Lab · online-labs-platformhosted
PortSwigger Web Security Academy
Free online training with hundreds of per-technique labs across 31 web-vulnerability topics at Apprentice/Practitioner/Expert tiers, each with a defined success condition.
Use responsibly
Test only systems you own or are explicitly authorized to test. Unauthorized testing is illegal.
A shared, hosted instance — for practice only, within the platform's own rules.
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.