Cybersecurity Hackathons

Explore 50 cybersecurity hackathons. Hackathons focused on cybersecurity, information security, CTFs, and defensive/offensive security.

Hackathons

49

Avg Prize

$8K

Organizers

48

Friday, August 21, 2026

Ongoing

Common S3nse

Online
Dec 10, 2025 – Sep 12, 2026CryptoCanalOnline
Blockchain
Cybersecurity
Data Science
Ongoing

DataVortex SkyIntellect Hackathon 2026

In Person
Mar 22 – Aug 31, 2026Koneru Lakshmaiah Education Foundation (K.L. University), GunturGuntur, India
Edtech
Cybersecurity
Data Science
Ongoing

Null Origin - 24 Hour CTF Challenge

Online
Jun 11 – Sep 18, 2026Cyber hxOnline
Cybersecurity
Cloud Computing
Ongoing

AI Agent Security - Multi-Step Tool Attacks

Online
Jun 11 – Sep 1, 2026OpenAIOnline$50K
Cybersecurity
Artificial Intelligence
Machine Learning
Ongoing

Hacker's Gambit 2026

Online
Jul 21 – Oct 31, 2026Jaihind college of Engineering KuranOnline$3K
Cybersecurity
Cloud Computing
Edtech
Ongoing

Build With Gemini - HackMatrix

In Person
Aug 5 – Sep 5, 2026Trainzex AIJaipur, India
Blockchain
Cybersecurity
Artificial Intelligence
Ongoing

SN1PHERS 3.0: Capture The Flag(CTF)

In Person
Aug 5 – Aug 22, 2026St.Joseph's Institute of Technology (STJIT), ChennaiChennai, India
Cybersecurity
Cloud Computing
Ongoing

Z0d1ak CTF

Online
Aug 11 – Aug 23, 2026Vellore Institute of Technology (VIT), VelloreOnline
Cybersecurity
Cloud Computing
Edtech
Ongoing

What The Flag

In Person
Aug 11 – Sep 16, 2026Vellore Institute of Technology (VIT), VelloreVellore, India
Cybersecurity
Edtech
Cloud Computing
Ongoing

India AI Agentic Security Hackathon

In Person
Aug 12 – Nov 1, 2026AmiyaDelhi, India
Artificial Intelligence
Cybersecurity
Fintech
Ongoing

Mirage CTF 2.0

In Person
Aug 12 – Sep 8, 2026Amrita Vishwa Vidyapeetham (AVV), ChennaiChennai, India$240
Cybersecurity
Cloud Computing
Edtech
Ongoing

Gameathon 2026

Online
Aug 13 – Sep 9, 2026Amrita Vishwa Vidyapeetham ChennaiOnline$240
Cybersecurity
Edtech
Game Development
Ongoing

VakyaBhed

In Person
Aug 13 – Sep 9, 2026Faculty of Technology, Delhi UniversityDelhi, India$120
Artificial Intelligence
Cybersecurity
Cloud Computing
Ongoing

The Pirate’s Flag – Capture the Flag Challenge

In Person
Aug 15 – Sep 9, 2026Thakur Ramnarayan College of Arts and CommerceMumbai, India
Cybersecurity
Cloud Computing
Edtech
Ongoing

E.ON Future Makers Challenge

Online
Aug 17, 2026 – Oct 31, 2027InfosysOnline
Cloud Computing
Cybersecurity
Artificial Intelligence
Ongoing

Catalyst 2026

In Person
Aug 20 – Aug 22, 2026CISSAParkville, Australia$2K
Beginner Friendly
Cybersecurity
Design
Jane StreetCitadelOptiverVanguardIMCLyra Technologies

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