User-Responsibility =================== There are some important sections from the point of view of the user, to ensure the security of (your) data Browser ------- To provide optimal security (i.a. encryption of your data traffic), you should always use the latest version of your browser. You can get more informations about browsers in the : doc:`accessiblity-section <../introduction/accessibility>` (public) WLAN/WiFi ------------------ Regardless of whether surfing with a smartphone or a laptop: Browsing in a public WLAN brings dangers, because you don't know what's going on with your data, and who is sniffing your traffic. Pay attention to the following points: + In general, **nothing** in a public WLAN is private (unless it's signed with a HTTPS/TSL certificate, that you (or your computer) trust) + Always user **https** in your Browser. Usually, t-Point is configured to use the secure HTTPS connection by default. + Watch out if a Certificate-Error occurs: theroretically the data traffic can be manipulated and/or redirected without any problems, this Error-Message could indicate a man in the middle attack. + VPN-Connections provide an encrypted data tunnel e.g. to your company. Use this Service, if your company provides such a connection to the internet! + Consider that also paid WLAN-Hotspots are not declared as more secure! You are surfing there mostly unencrypte too. + Get more informations about traffic in public networks on `this article on pcword.de`_. .. _this article on pcword.de: http://www.pcwelt.de/ratgeber/Hotspots-sicher-nutzen-So-surfen-Sie-sicher-in-oeffentlichen-Wlan-Netzen-351602.html