Nmap Basics: Network Scanning and Security Assessments

Understanding what is active on your network is the first step in securing it. Nmap is the industry-standard tool for network discovery, but getting started with its command-line interface can feel overwhelming. This text-based course guides you from absolute beginner to confidently running your first network scans. You will learn how to identify active hosts, open ports, and potential security vulnerabilities, reinforcing your knowledge with targeted written exercises along the way. What you'll learn: 1. Understand core networking concepts, including TCP/IP, ports, and protocols. 2. Run essential Nmap scans to discover active hosts and open ports on a network. 3. Analyze scan results to identify operating systems and service versions. 4. Apply best practices for scanning safely in modern cloud and hybrid environments. 5. Export scan data into structured formats like XML for integration with security workflows. 6. Test your knowledge with written scenario-based quizzes and conceptual exercises. The course begins with foundational networking definitions and Nmap command syntax, moves into practical scanning techniques, and concludes with modern security considerations and comprehensive review quizzes. It is designed for beginners in cybersecurity, IT support, or system administration, with no prior network scanning experience required. Start reading today to build your foundational network security skills.