A community-maintained, structured knowledge base. Six tracks, one tree, from how a network works to how an attacker thinks.
The six tracks
Start wherever you are today. Each track runs deep and links back into the same tree.
Where every security career begins.
Think like an attacker, break things on purpose.
Detect, respond and make attacks expensive.
Turn security into decisions and policy.
Connect the signals before they become incidents.
Grow from curious beginner to trusted expert.
Navigation
Every page sits in one tree. The sidebar re-roots as you go down, so you always see where a topic lives and what comes next.
Take the tourFor AI assistants
A public MCP server. Claude, ChatGPT or Cursor can search the library, read any page as markdown and browse the structure. No key, no account.
The Cyber family
Every topic links to the rest of the family when there is something to do with it.
Every page is on GitHub. Fix a detail, add an example, or write a whole section.