Cybersecurity Hackathons in 2026
Explore 50 cybersecurity hackathons in 2026. Hackathons focused on cybersecurity, information security, CTFs, and defensive/offensive security.
Hackathons
50
Avg Prize
$6K
Organizers
61
Friday, August 21, 2026
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
Ongoing
Equinor Presents: Industrial AI Hackathon 2026
In Person
Aug 20 – Aug 21, 2026Alessandro ArlandiniFornebu, Norway
Artificial Intelligence
Fintech
Cybersecurity