OWASP ZAP vs Burp Suite in 2026: Which Web Security Tool Should Your Team Use?

1. Quick Comparison Table

2. Automated Scanning: Where the Gap Shows

Both tools scan for the OWASP Top 10. Both will find reflected XSS, SQL injection, directory traversal, and missing security headers. For the standard vulnerability classes, the detection rates are closer than most people expect.

Where Burp pulls ahead is in scan intelligence. Burp's scanner has better handling of:

• Authentication state — Burp's session handling rules and macros make it easier to maintain authenticated scans across complex login flows. ZAP can do this, but the configuration is more manual and more fragile.
• JavaScript-heavy applications — Burp's browser-powered crawl handles SPAs and client-side routing more reliably than ZAP's AJAX Spider, which can miss routes that require specific user interactions.
• Scan speed and tuning — Burp's scan configurations are more granular. You can target specific insertion points, skip specific checks, and tune the scan to your application's behaviour. ZAP's scan policies are configurable but less fine-grained.
• False positive rate — Burp's scanner generally produces fewer false positives, particularly for DOM-based XSS and blind injection variants. This matters when you're triaging hundreds of findings.

ZAP's scanner is not bad — it's genuinely capable and improving with every release. But if scanning accuracy is your primary concern and you're testing complex, authenticated web applications, Burp's scanner is the stronger tool.

3. Manual Testing and Interception

For manual testing — intercepting requests, modifying parameters, replaying requests — both tools are excellent. This is the core proxy workflow, and both have had over a decade to refine it.

Burp's advantages:

• Repeater is best-in-class for request manipulation. The interface is clean, tabbed, and fast.
• Comparer makes it easy to diff responses side-by-side — useful for identifying subtle differences in authentication bypass attempts.
• Collaborator provides out-of-band interaction detection (DNS, HTTP, SMTP) — essential for blind SSRF and blind XXE testing. ZAP has no built-in equivalent.

ZAP's advantages:

• HUD (Heads Up Display) overlays security information directly in the browser — useful for developers who want to see vulnerabilities in context without switching to a separate tool.
• Requester add-on provides similar functionality to Burp's Repeater, though the UX is less polished.
• Break points work well for intercepting and modifying specific requests based on conditions.

The Collaborator gap is significant. If you're doing serious manual penetration testing — especially for SSRF, blind injection, or out-of-band data exfiltration — Burp's Collaborator is a capability ZAP simply doesn't match without external tooling.

4. Extensibility and Ecosystem

Both tools support extensions, and both have active communities building them.

Burp's BApp Store has a larger selection of professionally maintained extensions. Popular BApps like Autorize (authorization testing), Logger++ (advanced logging), and Param Miner (hidden parameter discovery) are well-maintained and widely used. Many BApps are written by professional pentesters and security researchers.

ZAP's Marketplace is smaller but growing. The community-contributed add-ons cover most common use cases. ZAP's scripting engine is more flexible — you can write custom scan rules, authentication handlers, and HTTP senders in Python, JavaScript, or Zest (a graphical scripting language designed for security testing).

For teams that want to write custom tooling, ZAP's open-source nature is a significant advantage. You can fork it, modify the core, contribute upstream, and build internal extensions without licensing constraints. With Burp, you're limited to the extension API — which is capable, but you can't modify the core scanner or proxy behaviour.

5. CI/CD Integration

This is where ZAP has a clear structural advantage.

ZAP ships official Docker images, GitHub Actions, and a full CLI (zap.sh) that can run headless scans, generate reports, and fail builds based on alert thresholds. You can add ZAP to a CI/CD pipeline in an afternoon with zero licensing cost. The ZAP Automation Framework provides YAML-based scan configuration that's version-controllable and reproducible.

Burp Suite Pro has no native CI/CD integration. You can script it via the REST API or use community tools, but it's not designed for headless pipeline use. Burp Suite Enterprise ($3,999+/yr) adds CI/CD integration with Jenkins, GitHub Actions, and GitLab CI — but that's a separate product at a separate price point.

