Microsoft Defender EASM vs Wallarm API Attack Surface Management: side-by-side comparison (2026)

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

Wallarm API Attack Surface Management: Agentless API attack surface discovery and vulnerability detection platform, built by Wallarm.

The table above shows where their features, integrations, deployment and company size fit differ.

Microsoft Defender EASM is made by Microsoft. Wallarm API Attack Surface Management is made by Wallarm. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Microsoft Defender EASM and Wallarm API Attack Surface Management are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.