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

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

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

AT&T said on Friday that hackers stole a cache ... a potential minefield of potential privacy and national security issues, for intelligence agents, police officers, stalking victims, journalists ...

Huawei Technologies Co Ltd's [HWT.UL] planned deal with U.S. carrier AT&T Inc to sell its smartphones in the United States has collapsed at the 11th hour because of security concerns, people with ...