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aquatone is a free external attack surface management tool. Edgescan Attack Surface Management (ASM) is a commercial external attack surface management tool by Edgescan. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Security teams running bug bounty programs or conducting external reconnaissance will extract the most value from Aquatone for initial subdomain enumeration and screenshot-based triage. Its free cost and 5,845 GitHub stars reflect real adoption among pentesters and security researchers who need fast visual reconnaissance before deeper scanning. Skip this if you're looking for vulnerability scanning or continuous asset monitoring; Aquatone is a starting point tool, not a detection platform.
Edgescan Attack Surface Management (ASM)
Mid-market and enterprise security teams buried under sprawling cloud infrastructure will get real value from Edgescan Attack Surface Management because it actually finds the assets you've forgotten you own, not just rescans what's already in your inventory. The platform maps DNS records, subdomains, and APIs continuously without requiring agents or network access, covering ID.AM and ID.RA in NIST CSF 2.0 where most ASM tools go shallow. Skip this if your priority is remediation workflow automation or integration with existing ticketing systems; Edgescan excels at discovery and exposure alerting, not orchestration of the fix.
External attack surface management platform for asset discovery and monitoring
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Common questions about comparing aquatone vs Edgescan Attack Surface Management (ASM) for your external attack surface management needs.
aquatone: A tool for domain flyovers..
Edgescan Attack Surface Management (ASM): External attack surface management platform for asset discovery and monitoring. built by Edgescan. headquartered in Ireland. Core capabilities include Internet-facing asset discovery and inventory, Continuous attack surface monitoring, DNS and internet record mapping..
Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.
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