Chapter 1

The Attacker's Mindset

Think like the attacker before you defend like one.

~14 min total2 lessonsAssignment

By the end of this chapter you'll be able to

  • Frame every endpoint as "what could go wrong?"
  • Map the OWASP Top 10 to real Grit endpoints

Chapter assignment

Threat-model your API

Write a 1-page threat model for your Grit API in notes.md: 5 assets, 5 actors (user, admin, attacker, bot, partner), and 10 threats (one per OWASP category). One paragraph each.

See success criteria

Lesson 1 takes ~6 min.

Start chapter

Spot a typo? Have an idea?

Help us improve this chapter. One click opens a GitHub issue with this chapter's URL pre-filled — suggest a clearer wording, report a bug, or request a new lesson. The course keeps improving thanks to learners like you.

Suggest an improvement on GitHub