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Bestseller Recently updated Technology · Security

Introduction to Cyber Security

From Beginner to Security-Aware Professional — understand threats, learn how hackers think, and protect your systems, accounts, and data.

3.9 (118 ratings) Created by David Okafor
Beginner 59 lessons 10h 44m Updated Jun 2026 English
Preview this course
₹199 ₹999 80% off
incl. GST
left at this price!
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7-day money-back guarantee

What you'll learn

Explain what cyber security is and why everyone is a target today
Apply the CIA triad and the risk equation to real situations
Recognize malware, phishing, and social-engineering attacks before they work
Protect your accounts with strong passwords, passphrases, and multi-factor authentication
Secure your networks, devices, browsing, and data with practical habits
Build a personal cyber security action plan you can actually follow

This course includes

10h 44m of on-demand content
59 lessons across 14 sections
Access on mobile and desktop
Certificate of completion
Lifetime access
Curriculum

Course content

14 sections · 59 lessons · 10h 44m

Course Introduction Preview 12 min
The Digital World We Live In Preview 13 min
Understanding Cyber Threats Preview 14 min
Section Quiz · Welcome to Cyber Security 13 min

The CIA Triad 14 min
Risk, Threat, and Vulnerability 15 min
Security Controls 14 min
Section Quiz · Cyber Security Fundamentals 15 min

Who Are Hackers? 14 min
Organized Cybercrime 15 min
Insider Threats 13 min
Section Quiz · Cyber Criminals and Threat Actors 13 min

Malware Fundamentals 14 min
Viruses, Worms, and Trojans 16 min
Ransomware Attacks 16 min
Spyware and Keyloggers 14 min
Botnets 15 min
Section Quiz · Common Cyber Attacks 25 min

The Human Element 13 min
Phishing Attacks 16 min
Vishing and Smishing 14 min
Social Media Manipulation 14 min
Section Quiz · Social Engineering 17 min

Why Passwords Matter 13 min
Creating Strong Passwords 14 min
Multi-Factor Authentication 14 min
Password Managers 13 min
Section Quiz · Authentication and Password Security 20 min

What Is a Network? 14 min
Firewalls 15 min
Secure Wi-Fi 14 min
VPN Fundamentals 14 min
Section Quiz · Network Security Basics 20 min

How Websites Work 14 min
Website Security Risks 16 min
Secure Browsing Habits 13 min
Mobile Application Security 14 min
Section Quiz · Web and Application Security 20 min

Understanding Data 13 min
Encryption Basics 15 min
Data Backups 14 min
Digital Privacy 14 min
Section Quiz · Data Protection and Privacy 20 min

Security Policies 13 min
Security Awareness Training 13 min
Incident Response Basics 15 min
Section Quiz · Security in Organizations 15 min

Cloud Security 15 min
Internet of Things Security 14 min
Artificial Intelligence and Cyber Security 15 min
Future of Cyber Security 13 min
Section Quiz · Emerging Technologies and Future Threats 20 min

Security Assessment Challenge 20 min
Cyber Security Action Plan 20 min
Section Quiz · Final Course Project 10 min

Key Takeaways 12 min
Next Steps in Cyber Security 14 min
Section Quiz · Course Wrap-Up 10 min

Final Assessment & Certification 50 min

Requirements

  • No prior experience or technical background required
  • A device connected to the internet and a little curiosity

Description

What you'll learn

A complete, beginner-friendly introduction to cyber security — the practice of protecting systems, data, and people from digital harm. No technical background is needed; every idea is explained from scratch with plain-language analogies, diagrams, real-world breach stories, and quick knowledge-check quizzes.

The journey

You start with the fundamentals — what cyber security is, the CIA triad, and how risk really works — then meet the attackers and their tools: malware, ransomware, phishing, and social engineering. From there you build practical defenses: strong passwords and multi-factor authentication, network and Wi-Fi security, safe browsing, and data protection through encryption and backups. The final sections cover security in organizations, emerging threats like cloud, IoT, and AI, and a hands-on personal action plan.

Capstone & certification

The course ends with a security self-assessment, a personal cyber security action plan, and a 50-question final assessment so you can prove what you've learned.

Who this is for

Complete beginners, students, IT enthusiasts, small business owners, and any professional who wants to become genuinely cyber-aware. If you use the internet, this course is for you.

Topics covered

cyber-security security privacy phishing beginner
Your instructor
D

David Okafor

DevOps & CI/CD Engineer · 12 yrs · Platform Lead, Northwind Cloud

3.9 course rating 2 courses

David has spent 12 years turning fragile, manual deployments into calm, automated pipelines. He has run platform and SRE teams across fintech and SaaS, and teaches CI/CD the way he wishes someone had taught him — starting from a single green build and growing out.

3.9 course rating · 118 ratings

J
Joelle Will
7 months ago

Enjoyed it a lot. Practical and easy to follow — just wished a couple of topics went deeper.

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G
Grady Barton
9 months ago

An okay starting point. Clear enough, just not as comprehensive as I was hoping.

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D
Dr. Emmanuel Wiegand
8 months ago

Would not recommend. It promised a lot but barely scratched the surface of the topic.

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M
Mr. Johnny Hoeger Sr.
1 year ago

Brilliant. I finally understand topics that always confused me. The hands-on bits made all the difference.

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  • Report this review

Frequently asked questions

Yes — once you enroll, the course is yours to revisit forever. New revisions and bonus lessons are added at no extra cost.

Finish every lesson and you'll unlock a shareable certificate you can post on LinkedIn or include with job applications.

If the course isn't a fit, request a refund within 7 days of purchase — no questions asked.

Code, slides, and worksheets are downloadable on each lesson page. Videos stream from our CDN so you can watch on any device.

Each course states its level in the hero. If you're comfortable with the prerequisites listed, you're ready to start.

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