Tenable One Web App Scanning vs ZAP The Zed Attack Proxy: side-by-side comparison (2026)

Tenable One Web App Scanning: DAST solution for web apps and APIs with automated scanning capabilities. Built by Tenable.

ZAP The Zed Attack Proxy: ZAP is an open-source web application security scanner that helps identify vulnerabilities through automated scanning and manual testing capabilities.

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

Tenable One Web App Scanning is made by Tenable. ZAP The Zed Attack Proxy is open-source with 14,060 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Tenable One Web App Scanning and ZAP The Zed Attack Proxy are both Dynamic Application Security Testing products, and both cover Web Security. Key differences: Tenable One Web App Scanning is Commercial while ZAP The Zed Attack Proxy is Free, ZAP The Zed Attack Proxy is open-source. Use the table above to see where features, deployment and company size fit differ.