Your laptop Camera could spy on you without lighting up the warning light.

If you own a MacBook or any other laptop, you should cover up it's webcam, because there’s a possibility someone could be watching you.
Most of the webcam have a tiny light lets you know that the webcam is active, but it's possible for malware to disable this important privacy feature.
Two Students from Johns Hopkins University  Matthew Brocker and Stephen Checkoway created a proof of concept app called “iSeeYou” that confirmed that MacBook iSight webcams can spy on their users without the warning light being activated.
A young man recently pleaded guilty in court to extortion after he performed a remote hack on Miss Teen USA’s webcam to secretly collect nude photos. It was revealed through court papers that the FBI has the ability to do the same thing with a variety of current laptops including Apple products.
Your laptop camera could Spy on You without lighting up
the warning light and The software used to remotely control it is a Remote Administration Tool (RAT),which is used by IT departments and educational institutions to administer large numbers of computers. This type of hack doesn't require the hacker to have physical possession of the laptop nor does it require administrator privileges.
Are you sure that your laptop’s camera is not turned on.?
So the next time you sit in front of your laptop do think on it.