Overview

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Master the art of securing systems and networks with this comprehensive course designed to equip you with essential skills in cybersecurity. From understanding command-line tools to fortifying wireless LANs, this course covers a broad spectrum of topics vital for IT security professionals. Gain the expertise to safeguard networks, systems, and data from a variety of threats and vulnerabilities. Begin your journey by exploring essential command-line tools and techniques used in network reconnaissance and analysis. Progress to advanced topics like centralized logging, cybersecurity benchmarks, and practical labs on tools like Nmap and Wireshark. Each module blends theoretical understanding with hands-on practice, ensuring a robust learning experience. Dive deeper into securing individual systems, LANs, and wireless networks. Learn to mitigate malware, enforce secure configurations, and deploy encryption methods to protect data. Through case studies, labs, and interactive discussions, you'll understand advanced concepts such as intrusion prevention, VPNs, and zero-trust architecture. This course is tailored for IT professionals, students, and enthusiasts aiming to excel in cybersecurity. Basic IT knowledge is recommended to make the most of the course. Whether you are starting your journey or looking to expand your expertise, this course is your gateway to mastering network security.

Syllabus

Tools of the Trade

In this module, we will explore the foundational tools security professionals use to interact with systems and networks. From mastering command-line interfaces like Windows Command Prompt, Linux bash, and Microsoft PowerShell to using network reconnaissance tools such as Nmap and Wireshark, this section equips you with the practical skills to manage and secure systems effectively. You'll also delve into centralized logging, cybersecurity benchmarks, and hands-on labs to enhance your technical proficiency.

Securing Individual Systems

In this module, we will delve into securing individual systems by addressing vulnerabilities like malware, weak configurations, and overflow attacks. You'll learn about securing hardware, implementing RAID configurations for data availability, and enhancing endpoint security. Additionally, the module covers encryption techniques, botnet threats, and hands-on labs to reinforce your understanding of these critical security measures.

Securing The Basic LAN

In this module, we will focus on securing local area networks (LANs) by exploring topics like cryptographic methods, digital certificates, and zero-trust network models. You'll gain insights into firewall configurations, intrusion detection and prevention systems (IDS/IPS), and honeypots for monitoring malicious activity. This module also emphasizes planning secure network architectures and utilizing tools like VLANs and NAT to enhance network security.

Securing Wireless LANs

In this module, we will cover the security challenges unique to wireless LANs, including Wi-Fi encryption standards, Bluetooth vulnerabilities, and cracking WPA2. You'll learn how to identify and address weak points in wireless coverage and performance, mitigate common attacks, and apply techniques to harden wireless networks. Hands-on labs will give you practical experience with securing wireless communication and defending against wireless threats.