Each visit to the Internet discloses your identity to Web providers – often, without you noticing or wanting this. And also your Internet provider can exactly see which Web sites you visit and what kind of data you upload or download. When you use a WLAN (Wireless Local Area Network) or a hot spot to access the Internet wirelessly, for example at a train station, an airport, or in an Internet café, it won't be a problem for anyone to spy on you.
