IT Security Foundations: Operating System Security

Whether you’re using Windows, macOS, or Linux, learn how to secure your operating system against attacks.

Introduction

• Ensuring system security
• Resources

1. Working with a Window OS

• Securing the Windows OS
• Visualizing the Windows architecture
• Dissecting the NTFS
• NTFS demo
• Controlling folder access
• Using runas
• Exploring User Account Control (UAC)

2. Locking Down Linux and macOS

• Protecting your macOS
• Interacting with a Linux OS
• Using the Linux file system
• Avoiding malware on a Linux host

3. Understand User Authentication

• Identify and authenticate
• Passwords and complexity
• Smart cards and tokens
• Biometric identification
• Multi-factor authentication

4. Protecting and Monitoring the OS

• Using a firewall
• Locking down the browser
• Hardening the OS
• Protocol good practices

5. Providing Email Protection

• Email clients and servers
• Email and SPAM
• PTR records

6. Understanding Encryption

• Cryptographic techniques
• Symmetric encryption
• Asymmetric encryption
• Diving into hash algorithms
• Public Key Infrastructure

Conclusion

• Next steps