Every master checklist, beginner guide, speed reference, and CIS cross-reference — rebuilt as an interactive site. Copy-paste every command, check off items as you go, get plain-English breakdowns of the gnarly ones, and practice against the clock.
Downloadable practice VM images to harden on your own time.
Role division and time budgeting for a 6-person round.
Floating timer in the bottom-right corner of every page — countdown or stopwatch, presets for 25m/50m/90m/6h rounds.
The full, deep-dive hardening checklists — every command has an Expected Result and an If-It-Fails troubleshooting note.
Full Debian/Ubuntu + RHEL/Fedora hardening checklist — accounts, SSH, firewall, malware hunting, and more.
Windows 10/11 workstation hardening — accounts, policy, firewall, services, persistence hunting, and 25 sections deep.
AD DS, DNS, DHCP, GPO, IIS, and server-role hardening for Domain Controllers and member servers.
Router/switch IOS hardening for the Packet Tracer module — lines, ACLs, VLANs, STP, routing, and a full worked example.
New to an OS? Start here before the master checklist.
New to Linux? Start here before the full master checklist.
New to Windows hardening? Start here first.
New to Active Directory / Windows Server? Start here first.
New to Cisco IOS / Packet Tracer? Start here first.
Condensed command sheets with no explanations — for when the clock is running low.
Condensed, no-explanation command sheet for when the clock is running.
Condensed, no-explanation command sheet for when the clock is running.
Condensed, no-explanation command sheet for when the clock is running.
Condensed, no-explanation command sheet for when the clock is running.
Maps checklist items back to CIS Benchmark categories.
Cross-reference the Linux checklist against CIS Benchmark categories.
Cross-reference the Windows Client checklist against CIS Benchmark categories.
Cross-reference the Windows Server checklist against CIS Benchmark categories.
Cross-reference the Cisco checklist against CIS IOS/IOS-XE Benchmark categories.