as3nt vs Detectify Surface Monitoring: 2026 Comparison
as3nt is a free external attack surface management tool. Detectify Surface Monitoring is a commercial external attack surface management tool by Detectify. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Security teams running lean reconnaissance workflows will get the most from as3nt; it's a fast, no-friction subdomain enumerator that doesn't require API keys or cloud dependencies, making it ideal for quick discovery during initial scoping or red team engagements. The 12 GitHub stars underscore it's a specialized tool favored by practitioners who've already standardized on heavier EASM platforms and need a lightweight complement. Skip as3nt if you're looking for continuous monitoring, DNS record analysis, or integration with your ticketing system; this is pure enumeration, nothing more.
Mid-market and enterprise security teams that struggle to track internet-facing assets across multiple cloud providers will get the most from Detectify Surface Monitoring. Its automatic subdomain discovery and payload-based testing catch misconfigurations that passive scanning misses, and it maps directly to NIST ID.AM and DE.CM, the two functions most security teams underinvest in. Skip this if your org needs deep application scanning or prioritizes known-vulnerability remediation over asset visibility; Detectify assumes you've already cataloged what's out there and want continuous monitoring of what's exposed.
