This article describes how to turn off the led light on Windows, which is surprisingly easy: http://blog.erratasec.com/2013/12/how-to-disable-webcam-light-on-w

This article describes how to turn off the led light on Windows, which is surprisingly easy: http://blog.erratasec.com/2013/12/how-to-disable-webcam-light-on-windows.html http://blog.erratasec.com/2013/12/how-to-disable-webcam-ligh... TLDR: Webcams follow the UVC standard and, according to this standard, the LED indicator light is controlled by the host software. So a simple hack is to find the webcam driver DLL, find the function that controls the LED (such as TurnOnOffLED()), make it return immediately, done.