---
id: 4013
title: "ripgen: Taking the Guesswork Out of Subdomain Discovery"
source_domain: bishopfox.com
source_url: "https://bishopfox.com/blog/ripgen-tool"
published_at: "2022-06-01T00:00:00Z"
tags: ["attack-surface", "reconnaissance", "security-tools", "cosmos", "subdomain-discovery", "ripgen"]
phying_url: "https://phying.com/item/4013"
lang: en
---

# ripgen: Taking the Guesswork Out of Subdomain Discovery

## Summary

Bishop Fox's Cosmos team introduces ripgen, a fast subdomain permutation discovery tool, explaining why subdomain discovery—including neglected staging environments—is key to attack surface mapping.

## Intelligence Metadata

- **Sources:** bishopfox.com
- **Published:** 2022-06-01T00:00:00Z
- **Original:** https://bishopfox.com/blog/ripgen-tool
- **Phying News:** https://phying.com/item/4013