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

censys-enumeration: A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys..

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.

censys-enumeration 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. Key differences: censys-enumeration is Free while Threat Surface - Attack Surface Management is Commercial, censys-enumeration is open-source. Review the feature comparison above to determine which fits your requirements.