Even your mobile phone could be under computer surveillance! Advanced equipment to make this kind of computer surveillance possible is available to governments and even criminals with enough money. In some places ALL cellular phone conversations are recorded, just in case such a conversation might be of interest to national security or for solving a crime. As a matter of fact, electronic surveillance is so effective in the United States, and in many other countries, that of terrorist plots have been found out mostly through these means and not by traditional forms of infiltration