Linux Hardening

Course details

Are you a Linux systems administrator seeking to learn the best practices for securing your network? New threats are emerging every day, and as an administrator, you need to stay ahead of threats. In this course, Corey Holzer takes you through hardening for the system level, services, and user account management.

Concepts

0. Introduction

01 - Course overview

1. Hardening in Theory

02 - Why we harden
03 - Hardening-in-depth as a concept
04 - The CIS benchmarks
05 - Hardening the foundation
06 - Hardening storage devices
07 - Firewalls and IPS IDS as endpoint security
08 - Managing services
09 - Lifecycle management
10 - Recommendations for integrating hardening measures

2. System Hardening in Theory

11 - Hardening the hardware
12 - Hardening the bootloader
13 - Securing the kernel
14 - Disabling Ctrl-Alt-Delete (demo)
15 - Securing storage devices, part one
16 - Securing storage devices, part two
17 - Disabling SUID and SGID permissions (demo)
18 - Blocking unwanted activities and traffic
19 - Minimizing the OS attack surface, part one
20 - Minimizing the OS attack surface, part two
21 - Network hardening at the host
22 - System administration hardening
23 - Testing, monitoring, and reviewing

3. System Hardening in Practice

24 - General handling of services, part one
25 - General handling of services, part two
26 - Hardening public-facing services
27 - Hardening the secure shell (SSH) service, part one
28 - Limiting logins through SSH (demo)
29 - Hardening the secure shell (SSH) service, part two

4. Accounts Hardening in Practice

30 - User password authentication requirements
31 - Alternate user authentication requirements
32 - Creating and implementing a key pair for login (demo)
33 - Account management requirements
34 - Reviewing accounts

5. Course Review and What's Next

35 - Linux hardening course review
36 - Linux hardening - What's next