IT Security Foundations: Operating System Security

1h 43mBeginner2022-04-22

Authors

Lisa Bock

Security ambassador with a broad range of IT skills and knowledge

Course details

The operating system is where many attacks are targeted, which makes OS-level security just as important to your organization as network security. In this course, instructor Lisa Bock details what’s actually involved in securing an operating system, whether you’re using Windows, macOS, or Linux. Lisa reviews user authentication, the structure of Active Directory, and how to assign permissions and create audit policies. In addition, she covers various cryptographic techniques, as well as how to protect servers and email.

Skills covered

Operating System DistributionIT Help DeskIncident ResponseFoundationsCybersecurity

Concepts

0. Introduction

01 - Ensuring system security
02 - Resources

1. Working with a Window OS

03 - Securing the Windows OS
04 - Visualizing the Windows architecture
05 - Dissecting the NTFS
06 - NTFS demo
07 - Controlling folder access
08 - Using runas
09 - Exploring User Account Control (UAC)

2. Locking Down Linux and macOS

10 - Protecting your macOS
11 - Interacting with a Linux OS
12 - Using the Linux file system
13 - Avoiding malware on a Linux host

3. Understand User Authentication

14 - Identify and authenticate
15 - Passwords and complexity
16 - Smart cards and tokens
17 - Biometric identification
18 - Multi-factor authentication

4. Protecting and Monitoring the OS

19 - Using a firewall
20 - Locking down the browser
21 - Hardening the OS
22 - Protocol good practices

5. Providing Email Protection

23 - Email clients and servers
24 - Email and SPAM
25 - PTR records

6. Understanding Encryption

26 - Cryptographic techniques
27 - Symmetric encryption
28 - Asymmetric encryption
29 - Diving into hash algorithms
30 - Public Key Infrastructure

Conclusion

31 - Next steps