Develop the instincts of a security researcher through hands-on challenges based on real-world vulnerabilities.
Hunt vulnerabilities across multi-file projects. Identify the exact line where security breaks down.
Learn from CVE-documented vulnerabilities. Every challenge is based on real-world security incidents.
From rookie to elite. Progress through difficulty tiers as you master vulnerability identification.
Click on the line you think is vulnerable, then check your answer. This is a real challenge from our Code Review mode.
Scenario: A cinema booking app added detailed error handling to debug production issues. Examine the error responses to find what's being exposed.