Linux Hardening & Baselining (CIS, Lynis)
beginner Hands-on lab 45 min 4 tasksSubscription
Audit a Linux host with Lynis, read its hardening index, and remediate toward a CIS Benchmark baseline by fixing SSH, kernel, and auth controls.
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Launch the lab in your browser. Real Kali, Ubuntu and Windows targets, guided step by step. No setup, no VM downloads.
Updated 2026-06-06