Even Facebook founder Mark Zuckerberg sticks a tape over his laptop camera to prevent people from using malware to observe his every move. To minimise the chances of such third-party intrusions, cover your device’s camera with a sticker, or disable the camera and microphone function on your device.
For more information about the disable function on a Mac, watch:
and for a Windows product:
To disable your internal microphone on a Mac, see:
and for a Windows device watch: