Quick Start
Add three layers of defense to your LLM application:
# 1. Input filtering — block injection patterns
# 2. Output validation — redact sensitive information
# 3. System prompt hardening — non-overridable rulesOverview
Prompt injection is the #1 security risk for LLM applications. This guide covers every attack vector and defense pattern: direct injection, indirect injection, data exfiltration, tool abuse, and multi-turn manipulation. Includes code examples and automated testing strategies. Best for developers building production LLM applications.
Source & Thanks
Based on OWASP LLM Top 10, Simon Willison's research, and production security practices.