Signal, the secure messaging app, warned that "government officials and journalists" had experienced their accounts being ...

Signal says its systems are secure but it is taking reports of targeted attempts to hack some officials "very seriously".

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

Russian hackers allegedly pose as "Signal support" and try to phish victims. The scheme has already compromised the messages of Dutch government employees.

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

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...