DDactic Attack Surface Discovery is a commercial external attack surface management solution by DDactic. Subra is a free external attack surface management solution. Features, integrations, deployment and the company behind each one, side by side.
Scans domains to discover attack surface, vulnerabilities, and generate hardening
A simple web-based interface for subdomain enumeration using the subfinder tool.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
DDactic Attack Surface Discovery fits if you are a mid-market company or an enterprise.
Subra fits if you need a free product and you want an open-source product.
Common questions when comparing DDactic Attack Surface Discovery vs Subra for external attack surface management.
DDactic Attack Surface Discovery: Scans domains to discover attack surface, vulnerabilities, and generate hardening, built by DDactic.
Subra: A simple web-based interface for subdomain enumeration using the subfinder tool.
The table above shows where their features, integrations, deployment and company size fit differ.
DDactic Attack Surface Discovery is made by DDactic founded in 2026-01-01T00:00:00.000Z. Subra is open-source with 54 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. DDactic Attack Surface Discovery and Subra are both External Attack Surface Management products, and both cover Subdomain Enumeration. Key differences: DDactic Attack Surface Discovery is Commercial while Subra is Free, Subra is open-source. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best Attack Surface Management Solutions for Business picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.See the shortlist
