IT protection is significant in the modern world. Today we use computer not just for professional matters, but also for fun, a large number of us use it all day. Computers, mobile phones, Smartwaches all of these amazing inventions are connected with the Internet and highly sophisticated , besides they have a large number of data. Privacy in the Global Web is very significant, however it is also very valuable in the different meaning. The knowledge about our preferences is very significant for giant organisations who want to know what we have to or like to purchase.