The OS X App Sandbox

Discover how you can use App Sandbox to protect your app's users from unintentional bugs or deliberate attempts to compromise security. Understand sandboxing's security goals, how applications and their data are isolated from each other, and how to express the resources your application needs. Learn about new App Sandbox features in Mountain Lion and how to adopt them for your app to meet the Mac App Store Guidelines.

WWDC 2012 - Session 700 - macOS