Cyber Exposure Manager vs Microsoft Defender EASM: Side-by-Side Comparison (2026)

Cyber Exposure Manager: Cyber Exposure Manager: continuous visibility and remediation for external risk. built by Galileo Security. Core capabilities include External Attack Surface Management (EASM), Continuous Threat Exposure Management (CTEM), Exposure Scoring & Posture Trends..

Microsoft Defender EASM: Discovers and monitors external-facing assets and vulnerabilities. built by Microsoft. 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.

Cyber Exposure Manager differentiates with External Attack Surface Management (EASM), Continuous Threat Exposure Management (CTEM), Exposure Scoring & Posture Trends. Microsoft Defender EASM differentiates with Real-time inventory monitoring of external-facing resources, Discovery of unmanaged resources and shadow IT, Multi-cloud and hybrid environment visibility.

Cyber Exposure Manager is developed by Galileo Security founded in 2025-01-01T00:00:00.000Z. Microsoft Defender EASM is developed by Microsoft. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Cyber Exposure Manager integrates with SIEM, SOAR, EMAIL. Microsoft Defender EASM integrates with Microsoft Defender for Cloud, Microsoft Security Copilot, Microsoft Security Exposure Management, Copilot in Azure. Check integration compatibility with your existing security stack before deciding.

Cyber Exposure Manager and Microsoft Defender EASM serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools. Review the feature comparison above to determine which fits your requirements.