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
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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