SECURE LABORATORY CURRICULUM

Operating System Security

Master OS hardening across Windows, Linux, and macOS. Learn to systematically reduce attack surfaces, enforce least privilege, harden file systems, automate compliance with CIS benchmarks, and defend against real-world privilege escalation attacks.

Class Progress metrics

Resolved Checklist:0 / 49 Labs

0% COMPLETE

Duration:61.5 hours

Accumulative Level:Lvl Advanced

XP Award:★ 3000 XP

Assigned Instructor

Vulnarex Instructor

Offensive Security & OS Hardening Specialist

Acquired Skills

OS Hardening (Windows, Linux, macOS)Privilege Management & RBACFile System Permissions & ACLsPatch Management & Update LifecyclePrivilege Escalation DefenseCompliance Automation (CIS, DISA STIGs)

Common OS Security Concepts (Trusted Computing Base, Security Kernel)LAB BLOCK-ID: common-os-security-concepts

Launch classroom

OS Attack Surface Overview (Services, Ports, Processes, Registry/FS)LAB BLOCK-ID: os-attack-surface-overview

Launch classroom

Secure Installation & Baseline ConfigurationLAB BLOCK-ID: secure-installation-baseline-configuration

Launch classroom

Operating System Security

Assigned Instructor

Vulnarex Instructor

Acquired Skills

Module 1: Operating System Security Fundamentals

Module 2: User Account & Privilege Management

Module 3: File System Permissions & Access Control

Module 4: Windows Hardening

Module 5: Linux Hardening

Module 6: macOS Hardening

Module 7: Patch Management & Update Lifecycle

Module 8: OS Hardening Automation & Compliance

Module 9: Real-World OS Attacks & Defenses

Module 10: Capstone Lab