Data protection and information privacy are essential parts of lex informatica. The purpose of legal rules is to sustain a modern development and adjustment of the fundamental right to privacy, taking the realities of the information society into consideration. The aim is to protect the individual against misuse of personal information that may violate the private sphere and simultaneously to protect against surveillance with the purpose of governing behavior. Privacy protection is furthermore important, since personal information, which always has had economic value to a much larger degree, has become a commodity today. There are many reasons sustaining data protection, and legal regulation is very broad covering all parts of society. Merely a fragment of this issue is being considered in the following.