Phase 7: Safety Gate · ~90 min · Python

Capstone 83 — Prompt Injection Detector

A detector is a function from prompt to confidence and category. Anything else is a vibe.

Hiring signal: Can build capstone 83 end to end

Introduction

Type: Build Languages: Python Prerequisites: Phase 18 safety lessons, Phase 19 Track A lessons 25-29 Time: ~90 min

Objective

Learning objectives

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You've read the first 2 sections. The rest of this lesson covers The Problem, The Concept, Build, Check Yourself, Key Terms & Next — plus a hands-on lab, quiz, and project artifact.

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Key terms in this lesson

Prompt Injection

Related lessons

Capstone 82 — Jailbreak Taxonomy
Capstone 84 — Refusal Evaluation
Capstone 85 — Content Classifier Integration
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