In 2006, he shared corporate documents showing how the National Security Agency was accessing internet data through a secret room in an AT&T office building.

Mark Klein, the former AT&T employee who helped expose the fact that the National Security Agency was spying on vast amounts of internet traffic in the U.S. during the mid-2000s, has died, according ...

The US carrier, in partnership with AST SpaceMobile, completed a video call without modifying the phone in any special way.

Verizon calls out a more competitive wireless industry — and that’s weighing on its shares, as well as those of its peers.

The announcement was made Thursday morning at the Enrique Moreno County Courthouse in Downtown El Paso. Carlos Martinez, the ...

AT&T reaffirms 2025 financial targets, plans to execute long-term strategic plan. Expects strong first quarter of 2025, ...

AT&T forecast first-quarter adjusted profit in line with analysts' estimates on Monday, signaling steady demand for its ...

AT&T is launching a new service called AT&T Phone Advanced, a modern take on the traditional phone line. The service is now available in Southern California. It’s a special box that ...

Given a few days to digest the news, however, investors seem to have concluded today that things aren't quite as bleak as ...

While there are some refined lines on the Galaxy S25 Ultra and One UI 7 is better than ever. You may want to wait to upgrade, unless you can get it on a killer AT&T deal.

US communications giant completes what it says is the highest speed across a single wavelength with 1.6 Tbps data transport ...

One group of stocks that has been punished during this current market downturn is telecoms. On Tuesday, they got little ...