An organization has being tapping illicitly in all the Automatic Telephone Stations for 7 years now. A number of firms and persons have been bugged. The data shows that the tapping was of organized nature. Clients were firms and individual persons as well. They also ordered checkups whether they themselves were not legally tapped by IM services, the press office of the IM said for the BTA yesterday. The only name quoted in the release is the one of the National Security Service. It revealed the case early this year. Counterintelligence agents found out tapping devices in a phone station in Sofia.