There was an article about this before - with a case where a hacker in California tried to blackmail students who he'd spied on having webcam-sex during a long

There was an article about this before - with a case where a hacker in California tried to blackmail students who he'd spied on having webcam-sex during a long term relationship. Since I read that, I've been keeping a piece of post-it note on my Macbook Air camera, although it does fall off occasionally (and I need to remove it, very rarely, to actually use the camera.) I've just upgraded it to a proper piece of card with real tape. ugly, but effective.