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Security Fundamentals – Core Cybersecurity Essentials

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Security Fundamentals – Core Cybersecurity Essentials

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Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

9 hours to complete
Flexible schedule
Learn at your own pace

Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

9 hours to complete
Flexible schedule
Learn at your own pace

What you'll learn

  • Understand core security principles and how to implement them.

  • Learn how to secure both operating systems and networks from cyber threats.

  • Identify and mitigate various forms of malware and system vulnerabilities.

  • Apply encryption and authentication techniques to enhance system security.

Details to know

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Recently updated!

May 2026

Assessments

6 assignments

Taught in English

There are 4 modules in this course

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.

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.

What's included

8 videos1 reading1 assignment

8 videosβ€’Total 156 minutes
  • Overviewβ€’4 minutes
  • Core Security Principlesβ€’28 minutes
  • Threats, Vulnerabilities and Exploitsβ€’22 minutes
  • Risks and Impactβ€’14 minutes
  • Social Engineeringβ€’15 minutes
  • Physical Securityβ€’23 minutes
  • Browser Securityβ€’23 minutes
  • Wireless Securityβ€’28 minutes
1 readingβ€’Total 10 minutes
  • Full Course Resourcesβ€’10 minutes
1 assignmentβ€’Total 15 minutes
  • Security Layers - Assessmentβ€’15 minutes

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.

What's included

7 videos1 assignment

7 videosβ€’Total 140 minutes
  • User Authenticationβ€’18 minutes
  • Permissionsβ€’26 minutes
  • Password Policiesβ€’18 minutes
  • Audit Policiesβ€’11 minutes
  • Encryptionβ€’20 minutes
  • Certificatesβ€’23 minutes
  • Malwareβ€’24 minutes
1 assignmentβ€’Total 15 minutes
  • Operating System Security - Assessmentβ€’15 minutes

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.

What's included

4 videos1 assignment

4 videosβ€’Total 79 minutes
  • Firewallsβ€’18 minutes
  • Network Isolationβ€’25 minutes
  • Secure Protocolsβ€’21 minutes
  • IPSecβ€’15 minutes
1 assignmentβ€’Total 15 minutes
  • Network Security - Assessmentβ€’15 minutes

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.

What's included

3 videos3 assignments

3 videosβ€’Total 47 minutes
  • Client-side Protectionβ€’15 minutes
  • Email Protectionβ€’17 minutes
  • Server-side Protectionβ€’15 minutes
3 assignmentsβ€’Total 90 minutes
  • Security Software - Assessmentβ€’15 minutes
  • Full Course Assessmentβ€’60 minutes
  • Full Course Practice Assessmentβ€’15 minutes

Instructor

Packt
1,926 Coursesβ€’560,010 learners

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Frequently asked questions

Security Fundamentals – Core Cybersecurity Essentials is a course that provides an introduction to the foundational concepts and principles of cybersecurity. It is relevant because as cyber threats continue to evolve, understanding the essential aspects of security, including threat management, secure communication, and system protection, is crucial for anyone involved in IT or cybersecurity. The course covers key topics like security layers, operating system security, network security, and more, making it a comprehensive starting point for cybersecurity knowledge.

This course focuses on essential cybersecurity principles, including core security concepts such as the CIA triad (confidentiality, integrity, availability), common cyber threats, risks, and physical and browser security. It covers security techniques for operating systems, networks, and specific software tools. The course provides learners with practical knowledge to implement and understand various protective measures, from securing user authentication to setting up firewalls and managing malware risks.

After completing this course, you will have a solid understanding of fundamental cybersecurity concepts and be able to identify and implement key security practices. You will be able to apply security principles to protect systems, recognize threats and vulnerabilities, implement secure protocols, and manage network and operating system security. This foundational knowledge will enable you to pursue further education or apply cybersecurity practices in your professional role.

No prior cybersecurity knowledge is required to enroll in this course. It is designed for beginners and anyone interested in learning the basics of cybersecurity. However, a general understanding of computer systems and basic IT concepts will be helpful but is not mandatory.

This course is ideal for individuals who are new to cybersecurity, as well as those who want to strengthen their understanding of core cybersecurity principles. It is suitable for students, aspiring IT professionals, or anyone interested in gaining foundational knowledge in securing digital systems and networks.

The course consists of 7 hours of video content. Depending on your pace and engagement with the material, the course could be completed in a few days or over a couple of weeks.

Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.

If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.

Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.

If you complete the course successfully, your electronic Course Certificate will be added to your Accomplishments page - from there, you can print your Course Certificate or add it to your LinkedIn profile.

This course is currently available only to learners who have paid or received financial aid, when available.

Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.

Financial aid available,