In a paper called “i See You: Disabling the Mac Book Webcam Indicator LED,” Brocker and Checkoway describe how to reprogram the i Sight camera’s micro-controller to allow the camera and light to be activated independently.That allows the camera to be turned on while the light stays off.
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One laptop, many chips The built-in cameras on Apple computers were designed to prevent this, says Stephen Checkoway, a computer science professor at Johns Hopkins and a co-author of the study.
“Apple went to some amount of effort to make sure that the LED would turn on whenever the camera was taking images,” Checkoway says.
“People are starting to think about what happens when you can reprogram each of those,” Miller says.