(Reuters) -T-Mobile US Inc. said on Friday that it was convinced there were no further risks to user data from an intrusion revealed earlier this month that affected more than 53 million current, former and prospective customers .
the third largest US wireless operator last week said that personal data of more than 40 million former and prospective customers were stolen along with data from 7.8 million existing customers. In the infringement, T-mobile revealed that 5.3 million additional wireless subscribers and 667,000 more accounts for previous customers were affected, giving a total of more than 53 million.
“We realize that many ask exactly what happened. While we are actively coordinating with law enforcement on a criminal investigation, we can not reveal too many details, says CEO Mike Sievert in a blog post on Friday.
The wireless operator in a notification also said that it had collaborated with experts at the cyber security company Mandiant and the consulting company KPMG after the hack.
John Binns, a 21