Hack for a Change 2026 January: UN SDG 15

Welcome to the UN SDG CTF. This month’s theme is UN Sustainable Development Goal 15: Life on Land.

The challenges are inspired by real issues like biodiversity, deforestation, and ecosystem protection, reimagined as hands-on cybersecurity problems. Expect a mix of web, crypto, forensics, and logic-based challenges that reward curiosity and creative thinking.

This CTF is designed to be accessible while still offering depth for experienced players. If you want a competition that feels meaningful, educational, and fun to solve, you’re in the right place. Join in and test your skills while exploring how security connects to the world beyond the screen.