Cybersecurity Hackathons
Explore 101 cybersecurity hackathons. Hackathons focused on cybersecurity, information security, CTFs, and defensive/offensive security.
Hackathons
95
Avg Prize
$3K
Organizers
55
Monday, October 12, 2026
Ongoing
Triathlon
Online
Sep 20 – Oct 13, 2026M.S. Ramaiah University of Applied SciencesOnline$180
Cloud
Edtech
Cybersecurity
Ongoing
Hammer (Hack, Analyze, Master, Market, Execute, Rule)
In Person
Sep 19 – Oct 13, 2026M S Ramaiah University of Applied SciencesBengaluru, India$180
Cloud
Cybersecurity
Artificial Intelligence
Ongoing
ALGOSTORM 2.0: THE CODE CARNIVAL
In Person
Oct 12 – Oct 13, 2026HackIndiaAmity University Chhattisgarh, India
Artificial Intelligence
Cybersecurity
Ongoing
INDUX 5.0-2026
In Person
Sep 22 – Oct 15, 2026vikrant university, gwaliorBanarpura, India$3K
Artificial Intelligence
Cybersecurity
Healthtech
Ongoing
ZeroBreach 2.0 CTF 2026
Online
Sep 5 – Oct 15, 2026Sanjivani College of Engineering (SCE), KopargaonOnline$240
Cybersecurity
Cloud
Edtech
Ongoing
Ghost Protocol CTF 2.0
Hybrid
Oct 5 – Oct 15, 2026Noida Institute of Engineering And Technology (NIET), Greater NoidaGreater Noida, India$612
Cybersecurity
Cloud
Edtech
Ongoing
EUROPEAN CYBERSECURITY CHALLENGE 2026ECSC
In Person
Oct 12 – Oct 16, 2026ENISABochum, Germany
Challenge
Cybersecurity
Ongoing
HACK ON TRACK (24-Hour National Hackathon)
In Person
Sep 18 – Oct 16, 2026FR. C. Rodrigues Institute of Technology (FCRIT), Navi MumbaiVashi, India$1K
Artificial Intelligence
Cloud
Cybersecurity
Ongoing
NTU x ST Engineering Hackathon
Online
Oct 12 – Oct 17, 2026nanyang technological universityOnline$3K
Cybersecurity
Education
Artificial Intelligence
Ongoing
AI Lodge Hackathon 2026
Online
Sep 22 – Oct 18, 2026SMU Business Intelligence & AnalyticsOnline
Artificial Intelligence
Cybersecurity
Ongoing
SPIRIT 3.0 - Buildathon
Hybrid
Sep 30 – Oct 24, 2026Dr Shakuntala Misra National Rehabilitation University (DSMNRU), LucknowLucknow, India$36
Fintech
Cybersecurity
Cloud
Ongoing
Blackout CTF
Online
Oct 9 – Oct 24, 2026NexploitOnline
Cybersecurity
Cloud
Edtech
Ongoing
H7CTF 2026
In Person
Sep 13 – Oct 24, 2026SRM Institute of Science and Technology (SRMIST), Kattankulathur, ChennaiChennai, India$2K
Cybersecurity
Cloud
Artificial Intelligence
Ongoing
ChronoForge
Hybrid
Oct 10 – Oct 25, 2026National Institute of Technology Karnataka (NITK), SurathkalMangaluru, India$600
Cybersecurity
Artificial Intelligence
Cloud
Ongoing
Hackosquad CTF 2026
Online
Oct 5 – Oct 25, 2026HackosquadOnline
Cybersecurity
Game Development
Cloud
Ongoing
Qiskit Fall Fest
Online
Sep 1 – Oct 26, 2026Mukesh Patel School of Technology Management and Engineering (NMIMS), MumbaiOnline$216
Edtech
Cloud
Cybersecurity
Ongoing
HTCJ Aviation Futures Innovation Challenge
In Person
Jun 25 – Oct 28, 2026hacktheconcretejungleLos Angeles, United States
Artificial Intelligence
IoT
Cybersecurity
Ongoing
Null Origin - 24 Hour CTF Challenge
Online
Jun 11 – Oct 29, 2026Cyber hxOnline
Cybersecurity
Cloud
Ongoing
Koolage Cybersecurity Challenge – Can You Spot the Vulnerability?
