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ONYPHE 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 responsible for external asset discovery and exposure monitoring should start with ONYPHE because it operates as a passive reconnaissance engine, finding exposed infrastructure without requiring agents or API integrations across your estate. The free tier lets you baseline your internet-facing attack surface immediately, which matters for teams under budget pressure or those running initial scans before committing to a paid EASM tool. Skip this if your priority is vulnerability assessment and remediation workflows; ONYPHE finds what's exposed but doesn't deeply score or manage patch prioritization across discovered assets the way purpose-built EASM platforms do.
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.
ONYPHE is a cyber defense search engine that discovers exposed assets and provides real-time monitoring to identify vulnerabilities and potential risks.
External attack surface management platform for asset discovery and monitoring
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Common questions about comparing ONYPHE vs Edgescan Attack Surface Management (ASM) for your external attack surface management needs.
ONYPHE: ONYPHE is a cyber defense search engine that discovers exposed assets and provides real-time monitoring to identify vulnerabilities and potential risks..
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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