Cybersecurity · Foundations

Security foundations

Threat modelling lite, CIA triads, attacker flows, resilience vocabulary.

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Lesson outline

  1. 13
    Design with Defense in Depth Layers

    Learn how to design with defense in depth layers in this hands-on security foundations tutorial. Understand the core concept, apply it step by step, and master layered security for resilient systems.

  2. 14
    Security foundations — Part 007

    Placeholder slot — edit in console (security-foundations-stub-007).

  3. 15
    Recognize Trust Boundaries

    Learn to spot trust boundaries in systems to strengthen your security mindset. This lesson covers the core concept, hands-on practice, and common pitfalls. Ideal for developers building security-aware skills step by step.

  4. 16
    Security foundations — Part 008

    Placeholder slot — edit in console (security-foundations-stub-008).

  5. 17
    Apply Secure Defaults

    Apply secure defaults in your code — Security foundations. Learn the core concept, hands-on steps, troubleshooting, and what to study next.

  6. 18
    Security foundations — Part 009

    Placeholder slot — edit in console (security-foundations-stub-009).

  7. 19
    Evaluate Risk with Simple Scoring

    Learn to evaluate risk with simple scoring methods in security foundations. This tutorial covers practical scoring techniques for prioritizing threats, hands-on exercises, and common pitfalls. Ideal for developers building security intuition.

  8. 20
    Security foundations — Part 010

    Placeholder slot — edit in console (security-foundations-stub-010).

  9. 21
    Build a Simple Threat Model

    Learn to build a simple threat model for an app. Identify assets, trust boundaries, and attack paths in a step-by-step walkthrough, then test your skills with a practical exercise. Ideal for developers who want to think like an attacker and harden their apps.

  10. 22
    Security foundations — Part 011

    Placeholder slot — edit in console (security-foundations-stub-011).

  11. 23
    Map Exploit Paths with Attack Trees

    Use attack trees to map exploit paths — a practical security foundations tutorial. Step-by-step guidance, hands-on examples, and troubleshooting for developers.

  12. 24
    Security foundations — Part 012

    Placeholder slot — edit in console (security-foundations-stub-012).

    Security foundations — step-by-step tutorials

    What you will find here

    This track walks through security foundations in order — each lesson is server-rendered HTML you can read without JavaScript. Follow the outline, then practice in the browser IDE when a lesson links to runnable code.

    Tutorials vs quizzes and code samples

    Tutorials teach in sequence. For quick checks use quizzes. For copy-paste snippets see code samples. For deeper reading browse articles.