Master of cyber security

Become confident with the foundations of cybersecurity through this comprehensive, practical learning guide from Cyber World University.

Cybersecurity Fundamentals is the starting point for anyone who wants to understand how computers, networks, applications, cloud systems and digital information are protected against cyber threats.

This guide explains cybersecurity concepts in simple language and connects theory with real-world attacks, security technologies and professional tools.

WHAT YOU WILL LEARN

• Cybersecurity fundamentals and the CIA Triad

• Confidentiality, Integrity and Availability

• Threats, vulnerabilities, risk and security controls

• Attack surface and attack-surface discovery

• Networking and the OSI Model

• TCP/IP, ports, routing, DNS and DHCP

• Linux and Windows security fundamentals

• Ethical hacking methodology

• Reconnaissance and enumeration

• Web application security

• HTTP, cookies, sessions and authentication

• Cryptography, encryption, hashing and digital signatures

• Malware and ransomware fundamentals

• Digital forensics

• Network security

• Firewalls, IDS, IPS and VPNs

• Cloud security and IAM

• Penetration-testing fundamentals

• Incident response

• SOC operations and threat hunting

• SIEM, EDR, XDR, SOAR and modern cyber defense

• Real-world cybersecurity incidents and attack scenarios

REAL-WORLD EXAMPLES

• WannaCry ransomware

• Colonial Pipeline ransomware attack

• DNS hijacking

• Credential theft

• Website defacement

• DDoS attacks

• Phishing

• SQL injection

• Cross-site scripting

• Credential stuffing

• Supply-chain attacks

• Cloud misconfigurations

• Insider threats

POPULAR TOOLS COVERED

• Kali Linux

• Nmap

• Wireshark

• Cisco Packet Tracer

• Burp Suite

• OWASP ZAP

• Metasploit

• OpenSSL

• GnuPG

• Ghidra

• REMnux

• Autopsy

• Volatility

• Snort

• Suricata

• Nessus

• Splunk

• Microsoft Sentinel

• Elastic

• Microsoft Defender

• CrowdStrike

• AWS security tools

• Azure security tools

WHO THIS IS FOR

• Cybersecurity beginners

• B.Sc. / BCA / Computer Science students

• Ethical hacking students

• Cybersecurity learners

• SOC analyst beginners

• Networking students

• IT professionals starting cybersecurity

• Aspiring penetration testers

• Students preparing for cybersecurity certifications

• Anyone who wants a strong cybersecurity foundation

WHY THIS GUIDE

✓ Beginner-friendly explanations

✓ Practical cybersecurity concepts

✓ Real-world attack examples

✓ Security tools introduced alongside concepts

✓ Networking and cybersecurity foundations

✓ Defensive and offensive-security fundamentals

✓ Useful for academic learning and self-study

✓ Structured learning from fundamentals toward advanced cybersecurity topics

COURSE / MODULE STRUCTURE

Module 1 — Cybersecurity Fundamentals

Module 2 — Networking

Module 3 — Linux & Windows Security

Module 4 — Ethical Hacking

Module 5 — Web Application Security

Module 6 — Cryptography

Module 7 — Malware Analysis

Module 8 — Digital Forensics

Module 9 — Network Security

Module 10 — Cloud Security

Module 11 — Penetration Testing

Module 12 — Incident Response

Module 13 — Cyber Defense & SOC

AUTHOR

Mr. E. Hemanathan

CEO, Cyber World University

Cybersecurity Researcher • Ethical Hacking Educator • Technology Creator

EDUCATIONAL DISCLAIMER

This material is intended for educational and cybersecurity-awareness purposes. Security tools and techniques should only be used on systems, networks and applications that you own or have explicit permission to test. The examples are provided to help learners understand cybersecurity concepts and defensive practices.

© 2026 E HEMANATHAN / Cyber World University