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RADICL Managed Attack Surface is a commercial external attack surface management tool by RADICL. Microsoft Defender EASM is a commercial external attack surface management tool by Microsoft. 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, integrations, company size fit, here is our conclusion:
Mid-market and enterprise security teams drowning in vulnerability backlogs need RADICL Managed Attack Surface because it actually closes vulnerabilities instead of just finding them; the virtual SOC team handles remediation coordination and independent verification, turning discovery into evidence you can audit. The risk-prioritized escalation with predefined runbooks and SLA tracking means critical findings move through your change windows without the usual coordination tax between security and IT. Not the right fit if you need vulnerability scanning as a standalone feed to plug into existing SIEM workflows; RADICL assumes you want to delegate the entire remediation workflow, which is either your biggest pain point or not really a problem you have.
Mid-market and enterprise security teams managing multiple cloud environments will get the most from Microsoft Defender EASM because it actually finds unmanaged assets and shadow IT that your teams don't know exist, then feeds that inventory directly into your existing Microsoft security stack. Its integration with Microsoft Defender for Cloud and Security Copilot means you're not bolting on another disconnected tool; discovery flows straight into your asset management and risk prioritization workflows. Skip this if your organization runs primarily on non-Microsoft infrastructure or lacks the Defender for Cloud footprint to make the integration pay off.
Managed attack surface platform for vulnerability detection and remediation
Discovers and monitors external-facing assets and vulnerabilities
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Common questions about comparing RADICL Managed Attack Surface vs Microsoft Defender EASM for your external attack surface management needs.
RADICL Managed Attack Surface: Managed attack surface platform for vulnerability detection and remediation. built by RADICL. headquartered in United States. Core capabilities include Real-time vulnerability discovery across endpoints and servers, Risk-prioritized vulnerability remediation, Critical vulnerability escalation with predefined runbooks and SLAs..
Microsoft Defender EASM: Discovers and monitors external-facing assets and vulnerabilities. built by Microsoft. headquartered in United States. Core capabilities include Real-time inventory monitoring of external-facing resources, Discovery of unmanaged resources and shadow IT, Multi-cloud and hybrid environment visibility..
Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.
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