◉ Official answer
🎯 Chain of Three (General · Level 1 · +50 XP)
An advanced capstone challenge requiring learners to chain an info disclosure, an open redirect, and a weak OAuth state token into a full account takeover.
Learning & Defense Goals:
🎯 Launch Isolated Sandbox on Cyber Lab →
Community Discussion Rules: Discuss methodologies, discovery tactics, and architectural hardening. Please do not post raw flags directly. Share your production remediation code!