By Kate Conger Reporting from San Francisco Signal, a popular messaging app, came into the spotlight this week after reports that several senior Trump administration officials had used the tool to ...

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top Trump administration officials used the app to discuss airstrike plans ...

The encrypted messaging app Signal is receiving renewed attention after high-level members of President Donald Trump’s administration inadvertently added a journalist to a group chat discussing ...

Through a stroke of exceptional carelessness, President Trump’s top deputies got caught this week discussing sensitive military operations via the popular smartphone app Signal. The brewing ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its ...

Pete Hegseth defended himself amid controversy surrounding a Signal group in which he and other top Trump administration members discussed an attack on Yemen — and mistakenly added a journalist.

Messaging app Signal is in the news, and not for anything positive. Defense Secretary and former Fox News contributor Pete Hegseth recently demonstrated how not to use a secure communications ...

President Donald Trump appeared to place the blame for the Signal chat scandal on national security advisor Mike Waltz. The president was asked who was responsible for the scandal while signing an ...

WATCH: Top Trump officials accidentally included reporter in Yemen strike chat on commercial app Atlantic Editor-in-Chief Jeffrey Goldberg detailed a discussion that happened over the Signal ...

Scandal surrounding the Trump administration’s Signal group chat has led to a landmark week for the encrypted messaging app’s adoption—its “largest US growth moment by a massive margin.” ...

The encrypted messaging app Signal has been thrust into the news cycle thanks to accidental addition of the editor-in-chief of The Atlantic to an apparent war planning chat group filled with top ...