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
Introduction
- Ensuring system security
- Resources
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)
Locking Down Linux and macOS
- Protecting your macOS
- Interacting with a Linux OS
- Using the Linux file system
- Avoiding malware on a Linux host
Understand User Authentication
- Identify and authenticate
- Passwords and complexity
- Smart cards and tokens
- Biometric identification
- Multi-factor authentication
Protecting and Monitoring the OS
- Using a firewall
- Locking down the browser
- Hardening the OS
- Protocol good practices
Providing Email Protection
- Email clients and servers
- Email and SPAM
- PTR records
Understanding Encryption
- Cryptographic techniques
- Symmetric encryption
- Asymmetric encryption
- Diving into hash algorithms
- Public Key Infrastructure
Conclusion
- Next steps