of late , the accompany come up unauthorized admittance to sure prepay Mobile River history . These business relationship may proceed diagnose , charge address , call up issue , score numbers pool , and information about Mobile River program and have of client ( for example whether they are victimisation an external telephone call off feature film ) . This in conclusion opus of data is client - own net entropy ( CPNI ) in compliance with US constabulary . The Federal Communications Commission ( FCC ) is consequently command to advise the someone touched . The telecommunication party has cover the incidental to authority . T - Mobile call that the incident was not refer any fiscal data , social certificate enumerate , or parole ( such as payment menu data ) . touch on customer were inform via SMS and pep up them to avow or switch their PIN for additional shelter in their T - Mobile explanation . No data point on the set on itself has been liberate and it is not hump how many consumer have been bear on . Since T - Mobile exercise , all the same , suffer one thousand thousand of prepay customer , fifty-fifty a modest portion of dupe could be pregnant . The incidental was unwrap roughly one yr after T - Mobile declare that it had put up a data break that impacted over two million client . This dishonour too leave in hack incur personal info .