AT&T received between 2,000 and 2,999 national security...

AT&T received between 2,000 and 2,999 national security letters during 2013, affecting between 4,000 and 4,999 customer accounts, said the company’s first national security request transparency report (http://soc.att.com/1j8il6O). The company also received between zero and 999 content requests under the Foreign Intelligence Surveillance Act, affecting between 35,000 and 35,999 customer accounts, said the report. The company released its total criminal and civil litigation demand statistics, which revealed 248,343 subpoenas, mostly criminal, 36,788 court orders, and 16,685 search warrants. AT&T challenged or rejected 3,756 of the total 301,816 requests, the report said.