Today it is almost impossible to remember what life was like with no computer, no mobile phone, and no Internet for accessing information, performing tra- actions or exchanging emails and data. New technology is bringing wave after wave of new bene?ts to daily life: organisations are doing business with each other via the Internet; people are ?lling in tax declarations online and booking their next vacation through the Internet. In general we are all progressively - ing (and dependent on) software and services running on computers, connecting mobile phones and other devices, and exchanging...