National security issues must be handled with utmost care ... told the senators that Biden administrations officials had used Signal for group communications before Trump took office and insisted ...

The nation’s top intelligence officials have told lawmakers that it was routine for them to discuss sensitive national security issues on the encrypted messaging app Signal. It’s widely used ...

WASHINGTON, April 2 (Reuters) - The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate ...

National security adviser Mike Waltz’s team regularly set up chats on Signal to coordinate official work on issues including Ukraine, China, Gaza, Middle East policy, Africa and Europe ...

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The ...

LUCAS: Well, there are a couple of issues here ... They, instead, were in a group chat set up by national security adviser Mike Waltz on the Signal messaging app, which is commercially available ...

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

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. After national ...

Legal experts on national security issues say Democrats may have a point ... administration national security officials took place on Signal, a private encrypted messaging app.

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, Fox News Digital confirmed.

WASHINGTON (AP) — White House national security adviser Mike Waltz is leaving the administration just weeks after it was revealed he added a journalist to a Signal chat being used to discuss military ...