---
id: 700
title: "Your guide to common prompt defenses"
source_domain: bugcrowd.com
source_url: "https://www.bugcrowd.com/blog/your-guide-to-common-prompt-defenses/"
published_at: "2024-11-14 16:00"
tags: ["ai-security", "prompt-injection", "llm", "prompt-defense", "input-sanitization", "adversarial-inputs"]
phying_url: "https://phying.com/item/700"
lang: en
---

# Your guide to common prompt defenses

## Summary

This guide reviews common LLM prompt defenses—input preprocessing, sanitization, blocklists, and allowlists—and explains why non-deterministic model behavior lets attackers bypass them.

## Intelligence Metadata

- **Sources:** bugcrowd.com
- **Published:** 2024-11-14 16:00
- **Original:** https://www.bugcrowd.com/blog/your-guide-to-common-prompt-defenses/
- **Phying News:** https://phying.com/item/700