Judicial authorities and law enforcement authorities have during the last years increasingly expressed concerns regarding the use of technical innovations, brought about by the continuous development of electronic telecommunications services, for the purpose of committing crimes, and the difficulties which this may cause regarding detection of and investigation into crimes. These concerns relate not only to communications by fixed phones, mobile phones, short message services (SMS), electronic media services (EMS) and multi media services (MMS).
Ces préoccupations ne portent pas seulement sur les communications par téléphone fixe ou portable, sur les services de messages courts (SMS), sur les services de médias électroniques (EMS) ou sur les services de messagerie multimédias (MMS).