CLEARANCE LEVELS
Operational Tiers
Every lab and course is scoped to one of five tiers, from a fully internal sandbox to an unknown perimeter with zero margin for error.
Candidate
Internal systems only, no live target.
Recruit
Legacy systems, minimal threat detection.
Agent
Hardened environments, EDR/XDR active.
APT
Segregated networks, layered defenses.
Zero
Unknown perimeter, zero margin for error.