An encrypted messaging app used by the Trump administration temporarily suspended its operations Monday after suffering a ...

A hacker reportedly stole data, including the personal information of CBP officials, from TeleMessage, a messaging app Mike ...

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

National Security Advisor Mike Waltz and his deputy Alex Wong are resigning from the White House amid the "Signalgate" ...

National Security Advisor Mike Waltz is expected to be removed from the Trump administration. There's renewed interest on his wife, Julia Nesheiwat.