Explore Security Hackathons 2026

Join hackathons focused on cybersecurity, encryption, and digital defense systems.
Explore Security hackathons online and in-person
IN-PERSON Code Collab

Dec. 12, 2025 - Dec. 14, 2025

Ended

Main Description Type Mini Hackathon is a quick, high-energy building sprint focused on GitHub, open-source collaboration, and GitHub Copilot. Participants create fun, impactful projects while …

IN-PERSON Config Clash(HNC)

Dec. 7, 2025

Date TBD

About the challenge In today’s world, understanding how computer networks operate is a foundational skill for any IT professional. This challenge invites participants to apply …

IN-PERSON AlgosQuest 2025

Nov. 19, 2025 - Jan. 17, 2026

Ended

AlgosQuest 2025 National Level AI/ML Hackathon By Isourse Technologies, in association with SARC, IIT Bombay🔗 https://isourse.com/algo-quest Eligibility Open to 3rd & 4th year students of …

ONLINE Bytewars

Oct. 31, 2025 - Nov. 3, 2025

Ended

msut register thorugh https://unstop.com/p/bytewars-hackathon-recenturesoft-infotech-pvt-ltd-1559158 ByteWars is a 76-hour hackathon where innovators, developers, designers, and students unite to tackle real-world problems using cutting-edge technology. Whether you’re …

IN-PERSON CipherHacks

Oct. 11, 2025

Date TBD

Spots are limited, so register on our website to get early access to registration and event updates! cipherhacks.tech/register CipherHacks is a free, 24-hour cybersecurity-themed hackathon …

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beginner · iot · security · San Diego, California, United States
IN-PERSON DefInSpace

Oct. 10, 2025 - Oct. 11, 2025

Ended

DefInSpace est un hackathon innovant qui réunit des esprits créatifs et passionnés autour d’un défi unique : imaginer en 24h des solutions pour la défense …

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industry · science · security · social · transport · Mantes-la-Jolie, Île-de-France, France
IN-PERSON AI for ALL: Global Impact Challenge

Oct. 10, 2025 - Nov. 30, 2025

Ended

🌍🚀Calling global AI innovators! We are proud to support the AI for ALL: Global Impact Challenge - flagship event as part of the India - …

IN-PERSON Hack The Nest V3

Sept. 20, 2025 - Sept. 21, 2025

Ended

Schedule, FAQ, etc. at www.hackthenest.org Communications/ In-person updates @ https://discord.com/invite/JU9TY5BFU3

IN-PERSON Redwood Research Alignment Faking Hackathon

Sept. 13, 2025 - Sept. 14, 2025

Ended

About the challenge Redwood Research, in collaboration with MATS and Constellation, invites you to build Model Organisms of Alignment Faking. What is this, you may …

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machine learning · security · Berkeley, California, United States
IN-PERSON CPP_Test_Hackathon

Sept. 12, 2025

Date TBD

TEST.

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security · Bogotá, Bogota D.C., Colombia

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