Cybersecurity-Handbook v2.0
A community-driven cybersecurity handbook with 400+ notes, labs, mind maps, and cheat sheets — covering everything from networking, Linux, and cryptography to offensive and defensive security. Built to help you understand how things work, not just memorize them.
📚 Cybersecurity Handbook
An open-source cybersecurity knowledge base for students, professionals, and self-learners — built as structured notes, hands-on labs, and real-world concepts you can search and navigate visually.
Built with Quartz • Powered by Markdown • Community Driven • MIT Licensed
Learn cybersecurity with clarity — from fundamentals to advanced concepts, in one searchable, open-source handbook.
| 📝 Notes | 🧪 Labs | 🔍 Search | ⚡ Performance | 👥 Community |
|---|---|---|---|---|
| 400+ and growing | Hands-on learning | Instant, full-text | Powered by Quartz | Open source |
📑 Table of Contents
Preview
Homepage · Interactive knowledge graph — every note links to related concepts
Reader mode · Dark mode (Catppuccin Mocha)
Fully responsive on mobile
Why I built this
I've spent a lot of nights doing exactly what you're probably doing right now — reading forums, watching tutorials, trying to piece together what actually matters in security.
Most of what I found fell into one of three buckets: too shallow (a list of tools with no explanation of why they work), too scattered (good content spread across a dozen blogs and paid courses), or priced like a $500 course was the only way in.
So I started writing my own notes — the kind that explain how things work, not just which commands to paste. Over time, those notes grew into this handbook.
I don't have all the answers, but I do think this stuff is learnable when it's explained clearly. If this saves you one late-night rabbit hole, it did its job.