# Intruder Web Application Scanning vs ZAP The Zed Attack Proxy: side-by-side comparison (2026) [Intruder Web Application Scanning](https://cybersectools.com/tools/intruder-web-application-scanning) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Intruder](https://cybersectools.com/companies/intruder). [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more. ## Side-by-side comparison | | Intruder Web Application Scanning | ZAP The Zed Attack Proxy | |---|---|---| | Pricing model | Commercial | Free | | Category | Dynamic Application Security Testing | Dynamic Application Security Testing | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 14,060 | | Last commit | – | Sep 2025 | | Company | Intruder | – | | Headquarters | – | – | ### Use cases and capabilities | | Intruder Web Application Scanning | ZAP The Zed Attack Proxy | |---|---|---| | DAST | Yes | – | | OWASP | Yes | – | | SQL Injection | Yes | – | | XSS | Yes | – | | WAF | Yes | – | | Web Security | – | Yes | | Proxy | – | Yes | | Open Source | – | Yes | ### Core features **Intruder Web Application Scanning** 10 features listed. Sign in on the page to see them. **ZAP The Zed Attack Proxy** No features listed. ### Integrations **Intruder Web Application Scanning** 4 integrations listed. Sign in on the page to see them. **ZAP The Zed Attack Proxy** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Intruder Web Application Scanning](https://cybersectools.com/tools/intruder-web-application-scanning) fits if you want a cloud product. - [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) fits if you need to run it on your own servers, you need a free product and you want an open-source product. ## Intruder Web Application Scanning vs ZAP The Zed Attack Proxy FAQ Common questions when comparing Intruder Web Application Scanning vs ZAP The Zed Attack Proxy for dynamic application security testing. ### What is the difference between Intruder Web Application Scanning and ZAP The Zed Attack Proxy? **Intruder Web Application Scanning**: DAST tool for scanning web apps and APIs for OWASP Top 10 vulnerabilities. Built by Intruder. **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. ### Who makes Intruder Web Application Scanning and ZAP The Zed Attack Proxy? **Intruder Web Application Scanning** is made by Intruder. **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. ### Is Intruder Web Application Scanning a good alternative to ZAP The Zed Attack Proxy? Often, yes. Intruder Web Application Scanning and ZAP The Zed Attack Proxy are both Dynamic Application Security Testing products. Key differences: Intruder Web Application 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. ## Related comparisons - [Intruder Web Application Scanning vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-intruder-web-application-scanning) - [Intruder Web Application Scanning vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/intruder-web-application-scanning-vs-vulnsign-dynamic-application-security-testing) - [Intruder Web Application Scanning vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-intruder-web-application-scanning) - [ZAP The Zed Attack Proxy vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-zap-the-zed-attack-proxy) - [ZAP The Zed Attack Proxy vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/vulnsign-dynamic-application-security-testing-vs-zap-the-zed-attack-proxy) - [ZAP The Zed Attack Proxy vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-zap-the-zed-attack-proxy) ## Alternatives to each - [See all Intruder Web Application Scanning alternatives](https://cybersectools.com/alternatives/intruder-web-application-scanning) - [See all ZAP The Zed Attack Proxy alternatives](https://cybersectools.com/alternatives/zap-the-zed-attack-proxy) --- Source: https://cybersectools.com/compare/intruder-web-application-scanning-vs-zap-the-zed-attack-proxy For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/intruder-web-application-scanning.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Intruder Web Application Scanning and ZAP The Zed Attack Proxy: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md