Security Fundamentals – Core Cybersecurity Essentials

Overview

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This course 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. This comprehensive course covers the essentials of cybersecurity, starting with fundamental concepts like the CIA triad, core security principles, and risk management. Learners will also explore critical topics such as physical security, browser security, and wireless security technologies to create a solid understanding of how to safeguard systems and networks. Through detailed lessons on operating systems, network security, and protection software, the course provides a thorough breakdown of how to mitigate common cyber threats, vulnerabilities, and exploits. As the course progresses, learners will dive deep into user authentication, encryption, malware analysis, and firewalls, all while developing a practical understanding of real-world security strategies. Topics like IPSec, email protection, and client-side security will equip students with the tools they need to secure both personal and professional systems. This course is perfect for aspiring IT professionals, cybersecurity enthusiasts, or anyone wanting to understand the critical elements of securing networks and systems. No specific prerequisites are required, though a basic understanding of computer systems can be helpful. By the end of the course, you will be able to identify security threats, apply encryption methods, manage network security measures, and understand how to protect against malware, securing both systems and networks effectively.

Syllabus

Security Layers

In this module, we will introduce the foundational concepts of security layers. You’ll learn about core security principles such as the CIA triad and the principle of least privilege, explore common cybersecurity threats and vulnerabilities, and gain insights into effective risk management strategies.

Operating System Security

This section delves into the crucial aspects of cybersecurity, starting with the fundamentals of user authentication and moving through permissions, password policies, audit policies, encryption, certificates, and finally, the different types of malware.

Network Security

In this module, we will focus on crucial aspects of network security, such as firewalls, network isolation techniques, and secure protocols. We will dive into the various types of firewalls, their roles in protecting networks, and explore strategies like VPNs and NAT for isolating and securing network traffic. Additionally, we will cover IPSec, detailing its components and how it ensures the confidentiality and integrity of data during transmission.

Security Software

In this module, we will cover key security software tools and techniques to protect both client and server systems. We will explore client-side protection methods such as antivirus software and patch management, along with email security strategies including spam filtering. Additionally, we will discuss server-side protection practices, including DNSSEC and secure protocols, to ensure comprehensive defense for all types of systems.