL: https://omnictf.com/
Rating weight: 0.00
Event organizers: OmniCTF

Name: VolgaCTF 2026 Final (an VolgaCTF Final event.)
Date: Sept. 17, 2026, 5 a.m. — 17 Sept. 2026, 15:00 UTC  [add to calendar]
Format: Attack-Defense
On-site
Location: Russia, Samara
Offical URL: https://volgactf.ru/en/volgactf-2026/final/
Rating weight: 25.00
Event organizers: VolgaCTF.org

Name: K17 CTF 2026 (an K17 CTF event.)
Date: Sept. 11, 2026, 10 a.m. — 13 Sept. 2026, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://scoreboard.k17ctf.secso.cc/
Rating weight: 24.83
Event organizers: K17

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: 0.00
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