A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite ...

You probably use text message, Facebook Messenger, WhatsApp, or even Instagram to chat with others. And while those messaging ...

The developer of the Signal app, used by members of the Trump administration, explained Tuesday why its app is the "gold ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

Political fallout is mounting as some Republicans are breaking with the White House on the severity of the leak.

US government officials discussed war plans in a Signal chat, then blamed the leaks on the messaging app. But Signal and ...

Sources say the national security adviser and his team made at least 20 group chats on the commercial messaging app.

Timothy H. Edgar worked inside the intelligence community during the Bush and Obama administrations. He called the Signal ...

The encrypted messaging app Signal is receiving ... In a lengthy post to X, Signal addressed this issue by pushing back on the Pentagon’s use of the term “vulnerability.” ...

Regardless of app security, experts say communicating the military plans of the U.S. government in a non-classified space ...

As fallout from a Trump administration group chat about a military attack in Yemen continues to unfold, some Democrats are ...

Four sources tell Politico they were aware of at least 20 chat groups, all four confirmed sensitive information was discussed ...