---
id: 3904
title: "Broken Hill: A Productionized Greedy Coordinate Gradient Attack Tool for Use Against Large Language Models"
source_domain: bishopfox.com
source_url: "https://bishopfox.com/blog/brokenhill-attack-tool-largelanguagemodels-llm"
published_at: "2024-09-24 00:00"
tags: ["ai-security", "jailbreak", "llm-security", "adversarial-machine-learning", "gcg", "broken-hill"]
phying_url: "https://phying.com/item/3904"
lang: en
---

# Broken Hill: A Productionized Greedy Coordinate Gradient Attack Tool for Use Against Large Language Models

## Summary

Bishop Fox explains the GCG attack behind adversarial LLM prompts and introduces Broken Hill, which generates jailbreak strings for popular models — runnable locally on GPUs like an RTX 4090.

## Intelligence Metadata

- **Sources:** bishopfox.com
- **Published:** 2024-09-24 00:00
- **Original:** https://bishopfox.com/blog/brokenhill-attack-tool-largelanguagemodels-llm
- **Phying News:** https://phying.com/item/3904