Government watchdogs say it’s a slippery slope for the mayor to continue using the controversial encrypted messaging app.

Make the most of this encrypted messaging app.

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

As national security services warn that Russian hackers are currently engaged in new global attacks against WhatsApp and Signal users, here’s how to stay safe.

When WhatsApp changed its terms in 2021, I was one of the many users who looked for alternative messaging apps for Android. While I had heard about Signal before, the controversial move by WhatsApp ...

Former national security adviser Mike Waltz, testified before the Senate Foreign Relations Committee in his bid to become U.N. ambassador, stood by the use of Signal in a chat that discussed sensitive ...

WASHINGTON, D.C. – The Pentagon's internal watchdog has concluded a monthslong review of Secretary of Defense Pete Hegseth's improper use of the Signal app to discuss sensitive military operations.