Your active security intelligence journey starts here.

Prelude Build

Free open source platform for authoring security tests.

Verified Security Tests


Free and Open Source

For red/purple/blue security teams.


design, customize, and compile Verified Security Tests


validate security test effectiveness


safely execute security tests wherever code runs: servers, workstations, cloud infrastructure, and more

Prelude Detect

The platform for continuous security testing.

Defences to Protect You


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For security leaders and executives.

Test everywhere

execute Verified Security Tests on every kind of host, at any scale

Test continuously

confirm your defensive controls are working even as the world changes around you

Know immediately

empower your team with timely intelligence about emerging threats

“We finally found a technology that will effectively measure the maturity of our controls and give CISOs the confidence they need to answer the most common question from the board, “Are we protected?””

– Fortune 20 CISO