Senate Democrats will get a chance to scrutinize President Trump’s former national security adviser over his mishandling of ...

President Trump nominated Waltz to be U.S. ambassador to the United Nations in May after he was ousted as national security ...

An individual using an artificially generated voice to impersonate Secretary of State Marco Rubio contacted three foreign ...

Hackers are actively targeting a messaging app used by federal agencies The app was also involved in the Signalgate scandal ...

The US security watchdog CISA has warned that malicious actors are actively exploiting two flaws in the Signal clone ...

CISA says two more vulnerabilities in the messaging application TeleMessage TM SGNL have been exploited in the wild.

Whittaker read, slack-jawed, about how President Trump’s then-national security advisor Mike Waltz had added the editor of the Atlantic magazine, apparently accidentally, to a Signal group chat ...