ArmorPoint Attack Surface Management vs Knock: Side-by-Side Comparison (2026)

ArmorPoint Attack Surface Management: Continuous, agentless discovery and threat-intel enrichment of external internet-facing. built by ArmorPoint..

Knock: A subdomain scan tool that helps you find subdomains of a given domain..

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

ArmorPoint Attack Surface Management is developed by ArmorPoint. Knock is open-source with 4,054 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

ArmorPoint Attack Surface Management and Knock serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Subdomain Enumeration. Key differences: ArmorPoint Attack Surface Management is Commercial while Knock is Free, Knock is open-source. Review the feature comparison above to determine which fits your requirements.