PrivateFrameworks are always a joy. Today, for a personal project I discovered how to use private Login.framework to lock programmatically via code (Swift or C) the screen of my mac book. The method is called “SACLockScreenImmediate“. You can find a more detailed list of Private Headers on this fork: https://github.com/elpsk/macOS_headers/tree/master/macOS/PrivateFrameworks Swift code: Or if you Read More