# Sudomy vs ThreatDefence Integrated ASM: side-by-side comparison (2026) [Sudomy](https://cybersectools.com/tools/sudomy) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [ThreatDefence](https://cybersectools.com/companies/threatdefence). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Sudomy | ThreatDefence Integrated ASM | |---|---|---| | Pricing model | Free | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | 2,241 | – | | Last commit | Feb 2024 | – | | Company | – | ThreatDefence | | Headquarters | – | – | ### Use cases and capabilities | | Sudomy | ThreatDefence Integrated ASM | |---|---|---| | Bug Bounty | Yes | – | | Security Research | Yes | – | | Subdomain Enumeration | Yes | Yes | | Dark Web Monitoring | – | Yes | | Vulnerability | – | Yes | | DNS Security | – | Yes | | SSL | – | Yes | | Digital Risk Protection | – | Yes | | Third Party Security | – | Yes | | IoT Security | – | Yes | | Misconfiguration | – | Yes | ### Core features **Sudomy** No features listed. **ThreatDefence Integrated ASM** 10 features listed. Sign in on the page to see them. ### Integrations **Sudomy** No integrations listed. **ThreatDefence Integrated ASM** 1 integration listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Sudomy](https://cybersectools.com/tools/sudomy) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product. - [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm) fits if you want a cloud product. ## Sudomy vs ThreatDefence Integrated ASM FAQ Common questions when comparing Sudomy vs ThreatDefence Integrated ASM for external attack surface management. ### What is the difference between Sudomy and ThreatDefence Integrated ASM? **Sudomy**: A subdomain enumeration tool for bug hunting and pentesting. **ThreatDefence Integrated ASM**: ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks, built by ThreatDefence. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Sudomy and ThreatDefence Integrated ASM? **Sudomy** is open-source with 2,241 GitHub stars. **ThreatDefence Integrated ASM** is made by ThreatDefence. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Sudomy a good alternative to ThreatDefence Integrated ASM? Often, yes. Sudomy and ThreatDefence Integrated ASM are both External Attack Surface Management products, and both cover Subdomain Enumeration. Key differences: Sudomy is Free while ThreatDefence Integrated ASM is Commercial, Sudomy is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Sudomy vs FalconTech Threat Hunter](https://cybersectools.com/compare/falcontech-threat-hunter-vs-sudomy) - [Sudomy vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-sudomy) - [Sudomy vs Guardz External Footprint](https://cybersectools.com/compare/guardz-external-footprint-vs-sudomy) - [ThreatDefence Integrated ASM vs FalconTech Threat Hunter](https://cybersectools.com/compare/falcontech-threat-hunter-vs-threatdefence-integrated-asm) - [ThreatDefence Integrated ASM vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-threatdefence-integrated-asm) - [ThreatDefence Integrated ASM vs Guardz External Footprint](https://cybersectools.com/compare/guardz-external-footprint-vs-threatdefence-integrated-asm) ## Alternatives to each - [See all Sudomy alternatives](https://cybersectools.com/alternatives/sudomy) - [See all ThreatDefence Integrated ASM alternatives](https://cybersectools.com/alternatives/threatdefence-integrated-asm) --- Source: https://cybersectools.com/compare/sudomy-vs-threatdefence-integrated-asm For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/sudomy.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Sudomy and ThreatDefence Integrated ASM: 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=compare-md