Sen. Ron Wyden said in a letter that one U.S. phone carrier turned over Senate data to law enforcement without notifying the ...

Sen. Ron Wyden (D-Ore.) said Wednesday that three major phone carriers failed to establish systems to notify offices about ...

Senator Ron Wyden scribed a letter accusing major phone carriers including AT&T, Verizon and T-Mobile of "failing" to address ...

In a letter to fellow senators, the Oregon Democrat alleged that carriers had failed to properly warn lawmakers about surveillance requests.

including AT&T, Sprint, T-Mobile and Verizon. The number of requests addressed by the study - the first time law enforcement's cell surveillance has been studied at a national level - surprised ...

Of those 301,816 requests, AT&T challenged 3,765 requests and provided ... containing content under the Foreign Intelligence Surveillance Act, affecting at least 35,000 user accounts, AT&T said.

Shareholders of AT&T and Verizon have demanded that the companies disclose NSA data requests, saying the firms’ participation in an NSA surveillance program has hurt its reputation with customers.

the cost of accommodating government surveillance requests increased. AT&T, for example, said it devotes roughly 100 employees to review each request and hand over data. Likewise, Verizon said its ...