Developer ID and Gatekeeper

Gatekeeper is a feature introduced in OS X Mountain Lion that helps protect users from downloading and installing malicious software. Signing your applications, plug-ins, and installer packages with a Developer ID certificate lets Gatekeeper verify that they are not known malware and have not been tampered with. Learn more about Gatekeeper




Apple Developer Program membership is required to access certain tools and resources for distributing Mac applications. Not a member? Learn more