Судя по всему, at&t согласились заплатить хакеру 370000 за то, чтобы он удалил утекшие данные. Кажется, совсем не много.

www.wired.com/story/atandt-paid-hacker-300000-to-delete-stolen-call-records/

AT&T Paid a Hacker $370,000 to Delete Stolen Phone Records

A security researcher who assisted with the deal says he believes the only copy of the complete dataset of call and text records of “nearly all” AT&T customers has been wiped—but some risks may remain.