Bluetooth is a wireless standard that allows data to be transferred between devices over short distances without the need for a cable connection. An example is the connection between the mobile device and the computer. Security measures are essential with this form of connection: Attackers can use an open Bluetooth connection to extract private user...

A blackout is a prolonged, widespread loss of power, internet and utilities. This means: Neither light nor heating and electric stove, mobile network are working. Traffic lights and gas stations are down, public transport and elevators are at a standstill. The water can no longer flow because the pumps no longer have electricity, so the...