ZAP

ZAP finds security issues during application testing as an open source web scanner.

zaproxy.org
ZAP homepage screenshot

About ZAP

ZAP (Zed Attack Proxy) is a free web application scanner used to find security issues during application testing. The project is community based, and its homepage describes it as open source and open to contributions.

Key features

  • Scans web applications for security issues during testing
  • Quick Start Guide aimed at people new to security testing
  • Options for automating security testing via dedicated automation documentation
  • ZAP Marketplace offers community-contributed add-ons for extending the tool
  • Available to download from the project site
  • Beginner-friendly entry point with an intro video and guide
Best for: Developers and security testers who need a free tool for finding security issues while testing web applications.
Good for
  • Free to use
  • Community-based project that anyone can contribute to
  • Extensible through community add-ons in the ZAP Marketplace

ZAP at a glance

Type
Online tool
Pricing
Free
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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ZAP FAQ

Is ZAP free?
Yes. The homepage states that ZAP is free and open source.
Can ZAP be used for security automation?
The homepage says ZAP provides a range of options for security automation, with automation documentation available to get started.
Can ZAP be extended?
Yes. The ZAP Marketplace contains add-ons contributed by the community.
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