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