Cyber Labs

Hands-on practice, zero risk.

Browser-based security labs built on safe, fictional data and server-graded challenges — so you build real skill without ever touching a live system.

Free labs

Learn by doing

Short, guided challenges with hints, safe sample data and a completion check. Some work without an account; sign in to save progress and earn badges.

  • Read an HTTP request · Spot a phishing message
  • Linux permissions · Log analysis · Password storage
  • Find the access-control flaw · Write a security finding
Premium labs

Work through realistic scenarios

Multi-stage exercises with richer evidence, harder challenges, assessment rubrics and professional-style reports. Included free with premium membership and course plans.

  • Broken access control · Injection root-cause & fix
  • API authorization across services · SSRF defense
  • Incident response tabletop · End-to-end capstone
 Launching soon. The labs run as safe, isolated simulations — never connections to live vulnerable systems. Premium membership and course purchases include lab access.