Most laptops with built-in cameras have an important privacy feature ”” a light that is supposed to turn on any time the camera is in use. But Wolf says she never saw the light on her laptop go on. As a result, she had no idea she was under surveillance.
That wasn’t supposed to be possible. While controlling a camera remotely has long been a source of concern to privacy advocates, conventional wisdom said there was at least no way to deactivate the warning light. New evidence indicates otherwise.