Week 11c: Kernel Hardening & AppArmor Profiles
Goal Learn to harden the Linux kernel using sysctl parameters and implement AppArmor profiles to confine applications. These are the core technical controls that limit what attackers can do even after gaining code execution. Prerequisites: Week 11b (MAC Systems & Security Auditing) This is Part 3 of 4 - Covers kernel hardening and AppArmor implementation. 1. Kernel Hardening with sysctl What is Kernel Hardening? The Linux kernel has hundreds of tuneable parameters that affect security. Kernel hardening means configuring these parameters to: ...