amass

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In-depth attack surface mapping and asset discovery

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Repository: owasp-amass/amass


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README.md

![OWASP Logo OWASP Amass Project](https://owasp.org/www-project-amass/)

![OWASP Flagship](https://owasp.org/projects/#sec-flagships)
![GitHub Release](https://github.com/owasp-amass/amass/releases/latest)
![Go Report](https://goreportcard.com/report/github.com/owasp-amass/amass)
![CodeFactor](https://www.codefactor.io/repository/github/owasp-amass/amass)
![Follow on Twitter](https://twitter.com/owaspamass)
![Chat on Discord](https://discord.gg/ANTyEDUXt5)

The OWASP Amass Project performs network mapping of attack surfaces and external asset discovery using open source information gathering and active reconnaissance techniques.

Installation ![Go Version](https://golang.org/dl/) ![Docker Image](https://hub.docker.com/r/owaspamass/amass) ![GitHub Downloads](https://github.com/owasp-amass/amass/releases/latest)

You can find additional installation instructions and documentation in the Amass Docs repo.

Corporate Supporters

![WhoisXML API Logo](https://www.whoisxmlapi.com/)

Contributing ![Contribute Yes](./CONTRIBUTING.md) ![Chat on Discord](https://discord.gg/ANTyEDUXt5)

We are always happy to get new contributors on board! Please check CONTRIBUTING.md to learn how to
contribute to our codebase, and join our Discord Server to discuss current project goals.

Troubleshooting !GitHub Test Status ![codecov](https://codecov.io/gh/owasp-amass/amass) ![Chat on Discord](https://discord.gg/ANTyEDUXt5)

If you need help with installation and/or usage of the tool, please join our Discord server where community members can best help you.

:stop_sign: Please avoid opening GitHub issues for support requests or questions!

Licensing ![License](https://www.apache.org/licenses/LICENSE-2.0)

This program is free software: you can redistribute it and/or modify it under the terms of the Apache license. OWASP Amass and any contributions are Copyright © by Jeff Foley 2017-2026. Some subcomponents have separate licenses.

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