# Sudomy

Sudomy is an External Attack Surface Management product. It runs on-premises. Pricing is free.

A subdomain enumeration tool for bug hunting and pentesting

Checked October 2026.

## What is Sudomy?

Sudomy is a subdomain enumeration tool to collect subdomains and analyzing domains performing automated reconnaissance (recon) for bug hunting / pentesting.

It helps in identifying potential vulnerabilities and weaknesses in a domain's infrastructure.

Sudomy is a powerful tool for security researchers, bug hunters, and penetration testers to identify potential entry points for exploitation.

Tags: Bug Bounty, Security Research, Subdomain Enumeration

## Where it fits in your security program (NIST CSF 2.0)

- [Identify](https://cybersectools.com/guides/building-identify-program-small-team): helps you know your assets and your risks.

## Quick facts

- Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · [External Attack Surface Management](https://cybersectools.com/categories/external-asm)
- Deployment: On-Premises
- Company size fit: Startup, SMB, Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 2,241
- Website: github.com

## Where it ranks

Sudomy is not a pick on the current [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions).

## Sudomy FAQ

### What is Sudomy?

Sudomy is a product in the External Attack Surface Management category. It covers Bug Bounty, Security Research and Subdomain Enumeration.

### What is the pricing for Sudomy?

Sudomy is free. Download and setup instructions are at https://github.com/Screetsec/Sudomy/.

### What are alternatives to Sudomy?

Alternatives to Sudomy listed on CybersecTools:

1. [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) - Fast Certificate Transparency search and JSON API for subdomain reconnaissance. (Commercial)
2. [Searchlight Exposure](https://cybersectools.com/tools/assetnote-attack-surface-management-tool) - ASM platform that scans external attack surfaces hourly for vulnerabilities (Commercial)
3. [Ceeyu Digital Footprint Monitoring](https://cybersectools.com/tools/ceeyu-digital-footprint-monitoring) - Automated digital asset discovery and monitoring for external attack surface (Commercial)
4. [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm) - ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks. (Commercial)
5. [Sn1per Professional 2026](https://cybersectools.com/tools/sn1per-professional-2026) - Sn1per Professional 2026: automated penetration testing & attack surface management (Commercial)

Compare all Sudomy alternatives at [https://cybersectools.com/alternatives/sudomy](https://cybersectools.com/alternatives/sudomy)

### What deployment and organization size does Sudomy fit?

Sudomy is available as on-premises software. It is listed for startups, small businesses, mid-market companies and enterprises. It is free.

## Compare Sudomy with similar solutions

- [Sudomy vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-sudomy)
- [Sudomy vs Searchlight Exposure](https://cybersectools.com/compare/assetnote-attack-surface-management-tool-vs-sudomy)
- [Sudomy vs Ceeyu Digital Footprint Monitoring](https://cybersectools.com/compare/ceeyu-digital-footprint-monitoring-vs-sudomy)

All alternatives to Sudomy: [/alternatives/sudomy](https://cybersectools.com/alternatives/sudomy)

---

Source: https://cybersectools.com/tools/sudomy

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on Sudomy: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md