Cardassian Communication Service
The Cardassian Communication Service, also known as the Cardassian Information Service, was a Cardassian agency that controlled and operated major communication systems in the Cardassian Union. 

Natima Lang worked as a correspondent for the service while she was living on Terok Nor in 2363. At the time, Lang was romantically involved with Quark, who used Lang's computer access code to steal funds from the service. ()

External link

es:Servicio de Comunicaciones Cardassiano
nl:Cardassian communicatiedienst
Communication Service