However, not only businesses and government agencies should have information security systems, but also individual users in general should have a information security system and maintain the security of their computers. Privacy is an important element of an open information space such as the Internet. It is therefore very important to maintain the delicate balance between confidentiality and openness, ease of use and the possibility of loss of private information. To some extent this can be taken care of by the users themselves, through browser or social network settings.