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Udemy

Cybersecurity for Absolute Beginners: Essential Concepts

via Udemy

Overview

Part 1 of 3: Cybersecurity Basics - Hackers, Threats, Malware, Social Engineering, Core Security Principles, and More

What you'll learn:
  • Understand the 5-Step Hacking Methodology and distinguish between White Hat, Black Hat, and Grey Hat hackers
  • Learn network fundamentals including LANs vs WANs, IP and MAC addresses, TCP/IP Protocol Suite, and how the internet works
  • Identify and recognize malware including viruses, worms, trojans, ransomware, rootkits, and spyware
  • Detect social engineering attacks, phishing campaigns, and email-based threats before they compromise your systems
  • Understand the CIA Triad, Defense in Depth, Least Privilege, and risk management frameworks
  • Learn how multi-factor authentication, firewalls, VPNs, intrusion detection systems, and DMZ architectures work
  • Understand workplace security practices including patch management, incident response, and security assessments
  • Analyze real-world breaches like Colonial Pipeline and TJX to understand how million-dollar attacks succeed and how to prevent them

This course contains the use of artificial intelligence. Specifically, this course utilizes Udemy’s AI-Powered interactive Role Play conversation simulator to enhance your learning experience via customized scenarios to help you practice what you’re learning.


LEARN CYBER SECURITY FUNDAMENTALS FROM ONE OF UDEMY'S TOP IT INSTRUCTORS

Cybercrime cost the global economy $10.5 trillion in 2025. The industry desperately needs 4.8 million qualified professionals. Whether you're switching careers, protecting your small business, or starting in IT, understanding cybersecurity basics is now an essential life skill.

Have you ever wondered exactly how hackers infiltrate networks? Do you freeze when someone mentions firewalls, encryption, or zero-day exploits? Are you tired of feeling vulnerable every time you hear about another massive data breach?

If you answered yes to any of these questions, you're in the right place for learning cybersecurity fundamentals.


WHAT STUDENTS ARE SAYING

Over 8,800 students have enrolled in this cybersecurity basics course. Here's what they're experiencing:

"Such an educational and interesting course. I took this course because I had a mild interest in cybersecurity, but found myself so invested in the topics. Alton is a great teacher, and really makes the concepts understandable." — Juliana ★★★★★

"From someone who has little to no basic knowledge of cybersecurity, this was the perfect place to start as it's given me a simple, yet informative understanding on where to go next." — Christine ★★★★★

"The cybersecurity course was excellent. It was easy to follow, very informative, and full of practical examples. The instructor explained everything clearly and made the sessions engaging." — Alvin ★★★★★


THIS IS PART 1 OF A COMPREHENSIVE 3-COURSE SERIES

This isn't a shallow overview—it's a complete foundation in cybersecurity 101 concepts. Part 1 covers Essential Concepts (threats, principles, countermeasures). Parts 2 and 3 dive into Online Security and Operating System Security. Each course stands alone, but together they create a complete beginner-to-confident transformation in cybersecurity fundamentals.


WHAT YOU'LL RECEIVE IN THIS COURSE

  • 4 Hours of HD Video Lectures & Live Demonstrations

  • 37-Page Course Companion Study Guide eBook (downloadable PDF with diagrams, definitions, and reference materials)

  • 2 Real-World Business Case Studies with Dollar-Amount Damages

  • 9 AI-Powered Role Play Scenarios to Practice What You're Learning with an AI Study Partner

  • 3 Hands-On Student Exercises (Windows & MacOS compatible)

  • Downloadable Course Videos for Offline Viewing (Udemy Mobile App)


WHAT YOU'LL LEARN

You'll understand how hackers think and operate, how networks are structured and attacked, and the defense strategies that security professionals use. This cybersecurity for beginners course covers everything from malware identification to workplace security policies, all taught using my proven "Keep It Simple, Student" (KISS) methodology.


REAL-WORLD CASE STUDIES: LEARN FROM MILLION-DOLLAR DISASTERS

Colonial Pipeline Ransomware Attack (2021)

How a single compromised password led to a $4.4 million ransom payment that shut down America's largest fuel pipeline and caused gas shortages across the entire East Coast. You'll learn exactly which security controls could have prevented this disaster.

TJX Companies Data Breach (2005-2007)

How hackers exploited deprecated WEP encryption to steal 45.6 million credit card numbers over 18 months, costing the retailer $256 million in damages, lawsuits, and remediation. This breach fundamentally changed how retail handles payment security.


BY THE END OF THIS COURSE, YOU'LL BE ABLE TO:

  • Identify common cyber threats and explain how they work to anyone (including your boss or clients)

  • Understand basic security controls and how they protect systems, networks, and data

  • Speak confidently about cybersecurity basics and cybersecurity fundamentals in job interviews or professional settings

  • Make informed decisions about security software, policies, and best practices

  • Progress confidently to advanced cybersecurity courses or professional certifications like Security+ or CISSP


PERFECT FOR ABSOLUTE BEGINNERS

This cybersecurity 101 course requires no prior IT or cybersecurity knowledge. If you can use a computer and browse the internet, you have everything you need to succeed in this cybersecurity basics course. I assume zero technical background and explain everything in plain English with real-world analogies.


WHY ENROLL NOW?

The cybersecurity skills gap is growing, not shrinking. Organizations are desperate for people who understand how to protect digital assets. Whether you want to start a new career in cyber security, protect your business, or simply stop feeling vulnerable online, this knowledge pays dividends immediately.


PREVIEW OVER 30 MINUTES OF THIS COURSE FOR FREE

Scroll down and click the blue "Preview" button on any of my 12 free sample lectures. See my teaching style for yourself before you commit.


READY TO BUILD YOUR CYBERSECURITY FOUNDATION?

Join over 220,000 students who've taken my IT courses and start your cybersecurity journey today.

See you inside the course!

Alton

Syllabus

  • Course Introduction
  • Introduction to Cyber Security
  • Understanding Hackers
  • Networking 101
  • Malware Threats
  • Additional Threats & Vulnerabilities
  • Social Engineering & Email Based Threats
  • Core Cyber Security Principles
  • Fundamental Threat Countermeasures
  • Cyber Security in the Workplace
  • Conclusion & Next Steps

Taught by

Alton Teaches LLC and Alton Hardin | 250,000+ Enrollments Worldwide

Reviews

4.7 rating at Udemy based on 2394 ratings

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