Online
Sep 17 – Oct 29, 2026koolageOnline
Cybersecurity
Cloud
Edtech
Ongoing
Hacker's Gambit 2026
Online
Jul 21 – Oct 31, 2026Jaihind college of Engineering KuranOnline$3K
Cybersecurity
Cloud
Edtech
Ongoing
Sea of Secrets CTF
Online
Oct 1 – Oct 31, 2026HackitUpOnline$2K
Cybersecurity
Cloud
Edtech
Ongoing
D3COY
In Person
Oct 9 – Nov 1, 2026Shri Vile Parle Kelavani Mandal's Dwarkadas J. Sanghvi College of Engineering (DJSCE), MumbaiVile Parle, India$2K
Artificial Intelligence
Cybersecurity
Cloud
Ongoing
SecLeaf Q4 CTF 2026
Online
Sep 12 – Nov 1, 2026SecLeafOnline
Cybersecurity
Cloud
Edtech
Ongoing
DataOps Innovation Hackathon
Online
Oct 4 – Nov 1, 2026HackTheCoreOnline$360
Cybersecurity
Artificial Intelligence
Ongoing
Low-Level Hackathon
Online
Sep 28 – Nov 8, 2026International Institute of Information Technology (IIIT), BangaloreOnline
Cloud
Edtech
Cybersecurity
Ongoing
Cipher Chase — Capture the Flag
Online
Sep 28 – Nov 12, 2026International Institute of Information Technology (IIIT), BangaloreOnline
Cybersecurity
Cloud
Edtech
Ongoing
InIt CTF
Online
Sep 28 – Nov 13, 2026HIII (Hackers In India)Online
Cybersecurity
Cloud
Edtech
Ongoing
Capture The Flag | IIT Kanpur
In Person
Sep 29 – Nov 13, 2026TechkritiKalyanpur, India$600
Cybersecurity
Ongoing
Capture The Flag | TECHKRITI | IIT KANPUR
In Person
Oct 1 – Nov 16, 2026TechkritiKalyanpur, India
Cybersecurity
Cloud
Edtech
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
Artificial Intelligence
Cybersecurity
Fintech
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
Cloud
Edtech
Ongoing
CTF Arena
In Person
Aug 19, 2026 – Feb 7, 2027International Institute of Information Technology (IIIT), BhubaneswarBhubaneswar, India$180
Cybersecurity
Cloud
Edtech
Ongoing
E.ON Future Makers Challenge
Online
Aug 17, 2026 – Oct 31, 2027InfosysOnline
Cloud
Cybersecurity
Artificial Intelligence
Upcoming
SCDI 1302/1308: AIC x CrowdStrike Hackathon
In Person
Oct 12 – Oct 13, 2026Marty HendricksSanta Clara, United States$5K
Artificial Intelligence
Cybersecurity
Edtech
Thursday, October 15, 2026
Friday, October 16, 2026
Upcoming
Build-A-Thon
In Person
Oct 16 – Oct 17, 2026Major League HackingIbadan, Nigeria
Healthtech
Cybersecurity
Artificial Intelligence
Upcoming
Build-A-Thon
Online
Oct 16 – Oct 17, 2026Major League HackingOnline
Healthtech
Cybersecurity
Artificial Intelligence
Upcoming
European Defense Tech Hackathon - Sofia
In Person
Oct 16 – Oct 18, 2026Philipp RitzingerSofia, Bulgaria
Social Impact
Data Science
Cybersecurity
Past hackathons
Recently ended — many run again.
Sunday, October 11, 2026
Past
AI Defense Lab 2026 | Register only through link⬇️
Online
Oct 11, 2026Seattle Data AI & SecurityOnline
Artificial Intelligence
Cybersecurity
Data Science
Past
The Harness Engineering & Model Wrangling #SFTechWeek Hackathon
In Person
Oct 11 – Oct 12, 2026MongoDBSan Francisco, United States$18K
Artificial Intelligence
Cloud
Cybersecurity
Saturday, October 10, 2026
Past
BSA - EPFL | The Hackathon
In Person
Oct 10 – Oct 11, 2026BSA - EPFLTBA$6K
Blockchain
Cybersecurity
Past
Jev Buildathon - By AI learn circle and Cashfree
In Person
Oct 10, 2026Harkirat (Rocket) SinghBengaluru, India
Artificial Intelligence
Fintech
Cybersecurity
Past
AgntID Hackathon
In Person
Oct 10, 2026Nirupama SinghBengaluru, Karnataka, India
Artificial Intelligence
Cybersecurity
Data Science
Past
Vibeathon-2026
In Person
Oct 10, 2026Jawahar education societykharghar$25K
Generative AI
SaaS
AR/VR
Past
Vibeathon--2026
In Person
Oct 10, 2026Jawahar education society, A.C.patil college of engineeringnavi mumbai$25K
Generative AI
Blockchain
IoT
Friday, October 9, 2026
Thursday, October 8, 2026
Past
AI Security Night - Hack it!
In Person
Oct 8 – Oct 9, 2026AISecEng CommunityBoston, United States
Artificial Intelligence
Cybersecurity
Social Impact
Past
Anvation
In Person
Oct 8 – Oct 9, 2026KSSEMBengaluru, India$600
Artificial Intelligence
Fintech
Cybersecurity
Past
XploitX 2.0 Beta – CTF
In Person
Oct 8 – Oct 9, 2026Department of Cyber Security, Prathyusha Engineering CollegePrathyusha Engineering College, India$100K
Cybersecurity
Artificial Intelligence
Open Source