Conceptual Tutorials

High-Level Security & Sysadmin Theory

Learn the Concepts (Not the Exploits)

These tutorials teach high-level security and sysadmin principles through conceptual explanations, metaphors, and The Operator's sardonic commentary.

You'll learn why things matter, not how to break them.

What You Won't Find Here:

  • • Step-by-step exploit instructions
  • • Operational command examples
  • • Anything that could be used maliciously

What You Will Find:

  • • Conceptual frameworks
  • • Design principles
  • • Philosophy and theory
  • • Entertaining explanations

All Tutorials

Beginner-friendly8 min

Why Backups Matter: A Cautionary Tale

The Operator's thoughts on backup strategy, disaster recovery philosophy, and the 3-2-1 rule explained through datacenter parables.

Read Tutorial
Conceptual7 min
COMING SOON

Defense in Depth: The Onion Model (And Why It Makes You Cry)

Security isn't a wall. It's layers. Like an onion, or an ogre, or that organizational chart nobody understands.

Check back soon
Conceptual6 min
COMING SOON

The Philosophy of Least Privilege

Why giving users only what they need isn't just security — it's self-preservation.

Check back soon
Conceptual7 min
COMING SOON

Network Segmentation for Humans

Dividing networks isn't just good practice. It's blast radius management. Learn the metaphors that matter.

Check back soon
Intermediate10 min
COMING SOON

Incident Response Theatre

The theory behind handling security incidents: detection, containment, eradication, recovery. No specifics, all concepts.

Check back soon
Conceptual5 min
COMING SOON

The Principle of Least Surprise

Why predictable systems are secure systems, and how to design with failure in mind.

Check back soon

⚠️ All tutorials focus on theory and concepts only. For hands-on security training, visit OWASP, SANS, HackTheBox, and TryHackMe.