If you have doubts that someone else has used your computer or tried to access by logging in or you don’t trust your friend to whom you have given your password while sharing cubicle.
How to be aware of this cheat?
Introduction of a new website (made in Turkey), called MouseLock.co is now resolving your problem. You will receive an email from them in which they will alert you and the picture of the intruder will be shown by them to you as soon as he/she tries to access to your computer.