CTF Time

Name: PINK+ CTF 2026 (an PINK+ CTF event.)
Date: Nov. 6, 2026, noon — 09 Nov. 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.pink.bayern/
Rating weight: 0
Event organizers: PINK+

Name: CSCTF 2026 (an CSCTF event.)
Date: Nov. 6, 2026, 1 p.m. — 08 Nov. 2026, 13:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://2026.chronos-security.ro/
Rating weight: 0
Event organizers: Mirachron

Name: Mimic (an Mimic event.)
Date: Nov. 7, 2026, noon — 08 Nov. 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.rarebytehub.com/events/mimic
Rating weight: 0
Event organizers: Rare Byte Hub

Name: HKCERT CTF 2026 (Qualifying Round) (an HKCERT CTF event.)
Date: Nov. 6, 2026, 10 a.m. — 07 Nov. 2026, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.hkcert.org/
Rating weight: 10.31
Event organizers: Black Bauhinia HKCERT

Name: SpookyCTF 2026 (an SpookyCTF event.)
Date: Nov. 6, 2026, 5 p.m. — 07 Nov. 2026, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://spooky.ctfd.io/
Rating weight: 0
Event organizers: NICC

Name: Africa battleCTF 2026 Qualifier (an Africa battleCTF event.)
Date: Oct. 4, 2026, 11 p.m. — 04 Nov. 2026, 23:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.bugpwn.com/
Rating weight: 0
Event organizers: BUG PWN

Name: BlackAlps CTF 2026 (an BlackAlps event.)
Date: Nov. 6, 2026, 6:15 p.m. — 06 Nov. 2026, 22:30 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Switzerland, Yverdon-les-Bains
Offical URL: https://blackalps.ch/ba-26/contest
Rating weight: 0.00
Event organizers: BlackAlps

Name: HI Cyber Con 2026 CTF (an HI Cyber Con CTF event.)
Date: Oct. 30, 2026, 2 p.m. — 01 Nov. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.hiddeninvestigations.net/
Rating weight: 24.81
Event organizers: HiddenInvestigations

Name: CTF@AC26 - Finals (an CTF@AC event.)
Date: Oct. 30, 2026, 10 a.m. — 01 Nov. 2026, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Faculty of Automation & Computer Science, Timisoara, Romania
Offical URL: https://ctf.ac.upt.ro/
Rating weight: 25.00
Event organizers: UPT-CTF

Name: 2026 Qiangwang Challenge on Cyber Mimic Defense Qualification (an Qiangwang Challenge on Cyber Mimic Defense event.)
Date: Oct. 31, 2026, 2 a.m. — 01 Nov. 2026, 02:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://nest.pmlabs.com.cn/en/events/qiangwang-9/registration
Rating weight: 0.00
Event organizers: LoveFromMimic

Name: Russian CTF Cup X Qualifier (an Russian CTF Cup event.)
Date: Oct. 31, 2026, 9 a.m. — 01 Nov. 2026, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctfcup.ru/
Rating weight: 0.00
Event organizers: ctfcup

Name: StealthCup 2026 (an Stealth-Cup event.)
Date: Oct. 31, 2026, 1 p.m. — 31 Oct. 2026, 21:00 UTC  [add to calendar]
Format: Hack quest
On-site
Location: On-site, Quebec City, Canada (Hackfest, Quebec City Convention Centre). Remote participation only on request.
Offical URL: https://stealth.ait.ac.at/
Rating weight: 0.00
Event organizers: 0x01DA

Name: Hacker's Gambit 2026 (Round 2 – Grand Finale) (an Hacker's Gambit event.)
Date: Oct. 30, 2026, 6:30 a.m. — 31 Oct. 2026, 06:30 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Jaihind College of Engineering,At Post Kuran, Taluka Junnar, Pune - 410511, Maharashtra, India (19°09'47.2"N 73°54'52.2"E)
Offical URL: https://unstop.com/p/hackers-gambit-2026-jaihind-college-of-engineering-kuran-1723293
Rating weight: 0.00
Event organizers: JCOE Cyber Sentinels

Name: HAM-DEFCON (an HAM-DEFCON event.)
Date: Oct. 31, 2026, 3:30 a.m. — 31 Oct. 2026, 07:30 UTC  [add to calendar]
Format: Attack-Defense
On-site
Location: National Institute Of Technology Warangal, Hanamkonda, Telangana, India, 505004
Offical URL: http://defcon.hamarc.tech/
Rating weight: 0
Event organizers: HAMARC

Name: Srdnlen CTF 2026 Finals (Sardinia Cyber Camp) (an Srdnlen CTF event.)
Date: Oct. 29, 2026, 9 a.m. — 29 Oct. 2026, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Italy, Cagliari
Offical URL: https://ctf.srdnlen.it/
Rating weight: 25.00
Event organizers: Srdnlen

Name: Sudocrypt v16.0 (an Sudocrypt event.)
Date: Oct. 27, 2026, 3:30 a.m. — 28 Oct. 2026, 15:30 UTC  [add to calendar]
Format: Hack quest
On-line
Offical URL: https://sudocrypt.com/
Rating weight: 0.00
Event organizers: exunclan

Name: Hack.lu CTF 2026 (an Hack.lu CTF event.)
Date: Oct. 23, 2026, 6 p.m. — 25 Oct. 2026, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://flu.xxx/
Rating weight: 94.74
Event organizers: FluxFingers

Name: cruXipher 2026 - ATMoS '26, BITS Hyderabad (an cruXipher event.)
Date: Oct. 23, 2026, 12:30 a.m. — 25 Oct. 2026, 00:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cruxipher.crux-bphc.com/
Rating weight: 24.83
Event organizers: CRUx BPHC

Name: HITCON CTF 2026 (an HITCON CTF event.)
Date: Oct. 23, 2026, 2 p.m. — 25 Oct. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf2026.hitcon.org/
Rating weight: 91.16
Event organizers: HITCON

Name: RSTCON 2026 CTF (an RSTCON CTF event.)
Date: Oct. 23, 2026, 5 p.m. — 25 Oct. 2026, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.rstcon.org/
Rating weight: 25.00
Event organizers: RSTCON