Learn cybersecurity from zero. Without the hype.
A structured path through IT fundamentals, operating systems, networking and security. Short lessons, real knowledge checks and progress that survives the week you got busy.
IT & Security Foundations
How computers work
3 lessons
Operating systems and the command line
3 lessons
Networking
3 lessons
Security basics and next steps
3 lessons
Next up
Files, users and permissions
12 min · 5 questions
Built for the beginning
The parts beginners actually get stuck on, handled properly.
Most courses start with a tool and work backwards. This one starts with how the machine works, then shows you what that means for defending it.
Explain, don't hand-wave
Every lesson starts with the thing you actually need to know, in plain language. No assumed networking background, no jargon used before it is defined.
Check what stuck
Five server-graded questions after every lesson, with an explanation for each answer. Retry as often as you like; the score is honest.
Leave with evidence
Progress, streaks, notes and a verifiable completion certificate. Something to show for the evenings you put in.
The curriculum
IT & Security Foundations
Twelve short lessons that explain how computers, operating systems and networks actually work, then turn that knowledge into practical security habits. No experience required.
- Explain what IT and cybersecurity teams do, and how the roles differ
- Describe how hardware, operating systems and files fit together
- Read an IP address, a DNS lookup and an HTTP response
- Use the terminal to navigate a system and inspect permissions
- Apply the CIA triad and basic threat modelling to everyday risks
- Recognise phishing and build a safer password and MFA routine
How computers work
3 lessons · 30 minThe physical and logical pieces behind every system you will ever secure.
Operating systems and the command line
3 lessons · 35 minWhere users, files and permissions live, and how to move around without a mouse.
Networking
3 lessons · 36 minHow data finds its way from one machine to another, and what that means for security.
Security basics and next steps
3 lessons · 35 minThe mental models and habits that make the technical knowledge useful.
How it works
A small, finishable path. Not an infinite feed.
Twelve lessons is deliberately small. Finish it, prove it, then choose a direction with a foundation underneath you.
- No hosted attack tooling, malware or live targets
- Offensive topics stay conceptual and point to legal labs
- An ethics and law lesson before any hands-on practice
- No adverts, affiliate links or invented urgency
Create a free account
Email and a password. No card, no trial countdown, no upsell halfway through lesson four.
Work through the track
Short lessons, one idea at a time. Mark complete, take the quiz, keep a note on anything that felt slippery.
Finish and verify
Complete all twelve lessons to issue a certificate with a public verification link you can share.
Start with the fundamentals. Decide the career after.
You do not need a homelab, a certification or permission from anyone to learn how a computer works. You need a browser, a couple of hours a week and a path that does not skip the boring parts.
Topics covered
- Computer hardware, operating systems and binary data
- Windows, macOS and Linux fundamentals
- Files, users, permissions and the command line
- IP addressing, DNS, DHCP and home network security
- Ports, TCP, UDP, HTTP, TLS and session cookies
- Threat modelling, phishing, MFA and security ethics