Cyber Security Basics
Master the world of cybersecurity with hands-on ethical hacking and penetration testing techniques. Learn to secure systems, identify vulnerabilities, and defend against modern cyber threats.
This cybersecurity course covers ethical hacking, penetration testing, network security, and web application security from beginner to advanced levels. Learn how hackers think, discover vulnerabilities, and apply industry-standard tools to protect systems
What You'll Learn
Foundation
Networking Foundations — A Complete Walkthrough
A 20-section walkthrough of computer networking fundamentals: the five core components (sender, rec…
75 minFoundations of Cybersecurity — What is Cyber, What is Security, and Why the Problem is So Hard
A foundational tutorial demystifying cybersecurity from the ground up. Covers the meaning of "cyber…
34 minThe Threat Landscape — Real Cases, Real Newspapers, Real Lessons
A tour of the modern cyber threat landscape through seven verified incidents — Change Healthcare, C…
40 minGovernment Support and Prototyping in Cybersecurity
A tour of the global government cybersecurity ecosystem — CISA, NCSC, CERT-In, ENISA — and the prot…
45 minFoundations — Private Sector & Internet Out of the Lab
A two-part tour: how the Internet moved from ARPANET and NSFNET into private hands in 1995, and how…
39 minPrivatising & Scaling — A Cybersecurity Perspective
A deep walkthrough of how the Internet scaled from 4 ARPANET hosts to 5.4 billion users — through R…
64 minBuilding the Web — A Cybersecurity Perspective
A 24-section cybersecurity walkthrough of how Tim Berners-Lee's three inventions at CERN (URL, HTTP…
75 minThe Internet as a Global Commons — Governance, Stewardship, Threats, and the Future of an Open Network
A 22-section walkthrough of the Internet as humanity's most ambitious shared resource. Covers Ostro…
69 minHow Data Moves Through the Network Stack
A practical, layer-by-layer walkthrough of how a single web request travels from your browser to th…
41 minWhat is Governance? Governing the Internet
A practical guide to internet governance for security professionals, covering what governance actua…
36 minThreat Actors — Who Are the Hackers? From Hobbyists to Criminal Organisations
A cybersecurity professional's guide to the modern threat actor spectrum. Walks through the classic…
43 minCyber Crime Case Study: The San Francisco Muni Ransomware Attack (2016)
On Black Friday 2016, the Mamba ransomware locked about 2,000 computers at San Francisco Muni, forc…
35 minThreat Actors Explained: Hacktivists and Advanced Persistent Threats
Hacktivists and Advanced Persistent Threats (APTs) dominate today's cyber landscape—but their goals…
48 minHacking as a Process: The Cyber Kill Chain
Real cyberattacks unfold in stages, not a single moment. This tutorial explains Lockheed Martin's 7…
49 minA Strategic Approach to Cybersecurity: Framing Effects, Primary Effects, Secondary Effects, and Second-Level Effects Explained
Every cyber incident propagates through four layers: Framing (how leaders perceive risk), Primary E…
49 minCyber for Students
Introduction to Cybersecurity — CIA Triad, Threats, Terminology & Modern Challenges
A beginner-friendly walkthrough of cybersecurity: what it is, how cyberspace and information securi…
25 minMalware, Ransomware, Phishing & Social Engineering
A practical guide to the four biggest digital threats — malware, ransomware, phishing, and social e…
36 minInsider Threats, Zero-Day Attacks & Real Cyber Incidents
Discover how the deadliest cyberattacks actually happen — from Edward Snowden's 1.5M-file leak to t…
30 minEvolution of the Internet and Cyber Ecosystem — Government and Private-Sector Initiatives
Trace the Internet's journey from ARPANET (1960s) to today's AI + 5G world, then explore the modern…
31 minInternet Development, Architecture, Digital Transformation & Cybersecurity Policies and Standards
A single-place walkthrough of four connected topics — how the Internet grew from ARPANET to AI + 5G…
34 minInternet Infrastructure — Commercialization, the World Wide Web & the Internet as a Global Commons
A plain-English tour of the wires, routers, and data centres that make up the Internet, the 1990s s…
31 minSlides
Introduction to Cybersecurity — CIA Triad & Threats Guide
A 15-slide interactive walkthrough of cybersecurity fundamentals — the CIA triad (Confidentiality, …
34 minCybersecurity Basics: Malware, Ransomware, Phishing & Social Engineering — Interactive Slides
An interactive 19-slide walkthrough of the four threats behind 82% of every data breach — malware, …
38 minInsider Threats, Zero-Day Attacks & Real Cyber Incidents — Interactive Slides
An interactive 18-slide walkthrough of the two most dangerous attack categories in modern cybersecu…
49 minEvolution of the Internet & the Cyber Ecosystem — Government + Private Initiatives
A 19-slide interactive walkthrough of how the internet grew from ARPANET's 4 computers to today's 3…
45 minInternet Architecture, Digital Transformation & Cybersecurity Standards
A 17-slide interactive walkthrough of how the internet is built, how organisations modernise on top…
48 minInternet Infrastructure, Commercialisation, the Web & the Global Commons
A 16-slide interactive walkthrough of the internet's three inseparable dimensions — the physical in…
44 minDNS Servers Explained — Root, TLD, Authoritative, ICANN Chain, Hosts File, nslookup & dig
An 18-slide interactive walkthrough of DNS from the ground up — what a DNS server is, how DHCP hand…
55 minIP Addressing Explained — Public, Private, NAT, Subnet Mask & IPv6
A 16-slide interactive walkthrough of IP addressing from scratch — what an IP is, which OSI layer i…
51 minIPv4 Classes, CIDR & Subnetting — Network, Broadcast, VLSM
A 13-slide interactive walkthrough of IPv4 subnetting from scratch — Classes A/B/C/D/E with binary …
60 minThe OSI Model — 7 Layers, PDUs, Protocols & Data Encapsulation
A 23-slide interactive walkthrough of the OSI model — every one of the 7 layers explained across 2 …
69 minNetwork Security — Secure Protocols, Packet Analysis & Firewalls
A 25-slide interactive walkthrough of practical network security — secure communication protocols (…
59 min