Operating System Security Basics: Windows and Linux

Protecting an operating system is the first line of defense in any IT environment, yet many beginners struggle with where to start. This course builds a strong foundation in OS-level security, teaching you how to harden systems, manage access, and monitor activity across both Windows and Linux environments. You will move from understanding basic vulnerabilities to implementing the controls used by IT professionals to keep data safe. What you'll learn: - Understand the fundamental principles of operating system security and the modern threat landscape. - Configure and manage firewalls to control network traffic on both Windows and Linux. - Analyze system logs to detect unauthorized access and troubleshoot security incidents. - Apply granular file permissions and user access controls to protect sensitive data. - Implement modern security best practices, including patch management and zero-trust concepts. - Practice identifying vulnerabilities within standard OS configurations. The course begins with core security terminology and foundational definitions before moving into detailed written walkthroughs for managing firewalls, permissions, and auditing tools. You will learn how to navigate administrative interfaces and command-line environments to secure a variety of systems. This course is designed for absolute beginners interested in IT support or cybersecurity. No prior technical experience or specialized hardware is required. Start building your technical security toolkit today.