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🥷 7 AppSec, DevSecOps, AISec Educational Challenges
📅 7 Weeks, Mid Dec 2025 until 31st Jan 2026 23:59 UTC
🎁 Win prizes

This is an online contest for anyone interested to challenge themselves in AppSec, DevSecOps, AI security, secure coding and more.
We have handpicked secure coding challenges based on real world incidents.
Your objective is to exploit fix security vulnerabilities in each challenge.
We also have a novel Attack and Defence styled CTF game where you hack others' app whilst defending your own.
Use SecDim SDK to build AppSec challenges.
Submit your challenges no later than 31st January 2026 23:59 UTC.
Best challenge contribution will receive a prize.
There are two prize categories:
Prizes will be awarded to the winners and runners-up in each category.
Best Contributed Challenge Submission:
6-month PRO SecDim subscription and a unique contributor badge.
All participants receive a badge for taking part in the contest.

The game starts mid December and ends on 31st January 2026 23:59 UTC. The winners will be announced shortly after.
The game will be available online for the whole duration specified.
Of course! The best way to learn is by doing a challenge. Challenges are built with beginners in mind. Start by completing one of our free online courses. and ask your questions anywhere you stuck.
You can solve the Start Here challenge to get started.
Use SecDim SDK to build AppSec challenges. Submit your challenge no later than 31st January 2026 23:59 UTC. Best contributed challenges will receive prizes.
This is an individual exercise to skill up so we recommend playing solo.
SecDim Discuss or Discord channel , if you are stuck or have any questions, feel free to ask. There are no dumb questions.
Sabotaging other players, attacking the platform, DoS, DDoS, cheating, attempt to disclose security tests on the server. Failure to comply will result in an immediate ban.
There will be multiple winners. The player with the highest total points by the end of the event and the player who has the best contributed challenge.
6 month of free Pro subscription for the Winner and a unique badge.
3 month of free Pro subscription for the first runner up.
1 month of free Pro subscription for the second runner up.
6 month of free Pro subscription for best challenge contribution and a unique badge.
All participants get a badge for taking part in the contest.
AI, IoT, Cloud, Python, Javascript, Go, C, Java, Solidity, Docker, Typescript, GraphQL, OpenAPI, Kubernetes, AWS, Terraform
Get started with a challenge or start building a challenge.