?review=1) so every lab is testable. Not for public use.| Lab | Level | Access | Time |
|---|---|---|---|
| First Foot In | L1 · Beginner | FREE | ~30 min |
| The Helpful Shared Drive | L1 · Beginner | FREE | ~30 min |
| Password Reuse | L1 · Beginner | FREE | ~35 min |
| Phishing Foothold | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| Webshell Upload | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| Password Spraying | L2 · Intermediate | SUBSCRIPTION | ~40 min |
| VLAN Hopping | L3 · Advanced | SUBSCRIPTION | ~60 min |
| Active Directory Attack Path | L3 · Advanced | SUBSCRIPTION | ~75 min |
| Pivoting Through the Network | L3 · Advanced | SUBSCRIPTION | ~60 min |
| Stealth APT | L4 · Expert | SUBSCRIPTION | ~90 min |
| Insider Threat | L4 · Expert | SUBSCRIPTION | ~75 min |
| Honeypot Navigation | L4 · Expert | SUBSCRIPTION | ~60 min |
| Ransomware Incident Response | L4 · Expert | SUBSCRIPTION | ~90 min |
| Own Initech | L5 · Capstone | SUBSCRIPTION | ~180 min |
| Lab | Level | Access | Time |
|---|---|---|---|
| STP Loop Outage | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| VLAN Hopping Incident | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| BGP Hijack | L3 · Advanced | SUBSCRIPTION | ~60 min |
| OSPF Adjacency Down | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| DHCP Starvation | L2 · Intermediate | SUBSCRIPTION | ~40 min |
| Campus Migration | L3 · Advanced | SUBSCRIPTION | ~75 min |
| Firewall Audit | L3 · Advanced | SUBSCRIPTION | ~60 min |
| VPN Debug | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| QoS Misconfiguration | L3 · Advanced | SUBSCRIPTION | ~50 min |
| WAN Outage at 3 AM | L3 · Advanced | SUBSCRIPTION | ~60 min |
| NAC Failure | L3 · Advanced | SUBSCRIPTION | ~55 min |
| Data Center Failover | L4 · Expert | SUBSCRIPTION | ~120 min |
| Lab | Level | Access | Time |
|---|---|---|---|
| Clos Fabric Bring-Up | L2 · Intermediate | SUBSCRIPTION | ~60 min |
| ECMP Polarization | L3 · Advanced | SUBSCRIPTION | ~50 min |
| Incast Congestion | L3 · Advanced | SUBSCRIPTION | ~55 min |
| Bad Config Push | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| BGP Flap at Scale | L4 · Expert | SUBSCRIPTION | ~75 min |
| Firmware Upgrade Gone Wrong | L3 · Advanced | SUBSCRIPTION | ~60 min |
| Capacity Planning | L4 · Expert | SUBSCRIPTION | ~90 min |
| Anycast Failover | L3 · Advanced | SUBSCRIPTION | ~55 min |
| Optical Degradation | L3 · Advanced | SUBSCRIPTION | ~60 min |
| Split Brain | L4 · Expert | SUBSCRIPTION | ~80 min |
| ZTP Debug | L2 · Intermediate | SUBSCRIPTION | ~45 min |
| Power and Cooling Cascade | L4 · Expert | SUBSCRIPTION | ~120 min |
| Lab | Level | Access | Time |
|---|---|---|---|
| Microburst Hunt | L3 · Advanced | SUBSCRIPTION | ~50 min |
| PTP Sync Lost | L3 · Advanced | SUBSCRIPTION | ~55 min |
| Tick-to-Trade | L4 · Expert | SUBSCRIPTION | ~70 min |
| The Two-Microsecond Mystery | L4 · Expert | SUBSCRIPTION | ~75 min |
| Buffer Tuning | L3 · Advanced | SUBSCRIPTION | ~50 min |
| FPGA vs Kernel Bypass | L4 · Expert | SUBSCRIPTION | ~80 min |
| Multicast Gap | L3 · Advanced | SUBSCRIPTION | ~55 min |
| Clock Drift | L2 · Intermediate | SUBSCRIPTION | ~40 min |
| Cable Length Audit | L2 · Intermediate | SUBSCRIPTION | ~40 min |
| Cross-Connect Failover | L3 · Advanced | SUBSCRIPTION | ~55 min |
| Jitter Root Cause | L4 · Expert | SUBSCRIPTION | ~70 min |
| Trading Day Chaos | L5 · Capstone | SUBSCRIPTION | ~150 min |