WASHINGTON (Reuters) - U.S. National Security Advisor Mike Waltz received emails via his personal email account but has never used that account to send classified material, the White House said after ...

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 ...

Why Signal app is at the centre of US 'national security scandal' The Signal app is currently at the center of a significant US national security controversy. The issue arose when senior officials ...

After the outlet contacted Waltz on WhatsApp and Signal, both accounts appeared to go dark. Meanwhile, Wired found that a Venmo account apparently belonging to Waltz was open to the public until the ...

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.

It was an unfiltered glimpse into how American power now communicates, coordinates and sometimes confuses itself.

And Trump also waived off the issue when asked by reporters Thursday about ... The Wall Street Journal reported this week ...

US president defends key security official after journalist says he was added to group chat about air strikes.

As fallout from a Trump administration group chat about a military attack in Yemen continues to unfold, some Democrats are saying the inadvertent inclusion of a journalist in the chat goes beyond ...

The suit accuses Trump officials of violating federal record-keeping laws by using a chat app that can be set up to “automatically delete messages.” ...

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 ...