---
id: 8294
title: "GPU Cracking: Building the Box"
source_domain: netspi.com
source_url: "https://www.netspi.com/blog/technical-blog/network-pentesting/gpu-cracking-building-the-box/"
published_at: "2013-04-07T00:00:00Z"
tags: ["ntlm", "penetration-testing", "hardware", "gpu-cracking", "password-cracking", "oclhashcat"]
phying_url: "https://phying.com/item/8294"
lang: en
---

# GPU Cracking: Building the Box

## Summary

NetSPI built a GPU cracking rig with four Radeon HD 7950 cards running oclHashcat, hitting about 25 billion NTLM guesses per second, and shares hardware, cooling, and cabling lessons.

## Intelligence Metadata

- **Sources:** netspi.com
- **Published:** 2013-04-07T00:00:00Z
- **Original:** https://www.netspi.com/blog/technical-blog/network-pentesting/gpu-cracking-building-the-box/
- **Phying News:** https://phying.com/item/8294