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

Essential Documentation, Videos, and Resources

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Getting Your Developer ID

Mac Developer Program members can get their Developer ID now. If you’re not already a member, join today.

Signing Your Mac Applications

Sign your application with a Developer ID certificate, which can be generated with the latest of version Xcode or in the Certificates, Identifiers & Profiles section of Member Center.

Requesting a Certificate for Your Kext

If you need to sign a Kernel extension with a Developer ID certificate, let us know.

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