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Discover CTFs, bug bounties, hackathons, and coding competitions.

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Showing 24 of 28 events
CTF

BlackAlps CTF 2026

by BlackAlps

Nov 6 - Nov 6, 2026
Deadline in 5 days
Switzerland, Yverdon-les-Bains
Open
In-Person
CTF

HKCERT CTF 2026 (Qualifying Round)

by Black Bauhinia

Nov 6 - Nov 7, 2026
Deadline in 5 days
Open
Online
CTF

SpookyCTF 2026

by NICC

Nov 6 - Nov 7, 2026
Deadline in 6 days
Open
Online
CTF

Mimic

by Rare Byte Hub

Nov 7 - Nov 8, 2026
Deadline in 6 days
Open
Online
CTF

CSCTF 2026

by Mirachron

Nov 6 - Nov 8, 2026
Deadline in 6 days
Open
Online
CTF

PINK+ CTF 2026

by PINK+

Nov 6 - Nov 9, 2026
Deadline in 7 days
Open
Online
CTF

TVX CTF 2026

by Tech Visions

Nov 13 - Nov 13, 2026
Deadline in 12 days
Open
Online
CTF

CSAW CTF Final Round 2026

by NYUSEC

Nov 12 - Nov 14, 2026
Deadline in 12 days
Open
Online
CTF

Platypwn 2026

by Platypwnies

Nov 13 - Nov 14, 2026
Deadline in 12 days
Open
Online
CTF

InIt CTF

by Hackers_In_India

Nov 14 - Nov 14, 2026
Deadline in 13 days
Open
Online
CTF

WolvCTF 2026

by w01verines

Nov 13 - Nov 15, 2026
Deadline in 14 days
Open
Online
CTF

GlacierCTF 2026

by LosFuzzys

Nov 20 - Nov 21, 2026
Deadline in 20 days
Open
Online
CTF

Crate-CTF 2026

by Crate-CTF

Nov 21 - Nov 21, 2026
Deadline in 20 days
Open
Online
CTF

CyberSci Regional Qualifiers 2026-27

by CyberSciOrganizers

Nov 21 - Nov 21, 2026
Deadline in 20 days
Onsite at 6 locations in Canada
Open
In-Person
CTF

Outback Overflow

by HSCC

Nov 20 - Nov 21, 2026
Deadline in 20 days
Open
Online
CTF

Seize da Flaq

by Seize da Flaq

Nov 21 - Nov 22, 2026
Deadline in 20 days
Mathura, Uttar Pradesh, India
Open
In-Person
CTF

EyesOpenCTF 7th edition

by EyesOpen_Security

Nov 20 - Nov 22, 2026
Deadline in 20 days
Open
Online
CTF

L3m0n CTF 2026 (Quals)

by L3m0n CTF

Nov 28 - Nov 28, 2026
Deadline in 27 days
Open
Online
CTF

LakeCTF Quals 26-27

by polygl0ts

Nov 27 - Nov 28, 2026
Deadline in 27 days
Open
Online
CTF

CyberNSK2027-Qualifier

by siberiansecurityleague

Nov 28 - Nov 28, 2026
Deadline in 27 days
Open
Online
CTF

BlackHat MEA CTF Final 2026

by SAFCSP

Dec 1 - Dec 3, 2026
Deadline in about 1 month
Riyadh, Saudi Arabia
Open
In-Person
CTF

bi0sCTF 2026

by bi0s

Dec 5 - Dec 6, 2026
Deadline in about 1 month
Open
Online
CTF

x3CTF 2026

by x3CTF

Dec 4 - Dec 6, 2026
Deadline in about 1 month
Open
Online
CTF

niteCTF 2026

by Cryptonite

Dec 11 - Dec 13, 2026
Deadline in about 1 month
Open
Online