Cybersecurity Concepts

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. Unlock the foundations of cybersecurity with this comprehensive course designed to equip you with essential knowledge and tools to defend against modern threats. You’ll explore key concepts, techniques, and technologies that enable cybersecurity analysts to safeguard sensitive data and combat malicious activity effectively. Dive deep into the building blocks of cybersecurity, starting with logging and operating system fundamentals, followed by insights into network infrastructure and IAM principles. You'll gain a strong grasp of encryption, network architecture, and tools like Wireshark, SIEM, and SOAR that are vital for detecting and mitigating threats. As the course progresses, you’ll tackle real-world challenges such as identifying malicious activities across networks, hosts, and applications. Additionally, you'll explore advanced tools for email and file analysis, sandboxing, DNS reputation, and user behavior analytics. Each module builds on the last, ensuring you’re prepared to handle a variety of cybersecurity scenarios. This course is perfect for aspiring cybersecurity professionals, IT enthusiasts, and tech-savvy individuals eager to bolster their defense skills. No prior experience in cybersecurity is necessary, though basic computer knowledge will enhance your learning experience.