This is intended for advanced users only who thoroughly understand proper syntax and command line usage. This is a string of commands that will completely disable the built-in Mac camera, meaning no applications will be able to use the front-facing camera at all. Older versions of Mac OS X that wish to disable the iSight camera can follow these instructions instead to accomplish the same effect. You should aways backup a Mac before making any modifications to system software. This tutorial applies to modern versions of MacOS including Sierra and El Capitan, you will need turn off rootless temporarily so that you can make modifications to the system folder, if you’re not sure how to do that, you can learn how to disable SIP on Mac OS here. If you are not comfortable modifying system files using the command line with super user privileges, do not proceed. This approach disables the Mac built-in camera by changing system level permissions for system level files directly relating to the camera components. This is an advanced tutorial aimed at advanced users, it is not intended for novice or casual Mac users. By disabling the Macs camera, any application that requires it’s usage will no longer function as intended because camera access will become impossible. All modern Macs have this camera, it is located at the top of the display and embedded into the screen bezel. To be clear, this aims to completely disable the software components behind the built-in camera on Macs which prevents it from being used by any application, this webcam is sometimes called the FaceTime camera or the iSight camera, or simply the front-facing camera.

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