Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

Government watchdogs say it’s a slippery slope for the mayor to continue using the controversial encrypted messaging app.

The Nevada DMV has conceded that its enforcement officers used the Signal messaging service in communications with a federal ...

The Nevada DMV communicated with ICE over Signal for its work on a federal task force that it says does not relate to ...

Messaging apps like WhatsApp and Telegram must now bind user access to the physical SIM card in their primary device, a rule ...