by Marc Heuse | Publisher: Packt Publishing | Release Date: July 2018 | ISBN: 9781788836074

Protect networks from attacks by thinking like a hackerAbout This VideoA comprehensive and friendly guide to understanding how to secure your Linux System.Covers security with fully up-to-date techniques, code examples, and use cases.A practical tutorial designed to help network engineers understand securityIn DetailDo you worry about hackers hacking into your system running locally or remotely? Then this course is for you; you will learn (via practical examples) how to secure your system from such attacks.In this course, you will learn to secure workstations and servers against unauthorized persons.We start with the three critical fundamentals that must be dealt with first: updates, passwords, and firewalls. We then give you an overview of what it actually means to secure a system, what an attack surface is, how hackers perform attacks and how to successfully protect against them. You will learn to secure a Linux machine, by securely configuring and running services, performing logging, secure backups, and more. The course will show you how to secure your system locally or remotely. Finally, you will be shown how to verify your set up.By the end of the course, you will have mastered security on Linux systems.

1. Chapter 1 : How Hackers Work
   • The Course Overview 00:05:27
   • Port Scanning 00:04:21
   • Insecure Software 00:06:15
   • Passwords 00:05:13
   • Attacks on Administrator Workstations 00:03:26
   • Identify Your Attack Surface 00:07:11
2. Chapter 2 : Critical Tasks First
   • Configuring Automated Security Updates 00:15:17
   • Implementing Password Security 00:10:17
   • Configuring Firewalling 00:05:50
3. Chapter 3 : Securing the Kernel and Services
   • Configuring the Kernel Against Remote Attacks 00:05:02
   • Disabling Unnecessary Services 00:04:20
   • Securely Configuring Services 00:01:42
   • Hands-on Example – Postfix 00:05:46
   • Hands-on Example – Apache 00:05:45
4. Chapter 4 : Exploring the Local System Security
   • Securing the Boot Process 00:07:39
   • Using the SUID/SGID 00:05:26
   • Exploring Permissions 00:09:23
5. Chapter 5 : Secure Management
   • Secure Remote Access 00:04:46
   • Secure Logging and Monitoring 00:06:54
   • Secure Backups 00:02:47
   • Configuring Important Security Software 00:03:18
6. Chapter 6 : Verifying the Security Setup
   • Running a Port Scanner 00:03:05
   • Running a Security Scanner 00:04:41
   • Outlook and Closure 00:03:21