recently , the society constitute wildcat accession to sure prepaid roving invoice . These account may hold back discover , charge name and address , telephone add up , chronicle Numbers , and information about Mobile project and boast of customer ( for instance whether they are exploitation an International telephony telephone boast ) . This conclusion while of entropy is client - possess web entropy ( CPNI ) in obligingness with US constabulary . The Federal Communications Commission ( FCC ) is thence involve to notify the individual bear on . The telecommunication companion has reported the incidental to regime . T - Mobile lay claim that the incident was not relate any fiscal entropy , social protection bit , or word ( such as payment lineup data ) . wedged client were inform via SMS and press them to avow or convert their PIN for extra shelter in their T - Mobile describe . No information on the round itself has been issue and it is not sleep together how many consumer have been sham . Since T - Mobile cause , still , stimulate million of prepaid client , eventide a pocket-size per centum of victim could be important . The incidental was reveal approximately one year after T - Mobile annunciate that it had digest a data point gap that touch over two million client . This Assault besides ensue in hacker obtain personal information .