President Trump on Thursday confirmed a reported purge of national security agencies this week, with firings of at least a ...

The move comes soon after far-right activist Laura Loomer urged Trump to purge staffers she deemed insufficiently committed ...

The Pentagon's inspector general has unilaterally launched an investigation into Defense Secretary Pete Hegseth over Signalgate.

President Donald Trump said Thursday that he's fired "some" White House National Security Council officials, a move that ...

Another sticky spot is that government regulations require a record of communication. Signal—and other secure messaging ...

Secure messaging app Signal has been in the spotlight this week for national-security reasons, but companies can also learn lessons from the Trump administration’s misstep.

Scandal surrounding the Trump administration’s Signal group chat has led to a landmark week for the encrypted messaging app’s ...

Learn more about Signal, including whether the news about its use in a military intelligence breach impacts its effectiveness ...

The National Security Council later confirmed the authenticity of the messages, sparking widespread concerns about the use of ...

Melissa O'Leary, CSO at Fortalice Solutions, discussed cybersecurity concerns after security leaders inadvertently added a journalist to a Signal group chat.

The recent national security breach involving a Signal group chat has raised concerns regarding the messaging app’s security.