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Test your defenses with Atomic Red Team™

Atomic Red Team is a library of tests that every security team can execute to simulate adversarial activity and validate their defenses. Tests are focused, have few dependencies, and are defined in a structured format that can be used by automation frameworks.


Atomic tests run in fewer than five minutes and require minimal setup, so your team can spend less time configuring and more time testing.


Validate your ability to observe and detect common adversary tactics, techniques, and procedures. Atomic Red Team is mapped to MITRE ATT&CK® and includes tests for Windows, macOS, Linux, and cloud systems.

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Atomic Red Team is an open source project that’s community maintained and developed. Join our Slack to ask questions, discuss, and share ideas about Atomic Red Team and the growing list of related tools and projects!

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