Doc: FBI leaders have warned that they believe the hackers who broke into AT&T’s system last year stole months of their agents’ call and text logs (Bloomberg)

Bloomberg:
Doc: FBI leaders have warned that they believe the hackers who broke into AT&T’s system last year stole months of their agents’ call and text logs  —  – Bureau warned breach could expose informants, document shows  — Hackers stole six months of customer text, call logs from AT&T