Network Fundamentals
FundamentalUnderstand how data moves across a network, from frame to packet.
- 13 sections
- 2.5 h
- Basic English
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Available in FR · AR · EN
● Free · trilingual · no ads
Learn cybersecurity, properly.
Written courses that take you from networking basics to web security and penetration testing. Free, text-first, and built to work on the connection you actually have.
Course content is in English — the language every tool and job description uses. The interface, summaries, objectives and glossary are in English.
- 6 courses
- and growing
- 3 languages
- AR · FR · EN interface
- Free
- every course, no card
- Works on 3G
- text-first, light pages
Explore by topic
- Networking How data really moves, frame to packet.
- Linux The shell, permissions, services and logs.
- Web security How web apps break, and how to fix them.
- Ethical hacking The methodology, the mindset, the law.
- Penetration testing A full authorised engagement, end to end.
- SOC & defence Triage, detection and incident response.
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All courses ›Linux for Security
EasyThe universal tool of the field: the shell, permissions, services and logs.
- 14 sections
- 2.5 h
- Basic English
View courseAvailable in EN · FR · AR
The methodology, the mindset and the law — before any tool.
- 12 sections
- 2.3 h
- Intermediate English
View courseAvailable in EN · FR · AR
Web Application Security
MediumHow web apps break, and how to design them so they do not.
- 14 sections
- 2.4 h
- Intermediate English
View courseAvailable in EN · FR · AR
How it works
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1
1. Read
Long-form technical writing with real commands and real output. No videos to buffer, no 2-hour lectures.
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2
2. Practise
Every hands-on section shows you how to build the lab on your own laptop. You keep it, and you learn to build environments.
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3
3. Prove it
Check your understanding after each section, and finish with a verifiable certificate of completion.
Start learning today
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