If your primary use case is "scan every PR automatically and block merges with high-severity findings," ZAP does this out of the box for free. Burp requires Enterprise licensing to match it.

6. Team Workflows and Collaboration

Neither tool excels at collaboration in its base form.

ZAP stores sessions locally. Sharing findings means exporting reports (HTML, XML, JSON, Markdown) and distributing them manually. There's no shared dashboard, no centralised findings database, and no built-in way for multiple testers to work on the same target simultaneously.

Burp Suite Pro has the same limitation — project files are local, and sharing requires manual export. Burp Enterprise solves this with a centralised web dashboard, shared scan results, and team-level reporting. But again — that's the $3,999+/yr tier.

For teams that need centralised vulnerability management, both tools typically feed into a separate platform — DefectDojo, Faraday, or a custom SIEM integration. ZAP's open formats (JSON, XML) make this integration straightforward.

7. When ZAP Is the Right Choice

• Budget is zero. ZAP is genuinely free — no feature gates, no user limits, no trial expirations. For startups, students, and teams without a security tool budget, this is the entire argument.
• CI/CD-first security. If your primary goal is automated scanning in pipelines, ZAP's Docker images and Automation Framework are purpose-built for this. No licensing complexity.
• Developer-facing security. ZAP's HUD and simpler interface make it more approachable for developers who aren't full-time security practitioners. It's a good "shift-left" tool.
• Custom tooling. If you need to modify scanner behaviour, write custom scan rules, or integrate deeply with internal systems, ZAP's open-source codebase gives you full control.
• API security testing. ZAP's OpenAPI import and API scan profiles work well for teams focused on REST API security. The automation framework makes it easy to script API-specific scan configurations.

8. When Burp Suite Is the Right Choice

• Professional penetration testing. If your team does manual pentesting as a primary activity, Burp's Repeater, Collaborator, and Intruder are best-in-class. The workflow is faster and more polished.
• Complex authenticated applications. Burp's session handling, macro recording, and authentication state management are more robust for applications with complex login flows, CSRF tokens, and multi-step authentication.
• Scan accuracy matters most. Burp's scanner produces fewer false positives and handles JavaScript-heavy applications more reliably. If you're triaging findings at scale, this saves real time.
• You need Collaborator. Out-of-band interaction detection is a capability gap that ZAP doesn't fill natively. For blind SSRF, blind XXE, and DNS-based data exfiltration testing, Collaborator is essential.
• Enterprise-scale scanning. Burp Enterprise provides centralised scanning, team dashboards, and CI/CD integration in a managed package. If you have the budget and need a turnkey solution, it's well-executed.

9. The Verdict

There's no universal winner. The right tool depends on your team's workflow, budget, and primary use case.

Use ZAP if you need a free, CI/CD-friendly scanner that developers can run without a license. It's the best open-source web security tool available, and for automated pipeline scanning, it's arguably better than Burp Pro (not Enterprise).

Use Burp Suite Pro if your team does manual penetration testing and needs the best possible manual testing workflow. At $449/yr per user, it's a reasonable investment for professional pentesters.

Use both if you can. Many security teams run ZAP in CI/CD pipelines for automated coverage and use Burp Pro for manual testing engagements. The tools complement each other well — ZAP catches the baseline, Burp goes deeper on manual investigation.

For a detailed breakdown of Burp Suite's pricing tiers and what a team actually spends, see our Burp Suite pricing analysis. For a broader look at automated security testing tools, check our automated penetration testing guide.

10. Recommended Resources

If you're setting up a web application security testing practice, these resources will help you get started with either tool:

• OWASP ZAP Getting Started Guide — official documentation for installation, configuration, and first scans
• Burp Suite Documentation — PortSwigger's official docs covering all editions
• PortSwigger Web Security Academy — free, hands-on web security training (works with both Burp and ZAP)
• How to Set Up a Security Testing Lab in 2026 — our guide to building a local testing environment
• Bug Bounty Starter Kit — essential tools and methodology for getting started with bug bounties