Lab · ctf
OWASP Security Shepherd
Multi-user CTF/tournament platform with levels, scoring, and native grading for user isolation and competition.
Use responsibly
Test only systems you own or are explicitly authorized to test. Unauthorized testing is illegal.
Tagsctf
More labs & practice targets
- AI-GoatllmVulnerable-LLM CTF challenges aligned to the OWASP Top 10 for LLM Applications, running a local Vicuna model (no cloud fees).
- Altoro Mutual (AltoroJ)web-appClassic sample banking J2EE web app demonstrating real-world application security issues; also self-hostable.
- AuthLab (digininja)authSelection of authentication and authorization challenges drawn from real-world examples, written in Go.
- BodgeIt Storeweb-appSelf-contained Java/JSP vulnerable app aimed at pentest beginners, covering XSS, SQLi and hidden content.
- Broken CrystalsspaModern React/Node application with REST and GraphQL for modern SPA testing.
- BugGPTgeneratorIntentionally vulnerable application generator (Python/Flask/OpenAI) for creating security-training targets.