Cylana EASM vs SurfaceDiff: Side-by-Side Comparison (2026)

Cylana EASM: AI-powered EASM platform for digital asset discovery and monitoring. built by Cylana. Core capabilities include Domain discovery and tracking, Subdomain discovery and tracking, AI-powered digital asset analysis..

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..

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

Cylana EASM differentiates with Domain discovery and tracking, Subdomain discovery and tracking, AI-powered digital asset analysis. SurfaceDiff differentiates with Domain baseline scan for publicly exposed assets, Subdomain discovery, DNS record enumeration.

Cylana EASM is developed by Cylana. SurfaceDiff is developed by SurfaceDiff. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

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