Knowledge explorer
Topics
Enter by subject when you need depth. Use a path when you need order.
Paths →- 01
Digital foundations · Beginner
Computer foundations
Computers, files, folders and processes as the vocabulary needed before terminals and networks.
- Lessons
- 3
- Labs
- 1
- Visuals
- 0
- Documents
- 0
- Certifications
- 0
- 02
Digital foundations · Intermediate
Terminal and commands
Terminal, shell, command, current directory and the first safe filesystem observations.
- Lessons
- 2
- Labs
- 1
- Visuals
- 0
- Documents
- 0
- Certifications
- 0
- 03
Networking · Beginner
DNS
Name resolution, records, caching, commands and the trust boundaries around DNS.
- Lessons
- 4
- Labs
- 1
- Visuals
- 3
- Documents
- 3
- Certifications
- 3
- 04
Operating systems · Beginner
Linux shell
Shell vocabulary, paths, standard command patterns and safe observation in Linux.
- Lessons
- 0
- Labs
- 1
- Visuals
- 0
- Documents
- 0
- Certifications
- 2
- 05
Operating systems · Beginner
PowerShell
Cmdlets, objects, providers and observable administrative workflows.
- Lessons
- 0
- Labs
- 1
- Visuals
- 0
- Documents
- 0
- Certifications
- 2
- 06
AI and agent security · Advanced
AI & Agent Security
LLMs, retrieved context, agents, MCP and the security boundaries between them.
- Lessons
- 1
- Labs
- 0
- Visuals
- 0
- Documents
- 0
- Certifications
- 3
- 07
Networking · Beginner
Network foundations
Interfaces, addresses, packets, routes, transport ports and client/server roles.
- Lessons
- 3
- Labs
- 1
- Visuals
- 2
- Documents
- 1
- Certifications
- 3
- 08
Security architecture · Intermediate
Security and compliance foundations
Assets, threats, vulnerabilities, risk, controls, shared responsibility, defense in depth, Zero Trust and GRC.
- Lessons
- 1
- Labs
- 0
- Visuals
- 1
- Documents
- 1
- Certifications
- 3
- 09
Identity and access · Intermediate
Identity foundations
Identity, authentication, authorization, identity providers, directories and federation.
- Lessons
- 1
- Labs
- 0
- Visuals
- 1
- Documents
- 1
- Certifications
- 3