Cybersecurity Hackathons
Explore 69 cybersecurity hackathons. Hackathons focused on cybersecurity, information security, CTFs, and defensive/offensive security.
Hackathons
64
Avg Prize
$8K
Organizers
50
Friday, October 16, 2026
Sunday, November 15, 2026
Ongoing
HierroCTF 2026 – Capture The Flag (CTF) Competition
Hybrid
Nov 7 – Nov 18, 2026Hierroshield Pvt LtdPune, India
Cybersecurity
Ongoing
Capture The Flag
In Person
Oct 17 – Nov 19, 2026Acharya Institute of TechnologyBengaluru, India$72
Cybersecurity
Ongoing
Bug Bounty: Multiverse Wars Competition
Online
Oct 24 – Nov 19, 2026HackosquadOnline
Cybersecurity
Ongoing
Seize da Flaq
In Person
Aug 24 – Nov 22, 2026Cyberonites ClubMathura, India$6K
Cybersecurity
Cloud
Edtech
Ongoing
Intelligence Initiative 2026
Online
Oct 10 – Nov 25, 2026OSINTX × CyberEDTOnline$30K
Cybersecurity
Ongoing
Pinaka CTF
Online
Sep 30 – Nov 28, 2026National Forensic Sciences University, ChennaiOnline$1K
Cybersecurity
Cloud
Edtech
Ongoing
Slay CTF
Online
Aug 22 – Nov 29, 2026Jalpaiguri Government Engineering College (JGEC), West BengalOnline
Cybersecurity
Ongoing
305 Veterans Hackathon Edition November 2026
Online
Nov 1 – Dec 1, 2026GOOGLE DEVELOPER GROUP AT FIUOnline$50
Beginner Friendly
Cybersecurity
Education
Ongoing
Capture The Flag (CTF)
In Person
Nov 11 – Dec 3, 2026GM University DavanagereDavanagere, India
Cybersecurity
Ongoing
Oblivion - The Ultimate Capture The Flag (CTF) Competition
Online
Oct 14 – Dec 6, 2026Indian Institute of Technology (IIT), RoparOnline
Cybersecurity
Ongoing
Srujan 2026 - 1.5 Lakh Mega Hackathon In association with L&T - Online Round is Free, No Rs 1200 Charged in it
Hybrid
Oct 15 – Dec 19, 2026Bk birla CollegeKalyan, India
Climate Tech
Social Impact
Cybersecurity
Ongoing
Capture The Flag | TECHKRITI | IIT KANPUR
In Person
Oct 1 – Dec 31, 2026TechkritiKalyanpur, India
Cybersecurity
Ongoing
CTF - Capture The Flag
Online
Oct 27, 2026 – Jan 6, 2027Indian Institute of Technology (IIT), MadrasOnline$840
Cybersecurity
Ongoing
The Forge
In Person
Nov 1, 2026 – Jan 12, 2027HoollowDelhi, India$60
Cybersecurity
Ongoing
HackZ'26
Online
Nov 5, 2026 – Jan 30, 2027College of Engineering (CEG), Guindy, Anna UniversityOnline$2K
Cybersecurity
Ongoing
CTF Arena
In Person
Aug 19, 2026 – Feb 7, 2027International Institute of Information Technology (IIIT), BhubaneswarBhubaneswar, India$180
Cybersecurity
Ongoing
Crackhunt
Online
Nov 6, 2026 – Mar 5, 2027Army Institute of technology, PuneOnline$120
Cybersecurity
Ongoing
E.ON Future Makers Challenge
Online
Aug 17, 2026 – Oct 31, 2027InfosysOnline
Cloud
Cybersecurity
Artificial Intelligence
Monday, November 16, 2026
Thursday, November 19, 2026
Past hackathons
Recently ended — many run again.
Saturday, November 14, 2026
Thursday, November 12, 2026
Saturday, November 7, 2026
Past
Grizzly Hacks VII
In Person
Nov 7, 2026GrizzlyHacks @ GGCLawrenceville, United States
Cybersecurity
Past
AWS x A10 Hack 2026
In Person
Nov 7 – Nov 8, 2026Santa Clara University ACMSanta Clara, United States$8K
Cloud
Artificial Intelligence
Cybersecurity
Past
Hack1984
In Person
Nov 7 – Nov 8, 2026ACM at NortheasternBoston, United States$14K
Cybersecurity
Artificial Intelligence
Health
Past
Corkathon
In Person
Nov 7, 2026computer science society @ uccCork, County Cork$2K
Artificial Intelligence
Social Impact
Cybersecurity
Past
PlutoHacks 2026
In Person
Nov 7, 2026Broward CollegeDavie, United States$4K
Cybersecurity
Artificial Intelligence
Social Impact
Past
CrownHacks
In Person
Nov 7 – Nov 8, 2026Club for AI Research - CharlotteCharlotte, United States
Artificial Intelligence
Cybersecurity