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Head-to-head · Web Application Security Scanners

OWASP ZAP vs OpenText Fortify DAST

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score OWASP ZAP #4 in Web Application Security Scanners 9.1/10 Free plan Free plan✓ 0 of 5 features Visit OWASP ZAP
OpenText Fortify DAST #5 in Web Application Security Scanners 9.0/10 Pricing on request ✓ 0 of 5 features Visit OpenText

OWASP ZAP leads on 0 checks, OpenText Fortify DAST on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOWASP ZAP · 9.1/10
  • Free planonly OWASP ZAP

OWASP ZAP scores higher on our rubric for web application security scanners: 9.1 against 9.0 out of 10; our editors rank them #4 and #5.

OWASP ZAP is the better fit for teams wanting a free, extensible scanner. OpenText Fortify DAST is the better fit for large enterprises with compliance requirements.

  • OWASP ZAP fits best

    Teams wanting a free, extensible scanner

  • OpenText Fortify DAST fits best

    Large enterprises with compliance requirements

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Side by side

Feature OWASP ZAP 9.1/10 Visit ↗ OpenText Fortify DAST 9.0/10 Visit ↗
At a glance
Editor score 9.1 9.0
Ranking #4 in Web Application Security Scanners #5 in Web Application Security Scanners
Best for Teams wanting a free, extensible scanner Large enterprises with compliance requirements
Pricing model Free Paid
Starting price Free plan Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Self-hosted, Desktop, Browser extension Cloud, Self-hosted
Platforms Windows, macOS, Linux Web, Linux
Support Community, Docs Email, Phone, Tickets, Community, Docs
Integrations 2 integrations 2 integrations
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features OWASP ZAP 0/5 · OpenText Fortify DAST 0/5
Authenticated scans Not checked yet Not checked yet
JavaScript crawling Not checked yet Not checked yet
Scheduled scans Not checked yet Not checked yet
Compliance reports Not checked yet Not checked yet
API scanning Not checked yet Not checked yet
Specs
Deployment Not checked yet Not checked yet
Target limit Not checked yet Not checked yet
Our review
Pros
  • Active and passive scanning with traditional and browser-based spiders
  • Imports OpenAPI, GraphQL, Postman, and SOAP definitions
  • Supports Docker, GitHub Actions, YAML automation, and add-ons
  • Scans authenticated applications, including MFA-enabled workflows
  • Supports REST, SOAP, GraphQL, gRPC, OpenAPI, and Postman APIs
  • Automates CI/CD testing with pipelines, CLI, containers, and REST APIs
Cons
  • Self-hosted deployment requires local or team-managed infrastructure
  • Free open-source operation may require more internal security expertise
  • Enterprise workflow depth is narrower than its scanning and automation scope
  • Pricing requires contact with sales
  • Its broad feature set may exceed narrow scanning needs
  • Hybrid deployment can require more planning than a single SaaS tool
Our verdict

OWASP ZAP is a free, open-source web application security scanner and penetration-testing proxy for developers, testers, and security professionals. It supports interactive work through a desktop application as well as automated scanning…

Read the review →

OpenText Fortify DAST is an automated dynamic application security testing solution for DevSecOps teams securing running web applications, APIs, and services. It simulates attacks against live environments without requiring source code or…

Read the review →
  1. OWASP ZAPWeb Application Security Scanners 9.1Free plan
  2. OpenText Fortify DASTWeb Application Security Scanners 9.0Pricing on request

Strengths and trade-offs

  • OWASP ZAP — where it wins

    • Active and passive scanning with traditional and browser-based spiders
    • Imports OpenAPI, GraphQL, Postman, and SOAP definitions
    • Supports Docker, GitHub Actions, YAML automation, and add-ons

    Where it doesn't

    • Self-hosted deployment requires local or team-managed infrastructure
    • Free open-source operation may require more internal security expertise
    • Enterprise workflow depth is narrower than its scanning and automation scope

  • OpenText Fortify DAST — where it wins

    • Scans authenticated applications, including MFA-enabled workflows
    • Supports REST, SOAP, GraphQL, gRPC, OpenAPI, and Postman APIs
    • Automates CI/CD testing with pipelines, CLI, containers, and REST APIs

    Where it doesn't

    • Pricing requires contact with sales
    • Its broad feature set may exceed narrow scanning needs
    • Hybrid deployment can require more planning than a single SaaS tool

More comparisons

All web application security scanners comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update