aws_public_ips vs Microsoft Defender EASM: side-by-side comparison (2026)

aws_public_ips: A Ruby-based tool that enumerates all public IPv4 and IPv6 addresses associated with an AWS account across multiple services including EC2, CloudFront, ELB, RDS, and others.

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

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

aws_public_ips is open-source with 642 GitHub stars. Microsoft Defender EASM is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. aws_public_ips and Microsoft Defender EASM are both External Attack Surface Management products. Key differences: aws_public_ips is Free while Microsoft Defender EASM is Commercial, aws_public_ips is open-source. Use the table above to see where features, deployment and company size fit differ.