The claim spread after The Atlantic reported that Trump officials accidentally added the publication's editor-in-chief to a ...

The encrypted messaging app Signal is getting some unexpected attention this week. High-ranking officials in the Trump ...

Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

National Security Advisor Michael Waltz and a senior aide used personal Gmail accounts for government communications, ...

Senior members of the Trump administration’s National Security Council — including its top national security adviser, Michael ...

Reports of 20 Signal chats and Waltz’s Gmail mark at least four major security liabilities uncovered since Signalgate.

The Atlantic's editor-in-chief was mistakenly added to a government Signal group chat discussing war plans. Meme-makers could ...

Is the Signal messaging app really less secure than government systems? NBC News’ Kevin Collier explains Signal’s strengths ...

Just seven days after the Signal chat scandal erupted, the White House announced that it doesn’t want to talk about it ...

Central Intelligence Agency (CIA) director John Ratcliffe said Tuesday that the use of Signal among government officials is ...

Oscar-winner Mikey Madison appeared during the cold open of the latest episode “Saturday Night Live,” which put a spin on the ...

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...