HACKR.GG
00 — Overview

Indirect Prompt Injection

When an AI reads external content — web pages, emails, documents — an attacker can hide instructions inside that content. The AI reads it and obeys. The user never sees the injection.

Intermediate·30 min·5 tasks
// By the end of this module
Understand how malicious content in external data can hijack AI actions
Exploit indirect prompt injection in RAG and tool-calling pipelines
Exfiltrate sensitive data via an LLM acting as an unwitting proxy
Identify indirect injection sinks in web content, emails, and documents