SurfaceDiff vs Threat Surface - Attack Surface Management: Side-by-Side Comparison (2026)

SurfaceDiff: Continuous external attack surface monitoring that shows what changed between scans. built by SurfaceDiff. Core capabilities include Domain baseline scan for publicly exposed assets, Subdomain discovery, DNS record enumeration..

Threat Surface - Attack Surface Management: EASM platform for continuous discovery and risk assessment of external assets. Core capabilities include Continuous automated asset discovery, Shadow IT and forgotten subdomain detection, Unmanaged cloud resource identification..

Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.

SurfaceDiff differentiates with Domain baseline scan for publicly exposed assets, Subdomain discovery, DNS record enumeration. Threat Surface - Attack Surface Management differentiates with Continuous automated asset discovery, Shadow IT and forgotten subdomain detection, Unmanaged cloud resource identification.

SurfaceDiff and Threat Surface - Attack Surface Management serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Reconnaissance, Subdomain Enumeration, Security Scanning. Review the feature comparison above to determine which fits your requirements.